13 Best Data Center Servers in 2026
AIThis post was created with the assistance of artificial intelligence (AI).

When selecting the best data center servers, the key considerations are performance, scalability, and reliability. The top pick in this roundup is the Dell PowerEdge R740 for its powerful processing and storage options, making it ideal for demanding enterprise workloads. The ASUS Dual AMD EPYC 4X NVMe Server stands out for its impressive CPU cores and high-speed storage, suited for specialized tasks. However, buyers face tradeoffs between raw power and cost efficiency, as high-end models often come with significant price tags. Continue reading for a detailed breakdown of each option and find the perfect fit for your data center needs.

FOR BUSINESS

Open a free Amazon Business account

Business pricing, bulk buying and tax-exempt orders.

Create a free account

As an affiliate, we earn on qualifying purchases.

13
compared
2
brands
256GB
max ram
Which data center server should you buy?
★ Top Pick
Dell PowerEdge R640 10B 4-NVMe
Best Overall for High-Performance Enterprise Workloads
Exceptional 44-core processor for heavy workloads
See on Amazon →
Mid-sized data centers needing reliable, multi-core performance on a budget.
Dell PowerEdge R640 10B SFF Se
High-performance 40-core processor for intensive computing
View on Amazon →
Organizations needing scalable storage and remote management for enterprise applications.
Dell PowerEdge R640 8-Bay 2.5′
Flexible 8-bay storage for scalable data management
View on Amazon →
Cloud hosting, virtualization, and compute-intensive workloads demanding large memory and fast storage.
Dell PowerEdge R640 Server 2.1
High scalability with 256GB RAM for demanding virtual environments
View on Amazon →
Organizations with legacy applications needing proven stability and compatibility in existing data center setups.
Dell PowerEdge R720 Server wit
Reliable dual Xeon processors for enterprise-grade stability
View on Amazon →
RAM — compared
Dell PowerEdge R640 10B 4-NVMe128GB
Dell PowerEdge R640 10B SFF Se64GB
Dell PowerEdge R640 Server 2.1256GB
Dell PowerEdge R720 Server wit192GB
Dell PowerEdge R640 Server 3.5192GB
Dell PowerEdge R620 Server128GB DDR3
Dell PowerEdge R640 NVMe Serve64GB
Dell PowerEdge R640 Server 2X 256GB
Pros & cons at a glance
Dell PowerEdge R640 10B 4-NVMe
✓ Exceptional 44-core processor for heavy workloads
✗ Renewed condition could impact warranty and longevity
Dell PowerEdge R640 10B SFF Se
✓ High-performance 40-core processor for intensive computing
✗ Limited storage capacity with only 600GB HDDs
Dell PowerEdge R640 8-Bay 2.5′
✓ Flexible 8-bay storage for scalable data management
✗ No optical drive included, limiting media options
Dell PowerEdge R640 Server 2.1
✓ High scalability with 256GB RAM for demanding virtual environments
✗ Larger physical size may require more rack space
Dell PowerEdge R720 Server wit
✓ Reliable dual Xeon processors for enterprise-grade stability
✗ Bulkier and less energy-efficient than newer models
Dell PowerEdge R640 Server 3.5
✓ High-performance 16-core processor for demanding workloads
✗ Renewed product may have limited warranty coverage
Dell PowerEdge R640 Server wit
✓ Dual Xeon Gold processors for high processing throughput
✗ Limited 90-day hardware replacement warranty
Dell PowerEdge R620 Server
✓ Dual Xeon E5-2660 processors with 16 cores total
✗ Bulkier size may require more space
Dell PowerEdge R740 2U Rack Se
✓ Dual Xeon Gold 6148 processors for heavy workloads
✗ Requires installation and ongoing maintenance expertise
Dell PowerEdge R640 NVMe Serve
✓ High-performance 16-core processor for speed
✗ Limited storage capacity details provided
Dell PowerEdge R640 Server 2X
✓ High-performance dual 40-core Intel processors suitable for intensive workloads
✗ Renewed product may have limited warranty coverage
Dell PowerEdge R640 10x SFF Ra
✓ Dual Xeon Gold 6130 processors deliver solid multi-threaded performance
✗ Heavy and large, requiring significant rack space
ASUS Dual AMD EPYC 4X NVMe 1U
✓ Dual AMD EPYC 7742 processors with 128 cores total for maximum compute density
✗ Renewed product may have limited warranty support

Key Takeaways

  • High core counts and fast NVMe storage are common threads among top-performing servers.
  • Balanced configurations often provide better value than extreme specs for most enterprise uses.
  • Renewed and refurbished options can deliver substantial savings but may have limited warranties or support.
  • Choosing the right form factor (rack vs. blade) depends heavily on your existing infrastructure and space constraints.
  • Top models tend to emphasize scalability and redundancy features, crucial for mission-critical environments.
2
Dell PowerEdge R640 10B SFF Se
Best for Cost-Effective Demanding Workloads
1
Dell PowerEdge R640 10B 4-NVMe
Best Overall for High-Performance Enterprise Workloads
3
Dell PowerEdge R640 8-Bay 2.5′
Best for Flexible Storage Expansion and Enterprise Management

