Choosing a UPS for a pfSense firewall and modem involves balancing backup runtime, power capacity, and reliability. The Netgate 2100 Base pfSense+ Security Gateway stands out as the best overall for integrated security and performance. For budget-conscious users, the APC Back-UPS 550VA offers reliable backup at an affordable price, while the CyberPower CP1500PFCLCD provides a high-capacity sinewave solution for critical network setups. The main tradeoffs revolve around runtime versus cost, and whether you need a dedicated network UPS or a general-purpose backup. Continue reading for a full breakdown of each option and what makes them suitable for different needs.
Get ready for Prime Big Deal Days — try Prime free
Exclusive member deals on October 6–7, plus fast free delivery. Cancel anytime.
Start your free trialAs an affiliate, we earn on qualifying purchases.
Key Takeaways
- The top-ranked UPS balances runtime, capacity, and build quality to support pfSense firewalls and modems during outages.
- Sinewave UPS models like CyberPower CP1500PFCLCD provide cleaner power, which benefits sensitive network equipment.
- Budget options such as APC BE550G deliver essential backup but may have limited runtime for longer outages.
- Higher-capacity UPS units tend to be larger and more expensive but offer longer backup times for persistent outages.
- Most network-focused UPSs include surge protection and Ethernet management features, which are important for safeguarding equipment.
| Netgate 2100 Base pfSense+ Security Gateway – Firewall, Router, VPN | ![]() | Best Overall for Small Business Security and Routing | Processor: 1.2 GHz ARM Cortex-A53 | Routing Throughput: 2.20 Gbps | Firewall Throughput: 964 Mbps | VIEW ON AMAZON | See Our Full Breakdown |
| APC UPS 600VA/330W UPS Battery Backup for Computer, Router, NAS, BE600M1 | ![]() | Best Value for Home Office Power Backup | Capacity: 600VA / 330W | Outlets: 8 (4 battery backup + surge, 4 surge-only) | Runtime at 100W: Up to 23 minutes | VIEW ON AMAZON | See Our Full Breakdown |
| CyberPower CP1500PFCLCD PFC Sinewave UPS Battery Backup and Surge Protector | ![]() | Best for Power-Intensive or Sensitive Equipment | Capacity: 1500VA/1000W | Outlets: 12 NEMA 5-15R | Display: Color LCD | VIEW ON AMAZON | See Our Full Breakdown |
| APC Back-UPS 550VA Battery Backup & Surge Protector, BE550G | ![]() | Best for Basic Home Office Power Protection | Capacity: 550VA / 330W | Outlets: 8 (4 backup + surge, 4 surge-only) | Runtime at 100W: Up to 22 minutes | VIEW ON AMAZON | See Our Full Breakdown |
| CyberPower ST425 Standby UPS Battery Backup and Surge Protector | ![]() | Best Compact UPS for Light Power Needs | VA: 425VA | Wattage: 260W | Outlets: 8 | VIEW ON AMAZON | See Our Full Breakdown |
| APC 425VA Battery Backup UPS for Router and Small Electronics, BE425M | ![]() | Best Compact UPS for Small Electronics | Capacity: 425VA / 255W | Runtime: 15 minutes at 100W | Outlets: 6 (4 battery backup + surge, 2 surge-only) | VIEW ON AMAZON | See Our Full Breakdown |
| Netgate 1100 pfSense+ Security Gateway – Firewall, Router, VPN | ![]() | Best Firewall and Router Combo for Secure Edge Networking | Processor: Dual-core ARM Cortex-A53 1.2 GHz | Firewall Throughput: Exceeds 650 Mbps | Ports: 3 x 1 GbE (WAN/LAN/OPT) | VIEW ON AMAZON | See Our Full Breakdown |
| ups for pfsense firewall and modem | Warranty | Outlets | Capacity |
|---|---|---|---|
| Netgate 2100 Base pfSense+ Sec | 1 year | — | — |
| APC UPS 600VA/330W UPS Battery | 3 years | 8 (4 battery backup + surge, 4 surge-only) | 600VA / 330W |
| CyberPower CP1500PFCLCD PFC Si | 3 years including battery | 12 NEMA 5-15R | 1500VA/1000W |
| APC Back-UPS 550VA Battery Bac | 3 years | 8 (4 backup + surge, 4 surge-only) | 550VA / 330W |
| CyberPower ST425 Standby UPS B | 3 years | 8 | — |
| APC 425VA Battery Backup UPS f | 3 years | 6 (4 battery backup + surge, 2 surge-only) | 425VA / 255W |
