Contents
It can be hard to find the best ups for computer system. The CyberPower CP1500PFCLCD is our top choice. It offers 1500VA of power, which keeps your computer running during outages. For a budget option, the APC BE425M provides solid backup but has lower capacity. Most buyers must choose between higher power or lower cost. The rest of this page highlights key features of each pick to help you decide.
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The Top 8
Top 8 Ups Reviewed in Detail
Here are our top picks for the best UPS devices for your computer system.
1. Editor’s Choice
CyberPower ST425 Standby UPS Battery Backup and Surge Protector
- 425VA/260W Standby Uninterruptible Power Supply (UPS): Uses simulated sine wave output to provide battery backup power and to safeguard home office, home entertainment including computers, gaming consoles, and broadband routers
- 8 NEMA 5-15R OUTLETS: Four battery backup & surge protected outlets; Four surge protected outlets; INPUT: NEMA 5-15P right angle, 45 degree offset plug with five foot power cord
- ADDITIONAL FEATURES: LED status light indicates Power-On and Wiring Fault, transformer-spaced outlets
- GREENPOWER UPS HIGH EFFICIENCY DESIGN: Reduces power consumption by utilizing a compact charger and power inverter to create an ultra-efficient backup power system for home and office use
- 3-YEAR WARRANTY – INCLUDING THE BATTERY; 75K USD Connected Equipment Guarantee; UL SAFETY CERTIFIED: Product has been tested in a UL certified lab and listed with UL as meeting or exceeding safety standards
The CyberPower ST425 Standby UPS Battery Backup and Surge Protector provides a reliable power solution for small setups. With a capacity of 425VA and 260W, it can handle a home office or entertainment setup effectively. It features eight outlets, including four that offer battery backup and surge protection. This allows you to plug in multiple devices, ensuring they remain operational during power outages or surges.
Compared to other options, the ST425 is more compact and easier to set up. However, it has a lower power capacity compared to larger models like the CP1500PFCLCD. This means it is best suited for lighter use, such as for routers and basic computers. For those needing to support higher power devices, a more powerful UPS would be necessary.
One limitation of the CyberPower ST425 is its limited capacity. It may not be suitable for users with demanding setups or multiple high-power devices. For basic use, it is a solid choice, but heavy users should consider other options.
Pros
- 425VA capacity, ideal for small setups
- 8 outlets for multiple devices
- Surge protection included
- Compact design for easy placement
Cons
- Lower power capacity than larger models
- Limited runtime for high-demand devices
Best for: Small home offices and basic setups. Not ideal for: High-power gaming systems or multiple devices.
A solid choice for basic setups needing reliable power.
2. Best for Computer System
CyberPower CP1500PFCLCD PFC Sinewave UPS Battery Backup and Surge Protector
- 1500VA/1000W PFC Sinewave Uninterruptible Power Supply (UPS): Uses sine wave output to provide battery backup power for Active PFC & conventional power supplies; Safeguards computers, workstations, network devices, and telecom equipment
- 12 NEMA 5-15R OUTLETS: 6 battery backup & surge protected outlets, 6 surge protected outlets; INPUT: NEMA 5-15P right angle, 45 degree offset plug with 5 foot power cord; 2 USB charge ports (1 Type-A, 1 Type-C) quickly charge phones and tablets
- MULTIFUNCTION, COLOR LCD PANEL: Displays immediate, detailed information on battery and power conditions; Color display alerts users to potential issues before they can affect critical equipment and cause downtime; Screen tilts up to 22 degrees
- AUTOMATIC VOLTAGE REGULATION (AVR): Corrects minor power fluctuations without switching to battery power; UL SAFETY CERTIFIED: Product has been tested in a UL certified lab and listed with UL as meeting or exceeding safety standards
- 3-YEAR WARRANTY – INCLUDING THE BATTERY; $500,000 Connected Equipment Guarantee; FREE PowerPanel Management Software (Download)
The CyberPower CP1500PFCLCD PFC Sinewave UPS Battery Backup is designed for users requiring reliable power for computer systems. It delivers 1500VA and 1000W, making it suitable for workstations and gaming rigs. This model features a sine wave output, which is essential for sensitive electronics. The 12 outlets allow you to connect multiple devices, ensuring they remain powered during outages.
Compared to the other picks, the CP1500PFCLCD stands out for its sine wave feature, which provides a smoother power supply. This is particularly important for advanced setups where power quality matters. In contrast, lower-capacity models like the ST425 may not support high-performance devices adequately. If you prioritize performance, the CP1500PFCLCD is a smart choice.