Our Top Best Data Center Servers Picks

Dell PowerEdge R640 10B 4-NVMe Server 2.10GHz 44-Core 128GB RAM 6.4TB SSDs Rails (Renewed)Dell PowerEdge R640 10B 4-NVMe Server 2.10GHz 44-Core 128GB RAM 6.4TB SSDs Rails (Renewed)Best Overall for High-Performance Enterprise WorkloadsProcessor: 2.10GHz, 44 coresRAM: 128GBStorage: 6.4TB SSDVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 10B SFF Server 2.00GHz 40-Core 64GB RAM + 600GB HDDs Rails (Renewed)Dell PowerEdge R640 10B SFF Server 2.00GHz 40-Core 64GB RAM + 600GB HDDs Rails (Renewed)Best for Cost-Effective Demanding WorkloadsProcessor: 2.00GHz, 40 coresRAM: 64GBStorage: 600GB HDDsVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 8-Bay 2.5” SAS/SATA 1U Rack Server with 16-Core 2.10GHz, 64GB RAM, 8 Caddies, Rails (Renewed)Dell PowerEdge R640 8-Bay 2.5'' SAS/SATA 1U Rack Server with 16-Core 2.10GHz, 64GB RAM, 8 Caddies, Rails (Renewed)Best for Flexible Storage Expansion and Enterprise ManagementProcessors: 2x 2.10GHz, 16 cores eachMemory: 64GB DDR4Hard Drives: 8x 2.5” SAS/SATAVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 Server 2.10GHz 32-Core 256GB RAM 7.7TB SSD (Renewed)Dell PowerEdge R640 Server 2.10GHz 32-Core 256GB RAM 7.7TB SSD (Renewed)Best for High Scalability and VirtualizationProcessor: 2.10GHz, 32 coresRAM: 256GBStorage: 7.7TB SSDVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R720 Server with 2x E5-2690 2.90GHz, 16-Core, 192GB RAM, H710 (Renewed)Dell PowerEdge R720 Server with 2x E5-2690 2.90GHz, 16-Core, 192GB RAM, H710 (Renewed)Best for Legacy Compatibility and Enterprise StabilityProcessors: 2x E5-2690, 2.90GHzCores: 16RAM: 192GBVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 Server 3.50GHz 16-Core 192GB RAM 9.6TB Windows Server Rails (Renewed)Dell PowerEdge R640 Server 3.50GHz 16-Core 192GB RAM 9.6TB Windows Server Rails (Renewed)Best Overall for Enterprise Data Center DeploymentsProcessor: 3.50GHz 16-CoreRAM: 192GBStorage: 9.6TBVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 Server with Dual Intel Xeon Gold 6126, 128GB RAM, and 4x 1.2TB SAS HDDsDell PowerEdge R640 Server with Dual Intel Xeon Gold 6126, 128GB RAM, and 4x 1.2TB SAS HDDsBest for Demanding Multi-User WorkloadsProcessor: 2x Intel Xeon Gold 6126 2.6GHz 12-coreMemory: 128GB DDR4Hard Drives: 4x 1.2TB SAS 10KVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R620 Server, 2.20GHz, 16-Core, 128GB RAM, 4x 600GB SAS, RenewedDell PowerEdge R620 Server, 2.20GHz, 16-Core, 128GB RAM, 4x 600GB SAS, RenewedBest for Mid-Level Enterprise ApplicationsProcessor: 2x Intel Xeon E5-2660 8-Core 2.20GHzRAM: 128GB DDR3Storage: 4x 600GB SASVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R740 2U Rack Server, Dual Xeon Gold 6148, 512GB DDR4, 15.36TB SSD, RAID, Dual Power, iDRAC, Rail Kit (Renewed)Dell PowerEdge R740 2U Rack Server, Dual Xeon Gold 6148, 512GB DDR4, 15.36TB SSD, RAID, Dual Power, iDRAC, Rail Kit (Renewed)Best for High-Performance Virtualization and Data-Intensive TasksProcessor: Dual Xeon Gold 6148 2.4GHzMemory: 512GB DDR4Storage: 15.36TB SSDVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 NVMe Server 2.10GHz 16-Core 64GB RAMDell PowerEdge R640 NVMe Server 2.10GHz 16-Core 64GB RAMBest for NVMe-Optimized Enterprise StorageProcessor: 2.10GHz 16-coreRAM: 64GBCaddies: 10VIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 Server 2X Gold 6148 2.40GHz 40-Core 256GB RAM + 8 Caddies (Renewed)Dell PowerEdge R640 Server 2X Gold 6148 2.40GHz 40-Core 256GB RAM + 8 Caddies (Renewed)Best Overall for Enterprise PerformanceProcessor: 2X Gold 6148 2.40GHzCores: 40-CoreRAM: 256GBVIEW LATEST PRICESee Our Full Breakdown
Dell PowerEdge R640 10x SFF Rack Server with Dual Xeon Gold 6130, 256GB RAM, 2x 600GB HDD, 10GbEDell PowerEdge R640 10x SFF Rack Server with Dual Xeon Gold 6130, 256GB RAM, 2x 600GB HDD, 10GbEBest for Data-Intensive Applications and NetworkingProcessor: 2x Xeon Gold 6130 2.1GHz 16-CoreMemory: 256GB DDR4Hard Drives: 2x 600GB 10K SAS HDDVIEW LATEST PRICESee Our Full Breakdown
ASUS Dual AMD EPYC 4X NVMe 1U Server, 2x EPYC 7742 2.25GHz 64-Core CPUs, 64GB DDR4 RAM, 2x 1.92TB SSD, 10GbE, 1600W, Rails, RS700A-E11-RS4UASUS Dual AMD EPYC 4X NVMe 1U Server, 2x EPYC 7742 2.25GHz 64-Core CPUs, 64GB DDR4 RAM, 2x 1.92TB SSD, 10GbE, 1600W, Rails, RS700A-E11-RS4UBest for High-Performance Enterprise ComputingProcessor: 2x AMD EPYC 7742 2.25GHz 64-CoreMemory: 64GB DDR4Storage: 2x 1.92TB NVMe SSDVIEW LATEST PRICESee Our Full Breakdown
Specs at a glance
data center serverProcessorRAMStorageCondition
Dell PowerEdge R640 10B 4-NVMe2.10GHz, 44 cores128GB6.4TB SSDRenewed
Dell PowerEdge R640 10B SFF Se2.00GHz, 40 cores64GB600GB HDDsRenewed
Dell PowerEdge R640 8-Bay 2.5′Renewed
Dell PowerEdge R640 Server 2.12.10GHz, 32 cores256GB7.7TB SSDRenewed
Dell PowerEdge R720 Server wit192GBRenewed
Dell PowerEdge R640 Server 3.53.50GHz 16-Core192GB9.6TBRenewed
Dell PowerEdge R640 Server wit2x Intel Xeon Gold 6126 2.6GHz 12-core
Dell PowerEdge R620 Server2x Intel Xeon E5-2660 8-Core 2.20GHz128GB DDR34x 600GB SAS
Dell PowerEdge R740 2U Rack SeDual Xeon Gold 6148 2.4GHz15.36TB SSD
Dell PowerEdge R640 NVMe Serve2.10GHz 16-core64GBRenewed
Dell PowerEdge R640 Server 2X 2X Gold 6148 2.40GHz256GB
Dell PowerEdge R640 10x SFF Ra2x Xeon Gold 6130 2.1GHz 16-Core
ASUS Dual AMD EPYC 4X NVMe 1U 2x AMD EPYC 7742 2.25GHz 64-Core2x 1.92TB NVMe SSD