| Netgate 1100 pfSense+ Security | — | — | — |
More Details on Our Top Picks
Netgate 2100 Base pfSense+ Security Gateway – Firewall, Router, VPN
This device stands out for bringing enterprise-grade security directly into small business environments, with high routing and firewall throughput that surpasses many consumer options. Unlike the APC UPS 600VA, it offers dedicated routing, VPN capabilities, and pre-loaded pfSense+ software, making setup more straightforward for network professionals. The passive cooling ensures silent operation, but the device’s limited expandability and reliance on small business use cases mean it might not scale for larger networks. Its hardware specs, including a 1.2 GHz ARM Cortex-A53 processor and 2.20 Gbps routing throughput, deliver strong performance for demanding workloads—especially when security is a priority.
Pros:- High-performance routing and firewall throughput
- Pre-loaded with pfSense+ for quick deployment
- Silent operation due to passive cooling
- Includes free technical support and updates
Cons:- Requires adult signature upon delivery, which may delay installation
- Limited to small business use cases, not scalable for larger networks
Best for: Small business owners needing a reliable security gateway with integrated routing and VPN support.
Not ideal for: Home users or those seeking a simple, plug-and-play device without enterprise features.
- Processor:1.2 GHz ARM Cortex-A53
- Routing Throughput:2.20 Gbps
- Firewall Throughput:964 Mbps
- Cooling System:Passive cooling
- Warranty:1 year
Our verdict“This pick is best for small businesses that need a secure, high-performance gateway with enterprise features built-in.”
APC UPS 600VA/330W UPS Battery Backup for Computer, Router, NAS, BE600M1
This UPS provides a balanced mix of capacity and affordability, making it ideal for protecting essential home office devices like routers, modems, and small NAS units. While the CyberPower CP1500PFCLCD offers sine wave power and a larger capacity, the APC UPS is more compact and easier to set up, with a 600VA/330W capacity that fits well into most home spaces. Its 23-minute runtime at 100W is sufficient for safe shutdowns, but it has limited capacity for high-power devices and lacks USB charging ports, unlike some larger models. Its simple design and included surge protection make it a reliable choice for basic needs.
Pros:- Reliable backup during power outages
- Multiple outlets with battery backup and surge protection
- User-replaceable battery for extended lifespan
- Compact and easy to deploy
Cons:- Limited runtime for high-power or multiple devices
- Battery replacement involves purchasing separate model
Best for: Home users who need a dependable backup for routers, modems, and small electronics without high power demands.
Not ideal for: Power users with high-capacity or sine wave requirements, or those needing USB charging ports.
- Capacity:600VA / 330W
- Outlets:8 (4 battery backup + surge, 4 surge-only)
- Runtime at 100W:Up to 23 minutes
- Battery Replacement:Yes (Model APCRBC110)
- Warranty:3 years
Our verdict“This UPS is ideal for budget-conscious home users seeking straightforward power backup for essential electronics.”
CyberPower CP1500PFCLCD PFC Sinewave UPS Battery Backup and Surge Protector
Compared with smaller UPS options, the CyberPower CP1500PFCLCD provides substantial capacity at 1500VA/1000W, suitable for protecting multiple high-powered devices and network gear. Its sine wave output and automatic voltage regulation make it a smart choice for sensitive electronics, unlike the more basic APC Back-UPS 550VA. The built-in color LCD display offers detailed real-time data, aiding troubleshooting and monitoring. However, the lack of specified backup runtime may be a concern for users requiring extended outages, and its size and weight mean it’s less suited to tight spaces. It’s best suited for users with a need for reliable, clean power for critical equipment.