However, this UPS tends to be larger and heavier than some budget models. Its size may limit placement options in small spaces. If you require portability or have limited space, consider the CyberPower ST425 instead.
Pros
- 1500VA capacity for high-performance setups
- Sine wave output for sensitive devices
- 12 outlets for multiple connections
- LCD display for easy monitoring
Cons
- Larger and heavier than some models
- Might be overkill for basic setups
Best for: High-performance computers and workstations. Not ideal for: Users with minimal power needs.
A powerful UPS for demanding computer systems.
3. Runner-Up
APC BE600M1 UPS Battery Backup & Surge Protector for Computer, Router, NAS
- KEEP YOUR COMPUTER, WI-FI AND ROUTER RUNNING THROUGH POWER OUTAGES: Supplies short-term battery power during outages to maintain internet connectivity and allow safe shutdown of computer during power interruptions
- POWER PROBLEMS DON’T ONLY HAPPEN DURING STORMS: 23 minutes of runtime (at 100W load) guards against outages, while surge protection shields connected devices from unexpected power events that happen even on a normal day
- PROTECT EVERYTHING ON YOUR DESK: 5 well-spaced outlets with full battery backup and surge protection, plus 2 surge-only outlets for less critical gear
- PHONE CHARGER: Keep your phone charged even when the power’s out. The built-in 1.5A USB port works during outages
- EASY BATTERY REPLACEMENT KEEPS COSTS LOW: Swap the internal battery in minutes when it ages out, no need to replace the whole unit (APC replacement battery APCRBC154, sold separately)
The APC BE600M1 UPS Battery Backup provides reliable backup power for computers and routers. Its compact design makes it easy to fit into small spaces. With a 600VA capacity and a runtime of about 23 minutes at a 100W load, it ensures your devices stay operational during outages. This UPS features four battery backup outlets and additional surge-protected outlets, making it versatile for basic use.
When compared to other options, the BE600M1 is an excellent choice for users needing essential protection without high capacity. For example, the CyberPower CP1500PFCLCD offers more power but with a bigger size and cost. The BE600M1 meets the needs of casual users who do not require extensive backup power.
Despite its strengths, the APC BE600M1 lacks the higher capacity found in models like the CyberPower CP1500PFCLCD. It may not support high-performance devices for extended periods. This makes it less suitable for gaming systems or advanced setups that need more power.
Pros
- Compact design for easy placement
- 23 minutes of runtime at 100W load
- 4 battery backup outlets
- Affordable option for basic backup needs
Cons
- Lower capacity compared to larger models
- Limited runtime for high-demand devices
Best for: Casual users needing basic backup. Not ideal for: High-performance gaming systems.
An affordable choice for essential power needs.
4. Best Lightweight
CyberPower CP1500AVRLCD3 Intelligent LCD UPS Battery Backup
- 1500VA/900W Intelligent LCD Uninterruptible Power Supply (UPS): Uses simulated sine wave technology to provide battery backup power to safeguard workstations, networking devices, and home entertainment equipment
- 12 NEMA 5-15R OUTLETS: Six battery backup & surge protected outlets; six surge protected outlets; INPUT: NEMA 5-15P plug with 6-foot power cord; USB charge ports (1 Type-A, 1 Type-C) quickly charge mobile phones and tablets
- MULTIFUNCTION, COLOR LCD PANEL: Displays immediate, detailed information on battery and power conditions; Color display alerts users to potential issues before they can affect critical equipment and cause downtime
- AUTOMATIC VOLTAGE REGULATION (AVR): Corrects minor power fluctuations without switching to battery power; UL SAFETY CERTIFIED: Product has been tested in a UL certified lab and listed with UL as meeting or exceeding safety standards
- 3-YEAR WARRANTY – INCLUDING THE BATTERY; 500,000 Connected Equipment Guarantee; FREE PowerPanel Personal Software (Download)
The CyberPower CP1500AVRLCD3 Intelligent LCD UPS Battery Backup offers excellent performance for computer systems. With a 1500VA capacity and 900W output, it is capable of supporting multiple devices simultaneously. Users appreciate the intelligent LCD that displays current battery status and power conditions. This feature helps in monitoring your devices effectively during outages.
In comparison to other models, the CP1500AVRLCD3 combines good capacity with user-friendly features. Its LCD display makes it different from models like the APC BE600M1, which lacks this feature. Though it has a similar capacity to the CyberPower CP1500PFCLCD, this model is slightly less powerful, making it suitable for a variety of setups.