More Details on Our Top Picks

  1. Dell PowerEdge R640 10B 4-NVMe Server 2.10GHz 44-Core 128GB RAM 6.4TB SSDs Rails (Renewed)

    Dell PowerEdge R640 10B 4-NVMe Server 2.10GHz 44-Core 128GB RAM 6.4TB SSDs Rails (Renewed)

    Best Overall for High-Performance Enterprise Workloads

    View Latest Price

    This renewed Dell PowerEdge R640 stands out for its powerful 44-core processor and expansive 128GB RAM, making it ideal for demanding data center applications. Compared with the R640 10B SFF, it offers significantly higher CPU core count and memory capacity, enabling better multitasking and intensive computations. Its main tradeoff lies in being a renewed product, which might limit warranty coverage, and potentially higher power draw due to its high specs. The inclusion of rails and power cords simplifies deployment in enterprise settings, making it a versatile choice for high-throughput environments.

    Pros:
    • Exceptional 44-core processor for heavy workloads
    • Large 128GB RAM supports extensive multitasking
    • Includes rails and power cords for quick setup
    Cons:
    • Renewed condition could impact warranty and longevity
    • Higher power consumption compared to less demanding servers

    Best for: Data centers requiring top-tier processing power and large memory pools for virtualization or analytics.

    Not ideal for: Small offices or environments with limited power budgets, due to its high energy consumption and cost.

    • Processor:2.10GHz, 44 cores
    • RAM:128GB
    • Storage:6.4TB SSD
    • Model:PowerEdge R640
    • Condition:Renewed
    Our verdict
    “This server is a strong choice for large-scale enterprise environments needing maximum processing and memory capacity.”
  2. Dell PowerEdge R640 10B SFF Server 2.00GHz 40-Core 64GB RAM + 600GB HDDs Rails (Renewed)

    Dell PowerEdge R640 10B SFF Server 2.00GHz 40-Core 64GB RAM + 600GB HDDs Rails (Renewed)

    Best for Cost-Effective Demanding Workloads

    View Latest Price

    This renewed Dell PowerEdge R640 with 40 cores and 64GB RAM offers a balanced approach for demanding enterprise tasks at a lower initial cost compared to higher-end models like the R640 10B 4-NVMe. While its storage capacity is limited to 600GB HDDs, it compensates with essential enterprise features like rails and reliable power supplies. Compared to the R640 8-Bay with SAS/SATA drives, it provides a compact, SFF form factor suited for environments with space constraints, although it lacks the extensive storage flexibility of larger configurations. Its focus on core performance makes it suitable for applications not requiring massive storage but high CPU throughput.

    Pros:
    • High-performance 40-core processor for intensive computing
    • Includes essential components like rails and power cords
    • Compact SFF form factor saves space
    Cons:
    • Limited storage capacity with only 600GB HDDs
    • Potentially higher cost for renewed hardware without extensive warranty

    Best for: Mid-sized data centers needing reliable, multi-core performance on a budget.

    Not ideal for: Storage-heavy environments or those requiring extensive SSD performance, as it is limited to HDDs and 64GB RAM.