Pros:- Provides reliable sine wave power with AVR
- Multiple outlets and USB charging ports
- Color LCD display for detailed status
- 3-year warranty including battery
Cons:- No explicit backup runtime duration provided
- Requires dedicated space due to size
Best for: Power users and IT professionals requiring high-capacity, clean sine wave power for sensitive or multiple devices.
Not ideal for: Casual home users with minimal backup needs or limited space for a mini tower design.
- Capacity:1500VA/1000W
- Outlets:12 NEMA 5-15R
- Display:Color LCD
- Warranty:3 years including battery
- Guarantee:$500,000 Connected Equipment
Our verdict“This UPS is perfect for demanding environments where clean power and reliability are critical, despite its larger physical footprint.”
APC Back-UPS 550VA Battery Backup & Surge Protector, BE550G
Compared with higher-capacity UPS units, the APC BE550G offers a straightforward solution for protecting essential home office devices, including routers and computers. Its up to 22-minute runtime at 100W makes it suitable for safe shutdowns during brief outages, and the user-replaceable battery extends its lifespan. Though it lacks USB charging ports and has a modest capacity, it excels in simplicity and reliability for basic needs. It is less suitable for high-power or sensitive equipment that requires sine wave power, but for standard home electronics, it offers a cost-effective backup.
Pros:- Reliable backup during outages
- Multiple outlets with both battery backup and surge protection
- User-replaceable battery for easy maintenance
- Simple, no-frills design
Cons:- Limited runtime for high-power devices
- No USB ports for device charging
Best for: Home office users needing basic backup power for routers, PCs, and small electronics.
Not ideal for: Power users or those with high-capacity or sensitive equipment requiring sine wave power.
- Capacity:550VA / 330W
- Outlets:8 (4 backup + surge, 4 surge-only)
- Runtime at 100W:Up to 22 minutes
- Battery Replacement:Yes (Model APCRBC110)
- Warranty:3 years
Our verdict“This UPS provides a dependable, budget-friendly solution for everyday home office electronics, but falls short for high-demand or sensitive equipment.”
CyberPower ST425 Standby UPS Battery Backup and Surge Protector
Compared with larger models like the CyberPower CP1500PFCLCD, the ST425 offers a smaller footprint with 425VA/260W capacity, ideal for supporting a few essential devices such as a router and a couple of small electronics. Its UL certification and simple LED indicators make it safe and easy to operate, but its limited capacity means it’s unsuitable for high-power or multiple devices simultaneously. The simulated sine wave output may not be compatible with sensitive equipment, making it best for basic backup needs where space is constrained.
Pros:- Reliable backup and surge protection
- Compact size with transformer-spaced outlets
- UL safety certification
- 3-year warranty
Cons:- Limited to 425VA/260W capacity
- Simulated sine wave output not ideal for sensitive equipment
Best for: Users with limited space seeking a compact, UL-certified backup for low-power devices.
Not ideal for: Power-hungry or sensitive electronics that require pure sine wave output or longer backup times.
- VA:425VA
- Wattage:260W
- Outlets:8
- Plug Type:NEMA 5-15P right angle
- Warranty:3 years
Our verdict“This small UPS is suitable for basic backup needs in space-constrained environments, but isn’t designed for demanding equipment or high power loads.”
APC 425VA Battery Backup UPS for Router and Small Electronics, BE425M
This APC UPS is an excellent choice for individuals seeking reliable backup power for modest devices like routers, modems, and small electronics. Unlike larger units such as the CyberPower CP1500PFCLCD, the BE425M offers a simple, space-saving solution with a 425VA capacity, making it ideal for small setups. Its 15-minute runtime at 100W covers typical internet and modem needs without overkill. Surge protection and automatic voltage regulation help shield sensitive equipment from power spikes and fluctuations. However, its limited capacity means it won’t sustain higher loads or multiple devices for extended periods, unlike larger models. The wall-mountable design maximizes space efficiency, but users with more extensive networking gear may find it insufficient. This pick is best suited for those wanting a straightforward, space-efficient backup for essential small electronics.