A notable limitation is its weight and size, which may be cumbersome for some users. If space is a concern, a more compact option like the CyberPower ST425 may be easier to manage. Users needing a larger capacity should also consider higher-output models like the CP1500PFCLCD.
Pros
- 1500VA capacity for multiple devices
- Intelligent LCD for easy monitoring
- 900W output suitable for most computers
- User-friendly design
Cons
- Larger and heavier than some alternatives
- Lower output than similar models
Best for: Users wanting a display for power status. Not ideal for: Those needing a lightweight option.
A great choice for those who value monitoring features.
5. Best Compact
CyberPower EC850LCD Ecologic UPS Battery Backup and Surge Protector
- 12 NEMA 5-15R OUTLETS: Six battery backup & surge protected outlets; Six surge protected outlets (Three ECO controlled); INPUT: NEMA 5-15P right angle, 45 degree offset plug with five foot power cord
- MULTIFUNCTION LCD PANEL: Displays immediate, detailed information on battery and power conditions
- ECO MODE: When the UPS detects a computer is off or in sleep mode, it will automatically turn off power to computer peripherals connected to ECO mode outlets, reducing power usage and lowering energy costs
- 3-YEAR WARRANTY – INCLUDING THE BATTERY; $100,000 Connected Equipment Guarantee and FREE PowerPanel Personal Edition Management Software (Download)
The CyberPower EC850LCD Ecologic UPS Battery Backup is designed with energy efficiency in mind. It features a 850VA capacity and has a multifunction LCD panel that shows battery and power conditions. This makes it user-friendly for basic setups. With 12 outlets, including six battery backup outlets, it supports multiple devices.
In comparison, the EC850LCD offers a good balance of power and features. It is environmentally friendly, which may appeal to users conscious about energy usage. However, other models like the CyberPower CP1500PFCLCD provide higher capacity and performance for demanding setups. If you do not need high-output power, this model could be sufficient.
One limitation is its lower capacity compared to more powerful options. If your computer system requires more power, you might need to invest in a higher-capacity UPS. This model works best for average users with basic power needs.
Pros
- 850VA capacity for moderate use
- Multifunction LCD for easy monitoring
- Energy-efficient design
- 12 outlets for multiple devices
Cons
- Lower capacity compared to larger models
- Not suitable for high-demand setups
Best for: Average users looking for energy efficiency. Not ideal for: High-performance setups needing more power.
An eco-friendly choice for basic computer use.
6. Best Premium
APC BE425M UPS Battery Backup and Surge Protector for Small Electronics
- 425VA / 255W RELIABLE BACKUP POWER: Supplies short-term battery power during outages to maintain internet connectivity and allow safe shutdown of devices during power interruptions
- SMALL UPS FOR ESSENTIAL DEVICES: Delivers up to 15 minutes of runtime when powering a 100W load. Provides basic battery backup for low-power equipment like Wi-Fi routers, modems, VoIP phones, and small home-office electronics
- SURGE PROTECTION AGAINST POWER SPIKES: 6 well-spaced outlets (4 battery backup + surge protection; 2 surge-only) help protect connected electronics from damaging surges and spikes caused by lightning or power fluctuations
- COMPACT WALL-MOUNTABLE DESIGN: Space-saving form factor fits easily under desks or mounts on a wall for apartments, dorm rooms, and small workspaces
- ENHANCED PROTECTION FOR CONNECTED ELECTRONICS: Supported by a 3-Year Warranty and $75,000 Equipment Protection, offering enhanced coverage for connected devices and added assurance against power-related damage
The APC BE425M UPS Battery Backup offers reliable backup power for small electronics. With a capacity of 425VA and 255W, it is sufficient for basic devices like routers and small computers. This model is easy to use, providing around 15 minutes of runtime at a 100W load. It features multiple outlets, ensuring flexibility for different devices during outages.
Compared to other models, the BE425M is compact and straightforward. It is a good choice for users who need basic power without high capacity. While larger models like the CyberPower CP1500PFCLCD provide more power, the BE425M meets the needs of lighter users.
A downside is its lower capacity, which may not support more demanding devices adequately. If you have a system requiring more power, consider larger UPS options. For basic users needing just essential backup, this model works well.
Pros
- 425VA capacity for light use
- Compact and easy to set up
- Around 15 minutes of runtime at 100W load
- Multiple outlets for flexibility
Cons
- Not suitable for high-demand devices
- Limited runtime for more powerful setups
Best for: Light users needing basic backup. Not ideal for: Those with high-power computer systems.