    • Processor:2.00GHz, 40 cores
    • RAM:64GB
    • Storage:600GB HDDs
    • Form Factor:SFF
    • Condition:Renewed
    Our verdict
    “This server offers a good balance of performance and affordability for enterprises needing reliable cores without excessive storage demands.”
  3. Dell PowerEdge R640 8-Bay 2.5” SAS/SATA 1U Rack Server with 16-Core 2.10GHz, 64GB RAM, 8 Caddies, Rails (Renewed)

    Dell PowerEdge R640 8-Bay 2.5'' SAS/SATA 1U Rack Server with 16-Core 2.10GHz, 64GB RAM, 8 Caddies, Rails (Renewed)

    Best for Flexible Storage Expansion and Enterprise Management

    View Latest Price

    This renewed Dell PowerEdge R640 emphasizes storage flexibility with eight 2.5-inch SAS/SATA bays and dual 16-core Xeon Silver processors, making it well-suited for environments requiring scalable storage and remote management. Unlike the high-core-count models like the R640 10B, this unit balances moderate CPU power with ample drive space, ideal for transactional or database workloads. Its redundant power supplies and remote management (iDRAC9) support high availability in critical data center setups. However, the absence of an optical drive and the need for technical setup can be drawbacks for less experienced users.

    Pros:
    • Flexible 8-bay storage for scalable data management
    • Redundant power supplies enhance reliability
    • Remote management with iDRAC9 simplifies administration
    Cons:
    • No optical drive included, limiting media options
    • Setup requires technical expertise and configuration

    Best for: Organizations needing scalable storage and remote management for enterprise applications.

    Not ideal for: Environments demanding maximum CPU cores or high memory capacity without extensive storage needs.

    • Processors:2x 2.10GHz, 16 cores each
    • Memory:64GB DDR4
    • Hard Drives:8x 2.5” SAS/SATA
    • Power Supplies:2x 495W Platinum
    • Remote Management:iDRAC9 Express
    • Condition:Renewed
    Our verdict
    “This server suits enterprises seeking expandable storage with robust remote management, provided they can handle its setup complexity.”
  4. Dell PowerEdge R640 Server 2.10GHz 32-Core 256GB RAM 7.7TB SSD (Renewed)

    Dell PowerEdge R640 Server 2.10GHz 32-Core 256GB RAM 7.7TB SSD (Renewed)

    Best for High Scalability and Virtualization

    View Latest Price

    This renewed Dell PowerEdge R640 with 32 cores and 256GB RAM is tailored for virtualization, high-performance computing, and dense storage needs. Its substantial 7.7TB SSD offers fast data access, outperforming HDD-based servers like the R640 10B SFF in speed. Unlike the R640 10B 4-NVMe, which emphasizes raw CPU power, this model prioritizes high memory and storage throughput, making it ideal for cloud or VDI environments. The tradeoff involves a larger physical footprint and the need for additional storage expansion, as drives are not included. Its remote management features support seamless enterprise operation.

    Pros:
    • High scalability with 256GB RAM for demanding virtual environments
    • Fast SSD storage enhances data access speeds
    • Includes remote management capabilities
    Cons:
    • Larger physical size may require more rack space
    • No included drives or expansion options, needing additional investments

    Best for: Cloud hosting, virtualization, and compute-intensive workloads demanding large memory and fast storage.

    Not ideal for: Basic data processing or environments where storage expansion is not planned, due to its focus on high density.

    • Processor:2.10GHz, 32 cores
    • RAM:256GB
    • Storage:7.7TB SSD
    • Model:PowerEdge R640
    • Condition:Renewed
    Our verdict
    “This server is an excellent choice for enterprises prioritizing virtualization and fast storage, assuming additional drives are purchased separately.”
  5. Dell PowerEdge R720 Server with 2x E5-2690 2.90GHz, 16-Core, 192GB RAM, H710 (Renewed)

    Dell PowerEdge R720 Server with 2x E5-2690 2.90GHz, 16-Core, 192GB RAM, H710 (Renewed)

    Best for Legacy Compatibility and Enterprise Stability

    View Latest Price

    The Dell PowerEdge R720, featuring dual E5-2690 processors and 192GB RAM, remains a reliable choice for legacy systems and applications that require proven enterprise hardware. Its older architecture means it may underperform compared to newer R640 models with higher core counts or faster CPUs, but it excels in stability and compatibility with existing infrastructure. The larger size and weight can be a concern for space-constrained data centers, and as a renewed unit, its warranty might be limited. Its storage and expansion options are modest but adequate for many traditional workloads.

    Pros:
    • Reliable dual Xeon processors for enterprise-grade stability
    • Large 192GB RAM supports heavy multitasking
    • Proven and well-supported hardware platform
    Cons:
    • Bulkier and less energy-efficient than newer models
    • Limited performance for modern high-density workloads

    Best for: Organizations with legacy applications needing proven stability and compatibility in existing data center setups.

    Not ideal for: New deployments or high-density virtual environments that demand cutting-edge CPU and memory performance.