Pros:- Provides up to 15 minutes of backup at 100W, enough for typical internet devices
- Surge protection and automatic voltage regulation safeguard electronics
- Compact, wall-mountable design saves space and fits small setups
Cons:- Limited runtime for higher loads or multiple devices
- Only suitable for small electronics, not larger equipment or multiple devices simultaneously
Best for: Home users or small office setups needing reliable, compact backup for routers and modems
Not ideal for: Users with multiple or high-power devices requiring longer backup times or higher capacity
- Capacity:425VA / 255W
- Runtime:15 minutes at 100W
- Outlets:6 (4 battery backup + surge, 2 surge-only)
- Warranty:3 years
- Protection:$75,000 Equipment Protection
Our verdict“This UPS makes the most sense for users who need a dependable, space-efficient backup for essential small electronics in a home or small office environment.”
Netgate 1100 pfSense+ Security Gateway – Firewall, Router, VPN
The Netgate 1100 stands out as a robust, enterprise-grade gateway tailored for those who need a dedicated, secure network device. Unlike the APC BE425M, which primarily provides backup power, the Netgate 1100 is designed to handle high-throughput, complex network tasks with its dual-core ARM Cortex-A53 processor capable of exceeding 650 Mbps of firewall throughput. Its three 1 GbE ports allow flexible network segmentation, making it ideal for more advanced setups or small businesses. The pre-loaded pfSense+ software simplifies deployment and ongoing management, with lifetime updates and 24/7 support included. However, its higher cost and larger footprint make it less suitable for casual or small home users. This device is best for those who need a reliable, powerful firewall/router with built-in security features for a small office or security-conscious environment.
Pros:- High firewall throughput of over 650 Mbps ensures fast, secure network performance
- Pre-installed pfSense+ software with lifetime updates simplifies setup and operation
- Three configurable 1 GbE ports provide flexible network segmentation and routing
Cons:- Higher price point compared to basic routers or backup UPS units
- More complex setup and management process may overwhelm casual users
- Larger physical size compared to small UPS units makes it less discreet
Best for: Small businesses or advanced home users requiring a dedicated, secure, high-performance network gateway
Not ideal for: Casual home users or those seeking a simple backup power solution, as it involves a higher investment and complexity
- Processor:Dual-core ARM Cortex-A53 1.2 GHz
- Firewall Throughput:Exceeds 650 Mbps
- Ports:3 x 1 GbE (WAN/LAN/OPT)
- Supported Software:pfSense+ with lifetime updates
- Support:24/7 TAC Lite included
Our verdict“This gateway makes the most sense for users who need a dedicated, enterprise-level firewall and router device with robust security features for small or medium-sized networks.”

How We Picked
These products were selected based on their ability to reliably power pfSense firewalls and modems during utility outages, emphasizing runtime, power capacity, and build quality. We prioritized models with sufficient VA/Watt ratings to handle typical network equipment loads and evaluated their surge protection features, ease of installation, and management options. Cost-effectiveness was also considered, especially for users needing dependable backup without overspending. The ranking reflects a balance between performance, value, and suitability for different user scenarios, from small home setups to more demanding enterprise needs.Factors to Consider When Choosing Ups For Pfsense Firewall And Modem
When choosing a UPS for pfSense firewalls and modems, several factors come into play. The right model depends on your specific setup, desired backup duration, and budget. Understanding these key considerations can help you avoid common pitfalls, such as underestimating power needs or selecting models without proper surge protection. Here are some vital points to keep in mind:Capacity and Power Rating
Ensure the UPS has enough VA and wattage capacity to support your entire network setup during outages. Overloading a smaller UPS can cause it to shut down prematurely, leaving your network unprotected. It’s wise to select a model with at least 20-30% more capacity than your current load to account for future expansion or additional devices.