A reliable choice for basic electronics.
7. Most Versatile
APC BX1500M UPS Battery Backup & Surge Protector for Computers, Electronics
- 1500VA / 900W RELIABLE BACKUP POWER: The highest VA capacity available for home use; delivers short-term battery power to keep essential devices powered during blackouts, surges, and unexpected power interruptions
- EXTENDED RUNTIME DURING OUTAGES: Provides up to 68 minutes of backup runtime at a 100W load-keeping computers, TVs, DVRs, Wi-Fi routers, modems, external drives, NAS systems, and smart home devices powered during outages
- TEN PROTECTED OUTLETS: Power your entire setup with 5 battery backup outlets for essential devices, and 5 surge-only outlets for peripherals. Plus built-in coaxial and Ethernet surge protection for added peace of mind
- AUTOMATIC VOLTAGE REGULATION (AVR): Corrects low voltage brownouts (88V+) and surges (+/-13%) without draining battery. Boosts or trims to stable 120V. Extends runtime for blackouts; Active PFC compatible for gaming PCs
- REPLACEABLE BATTERY & ENERGY STAR UPS: User-replaceable battery (APCRBC124, sold separately) for zero-downtime swaps. ENERGY STAR certified for 92%+ efficiency, cutting energy costs vs standard UPS units
- LCD DISPLAY PANEL: Features an intuitive LCD screen that displays real-time status information including battery charge level, estimated runtime, load capacity, and input voltage for easy monitoring of your power protection system
- COMPREHENSIVE SURGE PROTECTION: Safeguards connected equipment from damaging power surges and spikes with multi-level protection including battery backup outlets, surge-only outlets, coaxial line protection, and Ethernet port protection
The APC BX1500M UPS Battery Backup offers impressive power with a capacity of 1500VA and 900W. This makes it one of the most powerful options for home use. It provides extended runtime, supporting devices for up to 68 minutes at a 100W load. With multiple outlets, it can power several devices during outages, making it versatile for various setups.
In comparison to other models, the BX1500M stands out for its high capacity and runtime. For example, smaller options like the APC BE425M are not designed for extended use. If you need a sturdy UPS that can handle multiple devices, this model is an excellent option.
However, its larger size may be a drawback for those with limited space. If portability is a priority, you might prefer a more compact model like the CyberPower ST425. This UPS is best for users who need strong power support for demanding setups.
Pros
- 1500VA capacity for high-demand devices
- 68 minutes of runtime at 100W load
- Versatile with multiple outlets
- Ideal for home office and gaming
Cons
- Large and bulky design
- Might be too much for basic setups
Best for: High-demand setups needing reliable power. Not ideal for: Users with limited space.
An excellent power solution for demanding environments.
8. Best Budget
CyberPower ST625U Standby UPS Battery Backup and Surge Protector
- 625VA/360W Standby Uninterruptible Power Supply (UPS): Uses simulated sine wave output to provide battery backup power and to safeguard home office, home entertainment including computers, gaming consoles, and broadband routers
- 8 NEMA 5-15R OUTLETS: Four battery backup & surge protected outlets; Four surge protected outlets; INPUT: NEMA 5-15P plug with 5 foot power cord
- 2 USB CHARGING PORTS: Share 2.1 amps to charge and power tablets, smartphones, MP3 players, and other mobile devices; LED STATUS LIGHTS: indicates Power-On and Wiring Fault
- GREENPOWER UPS HIGH EFFICIENCY DESIGN: Reduces power consumption by utilizing a compact charger and power inverter to create an ultra-efficient backup power system for home and office use
- 3-YEAR WARRANTY – INCLUDING BATTERY; Connected Equipment Guarantee up to 100,000; PowerPanel Management Software (Available for Download); UL SAFETY CERTIFIED: Product has been tested in a UL certified lab and listed with UL as meeting or exceeding safety standards
The CyberPower ST625U Standby UPS Battery Backup provides reliable power with a capacity of 625VA and 360W. It features eight outlets, which include four battery backup ones. This makes it suitable for home offices and small devices. The simulated sine wave output ensures safe power delivery to electronic devices.
When compared to the other picks, the ST625U is a middle-ground option. It offers more capacity than the CyberPower ST425 but less than the CP1500PFCLCD. This makes it a versatile choice for users who need decent power without going for the largest models.
A limitation of the ST625U is its lower runtime compared to high-capacity options. Users with demanding setups may require a more powerful UPS to ensure they stay operational during outages. It is a solid choice for average users with moderate power needs.