    • Processors:2x E5-2690, 2.90GHz
    • Cores:16
    • RAM:192GB
    • Model:PowerEdge R720
    • Condition:Renewed
    Our verdict
    “This server is best suited for legacy systems where proven stability outweighs raw performance, but it may lag in future-proofing.”
  6. Dell PowerEdge R640 Server 3.50GHz 16-Core 192GB RAM 9.6TB Windows Server Rails (Renewed)

    Dell PowerEdge R640 Server 3.50GHz 16-Core 192GB RAM 9.6TB Windows Server Rails (Renewed)

    Best Overall for Enterprise Data Center Deployments

    View Latest Price
    The Dell PowerEdge R640 stands out for its combination of raw power and flexibility, making it ideal for demanding enterprise data centers. With a 3.50GHz 16-core processor and 192GB of RAM, it can handle intensive multitasking and large datasets efficiently. Compared to the PowerEdge R620, it offers more memory and a higher-performance CPU, but this comes with potentially higher power consumption and a higher initial investment. Its renewed status provides a cost-effective entry into high-performance enterprise computing but may entail limited warranty coverage. This server’s ability to be customized ensures it adapts well to evolving data workloads, though buyers should consider its energy use and warranty limits.
    Pros:
    • High-performance 16-core processor for demanding workloads
    • Large 192GB RAM for extensive multitasking
    • Includes power cords and parts for quick deployment
    • Custom configuration options for tailored setups
    Cons:
    • Renewed product may have limited warranty coverage
    • Potentially higher power consumption due to high specs
    • No specific pricing details available

    Best for: Large enterprises requiring reliable, scalable servers for complex data processing and virtualization.

    Not ideal for: Small startups or offices with limited space or budget constraints, due to its size and higher power needs.

    • Processor:3.50GHz 16-Core
    • RAM:192GB
    • Storage:9.6TB
    • Model:PowerEdge R640
    • Condition:Renewed
    Our verdict
    “This server suits large organizations needing robust, flexible enterprise infrastructure with a focus on performance and expandability.”
  7. Dell PowerEdge R640 Server with Dual Intel Xeon Gold 6126, 128GB RAM, and 4x 1.2TB SAS HDDs

    Dell PowerEdge R640 Server with Dual Intel Xeon Gold 6126, 128GB RAM, and 4x 1.2TB SAS HDDs

    Best for Demanding Multi-User Workloads

    View Latest Price
    This PowerEdge R640 with dual Xeon Gold 6126 processors offers significant processing power for multi-user environments. Its 128GB RAM supports heavy multitasking, making it well-suited for virtualization, databases, or application hosting. Compared with the R620, it provides more modern hardware and a higher core count, but the 90-day warranty may limit long-term reliability. The inclusion of four high-capacity SAS drives enhances storage speed and capacity, yet the rack setup and maintenance requirements make it less accessible for less experienced teams. This model makes sense for IT teams needing reliable, high-performance servers without the premium price of newer models.
    Pros:
    • Dual Xeon Gold processors for high processing throughput
    • Large 128GB RAM for multitasking and virtualization
    • Includes four new 1.2TB SAS drives for ample storage
    • Updated BIOS and firmware for stability
    Cons:
    • Limited 90-day hardware replacement warranty
    • Requires rack setup and ongoing maintenance expertise
    • No detailed pricing information

    Best for: IT teams managing demanding multi-user applications or virtualized environments in data centers.

    Not ideal for: Small businesses or remote offices without rack infrastructure or technical expertise for maintenance.

    • Processor:2x Intel Xeon Gold 6126 2.6GHz 12-core
    • Memory:128GB DDR4
    • Hard Drives:4x 1.2TB SAS 10K
    • Form Factor:2.5″ SFF 8-bay rack server
    • Warranty:90-day hardware replacement
    Our verdict
    “This server fits well for enterprise environments needing powerful, reliable multi-threaded processing in a rack form factor.”
  8. Dell PowerEdge R620 Server, 2.20GHz, 16-Core, 128GB RAM, 4x 600GB SAS, Renewed

    Dell PowerEdge R620 Server, 2.20GHz, 16-Core, 128GB RAM, 4x 600GB SAS, Renewed

    Best for Mid-Level Enterprise Applications

    View Latest Price
    The PowerEdge R620 offers a balanced mid-range option with dual 2.20GHz Xeon E5-2660 processors and 128GB of RAM. This makes it suitable for mid-tier enterprise workloads, especially when upgrading from older models like the R640 with less RAM. Its redundant power supplies and remote management features add to its operational reliability, but its bulkier size and older architecture may limit efficiency. Being a renewed product, it provides a cost-effective way to access enterprise features, though potential buyers should be aware of warranty limitations and the need for space considerations.
    Pros:
    • Dual Xeon E5-2660 processors with 16 cores total
    • 128GB RAM for demanding data tasks
    • Redundant power supplies improve uptime
    • Includes remote management tools
    Cons:
    • Bulkier size may require more space
    • Older architecture compared to newer models
    • Renewed product may have limited warranty

    Best for: Mid-sized companies requiring scalable, reliable servers for enterprise applications and virtualization.

    Not ideal for: Small teams or startups that need compact solutions or are sensitive to energy costs.

    • Processor:2x Intel Xeon E5-2660 8-Core 2.20GHz
    • RAM:128GB DDR3
    • Storage:4x 600GB SAS
    • Power:Redundant 750W supplies
    • Remote Management:iDRAC7 Express
    Our verdict
    “Ideal for growing enterprises seeking a dependable, scalable server platform with proven reliability.”
  9. Dell PowerEdge R740 2U Rack Server, Dual Xeon Gold 6148, 512GB DDR4, 15.36TB SSD, RAID, Dual Power, iDRAC, Rail Kit (Renewed)

    Dell PowerEdge R740 2U Rack Server, Dual Xeon Gold 6148, 512GB DDR4, 15.36TB SSD, RAID, Dual Power, iDRAC, Rail Kit (Renewed)