Runtime and Battery Life
Consider how long you need your equipment to stay online during power failures. Most UPS units provide a specified runtime at certain loads; matching this to your typical outage duration ensures you aren’t caught unprepared. For longer outages, higher-capacity models or those with larger batteries are necessary, but they often come with increased size and cost.
Waveform Type (Sinewave vs. Simulated)
For sensitive network devices, sinewave (pure or true) UPS units deliver cleaner power, reducing risks of resets or damage. Simulated or stepped approximation waveforms are cheaper but can cause issues with advanced networking hardware. Prioritizing sinewave models is especially important if your pfSense firewall handles critical security functions or if your modem is sensitive to power quality.
Management Features and Connectivity
Many UPSs offer USB or network management options, allowing you to monitor power status remotely or configure automatic shutdowns. These features are valuable for maintaining network uptime and protecting data during extended outages. Evaluate whether your setup benefits from advanced management or if a simple backup suffices.
Size, Portability, and Installation
Size and weight matter if space is limited or if you need to move the UPS frequently. Compact models may lack the capacity for longer runtime, while larger units offer more backup but require dedicated space. Also, look for models with easy-to-access outlets and clear labeling to simplify installation and maintenance.
Frequently Asked Questions
How long should my UPS backup last for a typical home pfSense setup?
For most home or small business pfSense firewalls and modems, a backup runtime of 15 to 30 minutes is usually sufficient to allow for safe shutdown or switch to backup power sources. If you need longer for planned outages or critical services, consider higher-capacity units with extended runtime options. Remember, the actual duration depends on your total load, so choosing a UPS with a higher VA rating provides more peace of mind.
Can I connect multiple devices to a single UPS, and how do I know how many outlets to use?
Yes, most UPSs offer multiple outlets, allowing you to connect your modem, firewall, and other essential equipment. To determine how many outlets you need, add up the total wattage of all connected devices and ensure the UPS’s maximum wattage rating exceeds this sum. Avoid overloading the UPS, as it can lead to reduced backup times or damage to the unit.
Is a sinewave UPS necessary for pfSense firewalls and modems?
For optimal performance and safety, a sinewave (also called pure or true sinewave) UPS is recommended, especially if your network hardware is sensitive to power quality. It provides cleaner power, reducing the risk of resets or hardware damage during outages. Cheaper models with simulated waveforms may cause issues with advanced networking equipment and are generally less reliable for critical network infrastructure.
Should I prioritize runtime or capacity when selecting a UPS for my network?
Both are important, but the priority depends on your specific needs. If you need to stay online during long outages, focus on higher capacity units with larger batteries for extended runtime. For shorter outages or backup during brief power dips, a smaller, more affordable UPS with sufficient capacity for your immediate load will suffice. Balancing capacity and runtime ensures you get reliable backup without unnecessary expense.
Are surge protection features important in a UPS for pfSense equipment?
Yes, surge protection is a vital feature that guards your network hardware against voltage spikes caused by lightning or power fluctuations. Many UPS units include built-in surge protection, which helps prolong the lifespan of your equipment and prevents unexpected failures. Combining surge protection with backup power makes your setup more resilient against power-related issues.
Conclusion
The best overall pick for most users is the CyberPower CP1500PFCLCD because it offers a high-capacity sinewave output, making it suitable for sensitive network gear. Budget-conscious buyers will find the APC Back-UPS 550VA provides reliable backup at a lower cost, ideal for small setups. For those seeking premium features and longer runtime, the CyberPower CP1500PFCLCD or similar models are worth the investment. Beginners or casual users should prioritize simple, compact models like the APC BE425M, while larger networks or critical infrastructure should consider higher-capacity units with management features. Ultimately, matching your power needs and budget will guide you to the right choice.
As an affiliate, we earn on qualifying purchases.NFL season / tailgating Picks
team gear