Pros
- 625VA capacity for moderate use
- 8 outlets for multiple connections
- Simulated sine wave output
- Compact enough for home use
Cons
- Lower runtime for higher-demand devices
- Not suitable for heavy gaming rigs
Best for: Average users needing moderate backup. Not ideal for: High-performance computers or gaming setups.
A good option for average power needs.
Ups Compared Side by Side
The table below compares different UPS options. Use it to see power capacity, outlet types, and special features. If you need the best ups for computer system, check out the first few rows for our best recommendations.
Prices come from Amazon and change often. The price on Amazon at checkout is the one that applies.
How to Choose Ups
Power Capacity
Look for a UPS with sufficient power for your computer system. A capacity of at least 800VA is good for most setups. This allows enough time for a safe shutdown during outages. Higher capacities, like 1500VA, provide more extended backup and can support additional devices.
Number of Outlets
Check the number of outlets on the UPS. A good rule is to have at least 6-12 outlets. This ensures you can plug in your computer and other important devices. Additional outlets allow for future expansion of your setup.
Run Time
Consider how long the UPS can power your devices during an outage. Look for a minimum run time of 15-20 minutes. This time lets you safely save your work and shut down your system without losing data.
Surge Protection
Choose a UPS with built-in surge protection. This guards your devices against power spikes. Ensure it has a rating of at least 1000 joules for good protection. This extra feature keeps your equipment safe from damage.
Form Factor
Think about the UPS’s size and design. A compact model is easier to fit into tight spaces. However, larger models often have more features and capacity. Determine which type will work best for your setup.
How We Reviewed
Where our data comes from
We gathered data from reliable sources such as manufacturer websites and customer reviews. This allowed us to understand product specifications and user experiences. We reviewed around 30 models in total to find the best options.
How we built this shortlist
To create our shortlist, we focused on UPS devices with a minimum capacity of 425VA. We also looked for models with positive user feedback and solid features. The final picks represent a balance of power, features, and price.
What we ruled out and why
We ruled out any options with less than 425VA capacity or poor customer ratings. Models lacking surge protection were also excluded. These factors are important for ensuring reliable performance.
What we did not do
We did not test any products ourselves or take lab measurements. Our review is based solely on researched data and not on personal experience. None of the products were hands-on evaluated.
How often this page is updated
This page is updated regularly as new UPS models are released. We aim to refresh the information every 3-6 months to provide accurate and up-to-date recommendations. This ensures our advice remains relevant.
Frequently asked questions
What is the best ups for computer system?
The best ups for computer system is the CyberPower CP1500PFCLCD. It offers 1500VA capacity and solid protection for your devices.
How long will a UPS keep my computer running?
Run time varies by model. Most UPS devices provide 15-30 minutes of backup power, giving you time to save your work and shut down safely.
Is surge protection really necessary?
Yes, surge protection is important. It helps prevent damage from power spikes. A UPS with good surge protection can save your devices from costly repairs.
How do I choose the right UPS?
Consider power capacity, number of outlets, and run time. A minimum of 800VA capacity is often recommended for most computer systems.
Can I use a UPS for gaming?
Absolutely! A good UPS can keep your gaming rig running during outages. Look for models with high capacity and multiple outlets for all your devices.
What to look for
Power Output
Power output is important for a UPS. It must match the needs of your computer system. A higher output, like 1500VA, allows you to connect more devices. This is especially useful if you have a gaming system or multiple peripherals.
Battery Type
Most UPS devices use lead-acid batteries or lithium-ion batteries. Lead-acid batteries are more common and cost-effective. Lithium-ion batteries last longer but may cost more upfront. Choose based on your budget and usage needs.
Warranty
A solid warranty can provide confidence. Look for warranties of at least 1-3 years for the UPS. This shows the manufacturer trusts their product and offers support if issues arise.
Brand Reputation
Consider choosing UPS devices from reputable brands. Brands like APC and CyberPower are known for their reliability. Customer reviews can also reflect the brand’s quality and service, helping you make an informed choice.
User-Friendly Features
Look for features that make operation easier, such as LCD displays. These displays show battery status and run time. User-friendly designs help you monitor your UPS without confusion.
Shopping around? We have 36 more ups guides for other budgets and use cases.
Sources and standards
Background reading we checked while putting this guide together:
- ENERGY STAR computer specs ENERGY STAR (EPA/DOE)
- NIST cybersecurity guidance NIST
About the author
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