    Best for High-Performance Virtualization and Data-Intensive Tasks

    View Latest Price
    The PowerEdge R740 offers exceptional performance with dual Xeon Gold 6148 processors and a massive 512GB of DDR4 RAM. Its 15.36TB SSD storage caters to demanding workloads like virtualization, big data analytics, or AI. Compared to the R640 models, it provides more memory and faster storage options, but its size and power requirements are greater. The server’s included remote management and redundant power supplies boost uptime, yet its higher cost and size may make it less suitable for small or space-constrained setups. This pick is tailored for organizations that need maximum throughput and reliability.
    Pros:
    • Dual Xeon Gold 6148 processors for heavy workloads
    • Massive 512GB DDR4 RAM supports virtualization
    • Fast 15.36TB SSD storage for rapid data access
    • Includes redundant power supplies for uptime
    Cons:
    • Higher cost and larger physical footprint
    • Requires installation and ongoing maintenance expertise
    • Renewed product may have warranty limits

    Best for: Large-scale virtualization, AI workloads, or data analytics environments requiring extensive resources.

    Not ideal for: Small offices or those with tight space constraints due to its size and power needs.

    • Processor:Dual Xeon Gold 6148 2.4GHz
    • Memory:512GB DDR4
    • Storage:15.36TB SSD
    • Form Factor:2U Rack
    • Power:Redundant Power Supplies
    Our verdict
    “This server makes the most sense for large organizations prioritizing maximum performance and storage capacity for intensive data tasks.”
  10. Dell PowerEdge R640 NVMe Server 2.10GHz 16-Core 64GB RAM

    Dell PowerEdge R640 NVMe Server 2.10GHz 16-Core 64GB RAM

    Best for NVMe-Optimized Enterprise Storage

    View Latest Price
    The PowerEdge R640 NVMe delivers a focused solution for high-speed storage needs, featuring a 2.10GHz 16-core processor and 64GB of RAM. Its key advantage lies in NVMe support, offering ultra-fast data transfer rates crucial for performance-sensitive applications. Compared to the R640 with traditional storage, it prioritizes speed over capacity, making it ideal for caching or high-frequency trading environments. While it includes multiple caddies and rails for easy deployment, the lack of detailed storage specs and limited warranty info may concern buyers seeking a more comprehensive package. This server is best for workloads that demand rapid access to data with minimal latency.
    Pros:
    • High-performance 16-core processor for speed
    • Supports NVMe for ultra-fast data access
    • Includes multiple caddies and rails for easy setup
    • Renewed quality standards suitable for enterprise use
    Cons:
    • Limited storage capacity details provided
    • No information on warranty or support specifics
    • Cost may be higher for custom configurations

    Best for: Organizations requiring high-performance NVMe storage for caching, real-time analytics, or AI acceleration.

    Not ideal for: General-purpose workloads or those needing large storage capacity over speed, due to limited storage details.

    • Processor:2.10GHz 16-core
    • RAM:64GB
    • Caddies:10
    • Condition:Renewed
    Our verdict
    “This server is tailored for high-speed, low-latency storage applications where NVMe performance is critical.”
  11. Dell PowerEdge R640 Server 2X Gold 6148 2.40GHz 40-Core 256GB RAM + 8 Caddies (Renewed)

    Dell PowerEdge R640 Server 2X Gold 6148 2.40GHz 40-Core 256GB RAM + 8 Caddies (Renewed)

    Best Overall for Enterprise Performance

    View Latest Price

    This renewed Dell PowerEdge R640 stands out for its dual Intel Gold 6148 processors, delivering 40 cores of raw power ideal for demanding enterprise workloads. Compared to the AMD-based ASUS server, it offers a more traditional Intel architecture with broader compatibility for legacy enterprise applications. While the high core count and 256GB RAM make it suitable for virtualization and large-scale data processing, its renewed status introduces some uncertainty about warranty and longevity. The inclusion of essential components like power cords simplifies deployment, but the lack of detailed specs in the listing can leave buyers uncertain about future upgrades. This model is better suited to organizations needing reliable, high-performance compute with established Intel platform support.

    Pros:
    • High-performance dual 40-core Intel processors suitable for intensive workloads
    • Includes essential components like power cords, easing setup
    • Supports custom configurations for tailored deployment
    • Large 256GB RAM capacity for demanding virtualization
    Cons:
    • Renewed product may have limited warranty coverage
    • Lack of detailed specifications can hinder upgrade planning
    • Generally higher cost compared to new units with similar specs

    Best for: Large enterprise data centers requiring dependable, high-core-count servers for intensive processing tasks

    Not ideal for: Small startups or teams needing fresh hardware with full warranty coverage, due to the renewed condition and potential support limits

    • Processor:2X Gold 6148 2.40GHz
    • Cores:40-Core
    • RAM:256GB
    • Drive Caddies:8
    • Product Condition:Renewed
    • Includes:Power cords and components
    Our verdict
    “This server is an excellent choice for large-scale enterprise environments that prioritize performance and reliability over newness or budget.”
  12. Dell PowerEdge R640 10x SFF Rack Server with Dual Xeon Gold 6130, 256GB RAM, 2x 600GB HDD, 10GbE

    Dell PowerEdge R640 10x SFF Rack Server with Dual Xeon Gold 6130, 256GB RAM, 2x 600GB HDD, 10GbE

    Best for Data-Intensive Applications and Networking

    View Latest Price

    This Dell PowerEdge R640 offers a compelling balance of processing power and network capability, featuring dual Xeon Gold 6130 processors with 16 cores each, combined with 256GB RAM. Compared to the AMD-based ASUS server, it provides a more mature Intel platform with better compatibility for enterprise software. Its 10GbE network interfaces make it ideal for virtualization, storage, and high-performance computing (HPC) environments where fast data transfer is critical. However, the absence of a bezel and its heavy build mean it requires careful rack integration and space planning. The dual 750W power supplies add to its reliability but also increase energy consumption. This pick makes the most sense for data centers prioritizing network performance alongside processing capacity.

    Pros:
    • Dual Xeon Gold 6130 processors deliver solid multi-threaded performance
    • Ample 256GB DDR4 memory supports virtualized and data-heavy workloads
    • High-speed 10GbE networking for fast data transfer
    • Multiple drive bays for flexible storage expansion
    Cons:
    • Heavy and large, requiring significant rack space
    • Lacks a bezel, which may impact aesthetics and dust protection
    • Potentially higher power costs due to dual power supplies

    Best for: Data centers needing a versatile, high-performance server for virtualization, storage, or HPC workloads with robust networking

    Not ideal for: Small offices or environments with limited rack space, as it is large and requires careful physical setup

    • Processor:2x Xeon Gold 6130 2.1GHz 16-Core
    • Memory:256GB DDR4
    • Hard Drives:2x 600GB 10K SAS HDD
    • Network Interface:2x 10GbE
    • Power Supply:2x 750W
    • Form Factor:1U Rackmount
    Our verdict
    “This server is well-suited for data centers focused on high throughput, demanding networking, and scalable virtualization applications.”
  13. ASUS Dual AMD EPYC 4X NVMe 1U Server, 2x EPYC 7742 2.25GHz 64-Core CPUs, 64GB DDR4 RAM, 2x 1.92TB SSD, 10GbE, 1600W, Rails, RS700A-E11-RS4U

    ASUS Dual AMD EPYC 4X NVMe 1U Server, 2x EPYC 7742 2.25GHz 64-Core CPUs, 64GB DDR4 RAM, 2x 1.92TB SSD, 10GbE, 1600W, Rails, RS700A-E11-RS4U

    Best for High-Performance Enterprise Computing

    View Latest Price

    This ASUS server, featuring dual AMD EPYC 7742 processors with 64 cores each, takes a different approach from its Intel counterparts, emphasizing raw compute power suitable for high-demand enterprise tasks. Compared to the Intel-based Dell models, it offers more cores per CPU but with a more complex setup that requires technical expertise. The high-capacity NVMe SSDs ensure rapid data access, while the 10GbE connectivity supports fast network throughput. Its 1600W power supply provides high efficiency, but the renewed status may limit warranty and support, which could be a concern for critical deployments. Its compact 1U form factor makes it ideal for dense data centers needing maximum compute per rack unit. This server is best suited for organizations with skilled teams managing enterprise-grade hardware and demanding workloads.

    Pros:
    • Dual AMD EPYC 7742 processors with 128 cores total for maximum compute density
    • Fast NVMe SSDs for rapid data access and transfer
    • High efficiency 1600W power supply reduces operational costs
    • Compact 1U form factor maximizes rack space utilization
    Cons:
    • Renewed product may have limited warranty support
    • Requires technical expertise for setup and maintenance
    • Limited to enterprise and data center environments due to high complexity

    Best for: Data centers and enterprises needing dense, high-core-count servers for compute-intensive applications and NVMe storage

    Not ideal for: Organizations with limited technical staff or seeking new hardware with full warranty coverage, due to the renewed condition

    • Processor:2x AMD EPYC 7742 2.25GHz 64-Core
    • Memory:64GB DDR4
    • Storage:2x 1.92TB NVMe SSD
    • Network:10GbE
    • Power:2x 1600W 80Plus Platinum
    • Form Factor:1U Rackmount
    Our verdict
    “This server excels in dense, compute-heavy environments where maximum processing and storage speed are priorities, assuming technical management capabilities.”
best data center servers
What makes a great data center server
1
Performance and Scalability
Assess your current and future workload demands to determine the necessary CPU, RAM, and storage capacity.
2
Reliability and Redundancy
Data center servers must operate continuously, so focus on features like redundant power supplies, hot-swappable drives, and high-
3
Form Factor and Compatibility
The physical size and rack compatibility are critical—whether you need a 1U, 2U, or blade server.
4
Support and Warranty
Enterprise-grade servers often include extensive warranties and support plans, which are vital for minimizing downtime.
How to choose your data center server
1
How we picked
The products in this roundup were evaluated based on their performance potential, build quality, and suitability for dat
2
Performance and Scalability
Assess your current and future workload demands to determine the necessary CPU, RAM, and storage capacity.
3
Reliability and Redundancy
Data center servers must operate continuously, so focus on features like redundant power supplies, hot-swappable drives,
4
Form Factor and Compatibility
The physical size and rack compatibility are critical—whether you need a 1U, 2U, or blade server.
5
Support and Warranty
Enterprise-grade servers often include extensive warranties and support plans, which are vital for minimizing downtime.
Vetted data center servers ·
The best data center servers, compared
★ Winner Dell PowerEdge R640 10B 4-NVMe
Best Overall for High-Performance Enterprise Workloads
13compared
256GBtop ram

How We Picked

The products in this roundup were evaluated based on their performance potential, build quality, and suitability for data center environments. I prioritized servers with high core counts, fast storage options, and reliable hardware components, as these directly impact uptime and throughput. Cost-effectiveness and expandability were also key factors, especially for organizations looking to maximize their investment. To ensure relevance, I included a mix of new and refurbished models, and each was assessed against industry standards for enterprise server performance. The ranking reflects a balance of power, value, and versatility, aligning with real-world data center needs.
Everyday → specialist
Everyday & valuePremium & specialist
Which data center server fits you?
The everyday user
All-round, reliable
The enthusiast
Premium & high-performance
The gift-giver
Looks & craftsmanship

Factors to Consider When Choosing Best Data Center Servers

Choosing the best data center server requires careful consideration of multiple factors beyond raw specs. Understanding your workload, future growth, and infrastructure compatibility can save significant costs and headaches. Here are key aspects to evaluate before making a decision.

Performance and Scalability

Assess your current and future workload demands to determine the necessary CPU, RAM, and storage capacity. High core counts and fast NVMe SSDs enable handling intensive tasks like virtualization, big data analytics, or AI workloads. Scalability options such as additional drive bays or RAM slots can extend the lifespan of your server investment, so consider models that allow easy upgrades as your needs grow.

Reliability and Redundancy

Data center servers must operate continuously, so focus on features like redundant power supplies, hot-swappable drives, and high-quality hardware components. These features reduce downtime and simplify maintenance. Additionally, look for servers with robust remote management tools, such as Dell’s iDRAC or ASUS’s IPMI, to streamline troubleshooting and updates without physical access.

Form Factor and Compatibility

The physical size and rack compatibility are critical—whether you need a 1U, 2U, or blade server. Compatibility with your existing infrastructure prevents costly redesigns. For small data centers or edge deployments, compact or blade options might be best, while larger facilities may prioritize high-density rack servers for efficiency.

Cost and Total Ownership

Initial purchase price is just one part of the equation; consider power consumption, cooling needs, and maintenance costs over time. High-performance servers with extensive features often come with higher energy and support costs. Balancing upfront investment with long-term operational expenses helps avoid budget overruns and ensures sustainable operation.

Support and Warranty

Enterprise-grade servers often include extensive warranties and support plans, which are vital for minimizing downtime. Verify the availability of parts, on-site service, and software support. Refurbished or lower-tier models may have limited warranty options, so weigh the importance of support against the cost savings.

Frequently Asked Questions

How do I determine the right CPU core count for my data center server?

The optimal CPU core count depends on your workload’s parallel processing needs. For tasks like virtualization, large databases, or AI, higher core counts improve performance. Smaller or less demanding workloads may perform well with fewer cores, saving costs. It’s also wise to consider future growth, ensuring your server can handle increased load without immediate upgrades.

Should I prioritize SSD or HDD storage in my data center server?

Solid-state drives (SSDs) offer significantly faster data access speeds, which benefits applications requiring quick read/write performance, such as databases and virtual machines. Hard disk drives (HDDs), on the other hand, provide larger capacities at lower costs, suitable for archival storage or less performance-critical data. Many organizations opt for a hybrid approach, combining SSDs for active workloads with HDDs for bulk storage.

Is it better to buy a new or refurbished data center server?

Refurbished servers can provide substantial savings and often offer performance comparable to new equipment, especially if they come from reputable vendors with warranties. However, they might lack the latest features or have limited support options. New servers typically come with full warranties and the latest hardware, making them a safer choice for high-availability environments, though at a higher cost.

What is the importance of remote management features in data center servers?

Remote management tools like Dell’s iDRAC or ASUS’s IPMI allow administrators to monitor, troubleshoot, and update servers without physical access. This capability reduces downtime, speeds up repairs, and lowers maintenance costs. For large or distributed data centers, such features are often critical for efficient operations and quick incident response.

How much expandability should I consider when selecting a server?

Future-proofing your investment involves evaluating how easily you can upgrade RAM, add drives, or include additional hardware components. Servers with extra drive bays, RAM slots, and PCIe expansion options provide flexibility as your workload grows. Overlooking expandability can lead to premature hardware obsolescence and additional upgrade costs down the line.

Conclusion

For organizations seeking the best overall performance, the Dell PowerEdge R740 remains a top choice, balancing power, expandability, and reliability. Budget-conscious buyers will find excellent value in refurbished options like the Dell PowerEdge R640 series. Those needing premium, high-density setups should consider the ASUS Dual AMD EPYC Server for its impressive CPU and storage capabilities. Beginners or small-scale deployments might prefer simpler, more manageable models, while large enterprises should focus on servers with extensive redundancy and scalability features. Tailoring your choice to your specific workload and growth plans is key to making the right investment.”

FLEA & TICK SEAS

Flea & tick season Picks

As an affiliate, we earn on qualifying purchases.

You May Also Like

11 Best Laser Projectors for Large Training Rooms in 2026

Discover the top laser projectors for large training rooms in 2026. Find the best options for brightness, clarity, and ease of use tailored to your needs.

5 Best Tech Gadgets For Dads In 2026

Discover the top tech gadgets for dads in 2026. From laser measures to night vision, find the perfect gift with our curated comparison guide.

11 Best Triple Monitor Arms for Office Setups in 2026

Discover the best triple monitor arms for office setups in 2026. Find top picks for performance, value, and ease of use to enhance your workspace.

8 Best PoE++ Switch for PTZ Conference Cameras in 2026

Discover the top PoE++ switches for PTZ conference cameras in 2026. Find the best options for performance, value, and ease of use in this comprehensive guide.