Contents
Finding the best ups for two computers can be tricky. The CyberPower CP1500PFCLCD is the top pick. It delivers 1500VA/1000W of PFC sine wave output, which is great for both standard and Active PFC devices. The APC BX1500M is a solid value choice, but it has less wattage at 900W, which limits what you can connect to it.
Users often choose between high capacity and extra outlets. The CyberPower CP1500PFCLCD provides more wattage, but the APC BX1500M has fewer outlets. This article gives you all the details on each option so you can make an informed choice.
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The Top 8
Top 8 Ups Reviewed in Detail
Here are the best UPS options to keep your computers running during power outages.
1. Top Pick
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 CP1500PFCLCD is the top pick for its balance of power and features. It delivers 1500VA/1000W of PFC sine wave output, suitable for two computers. The 12 outlets allow for many connections, making it very versatile. When compared to the APC BX1500M, it has higher power capacity and more outlets, which is beneficial for users needing to connect multiple devices. Although some may prefer models with longer runtime at lower loads, this model provides solid performance for most setups.
Compared to models like the APC BE600M1, this one clearly shines with more power and versatility. The BE600M1 is limited in power, making it less suitable for two computers. However, this pick may be overkill for users with lighter setups or fewer devices. If you are looking for a ups that can handle more power-hungry devices without failures, this is the model to choose.
One limitation is its size, as it may take up more space on your desk. Users needing a compact option might consider smaller models. Overall, it covers most needs effectively, making it a reliable choice for two computers.
Pros
- 1500VA/1000W capacity for heavy loads
- 12 NEMA 5-15R outlets for multiple devices
- Uses PFC sine wave output for sensitive electronics
Cons
- Relatively larger footprint compared to smaller models
- May be overkill for less demanding setups
Best for: users needing high power for two computers. Not ideal for: those with limited desk space.
The CyberPower CP1500PFCLCD is an excellent choice for keeping two computers running smoothly.
2. Best for Two Computers
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 APC BX1500M is a solid choice for users who need reliability without excessive features. This UPS has a capacity of 1500VA and 900W, which is sufficient for two computers. It features 10 outlets, with five designed for battery backup and surge protection. Compared to other options like the CyberPower ST425, it offers more power but fewer outlets, which is a compromise to consider. Its runtime of up to 68 minutes at a lower load is exceptional and allows for safe shutdowns during outages.
When placed alongside the CyberPower CP1500AVRLCD3, the BX1500M stands out due to its extended runtime. However, the CyberPower model offers more outlets and slightly lower wattage. Users needing to connect multiple devices should weigh these differences closely. The BX1500M is particularly suited for those requiring a reliable power supply but not necessarily needing every outlet to be used.
One honest limitation is that while it protects against surges, it does not have the same level of advanced features as higher-end models. Users seeking advanced monitoring might find this lacking. Overall, it remains a dependable option for everyday use.
Pros
- 1500VA/900W capacity for reliable power
- 10 outlets with battery backup and surge protection
- Up to 68 minutes of runtime at lower loads
Cons
- Fewer battery backup outlets compared to some models
- Lacks advanced monitoring features
Best for: users needing reliable power without excessive features. Not ideal for: those wanting many battery backup outlets.
The APC BX1500M provides dependable power for two computers with a solid runtime.
3. Most Versatile
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 is designed to keep your computer and internet running during outages. With 600VA and 330W of power, it can support basic setups, including one computer and peripherals. This model is compact and easy to place under a desk. However, it might struggle under the load of two computers at once. While its runtime of up to 23 minutes at 100W is decent, it’s not as effective for setups needing more power.
When comparing it to models like the CyberPower EC850LCD, the BE600M1 shows its limits. The CyberPower model offers more power and outlets, making it more versatile for users with multiple devices. Thus, the APC BE600M1 is best suited for basic use with one computer and essential devices, like a router.
One clear limitation is its low capacity. Users who need a backup for two computers will find it inadequate. If you are looking for a small UPS for less demanding devices, this is a solid option, but it won’t meet the needs of more powerful systems.
Pros
- Compact design fits easily under desks
- Provides safe shutdown for connected devices
- Decent runtime for basic use
Cons
- Low power capacity for two computers
- Limited runtime at higher loads
Best for: basic setups needing backup power. Not ideal for: users with two computers.
The APC BE600M1 is best for basic setups but struggles with multiple devices.
4. Best for Daily Use
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 is an intelligent UPS that provides reliable power. With 1500VA and 900W capacity, it can effectively support two computers. It has an LCD panel, which displays important information about battery and power conditions. This feature is helpful for monitoring your UPS performance. Compared to the APC BX1500M, it offers fewer outlets but maintains a good balance of power and usability.
When placed alongside the CyberPower EC850LCD, the CP1500AVRLCD3 stands out for its display features and better power capacity. The EC850LCD is a more budget-friendly option but sacrifices some features and power. Users should think about whether they need the LCD display, which can help manage power use.
One downside is the limitation in the number of outlets. Users who need to connect multiple devices may need to look elsewhere or use an additional power strip. Overall, it’s a solid option for those who want a little more control over their power supply.
Pros
- 1500VA/900W capacity for reliable performance
- Intelligent LCD panel for monitoring power use
- Suitable for workstations and home entertainment
Cons
- Fewer outlets than some competing models
- LCD may not be necessary for all users
Best for: users wanting intelligent monitoring features. Not ideal for: those needing many outlets.
The CyberPower CP1500AVRLCD3 is a solid choice for users wanting power monitoring.
5. Best Design
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 is designed for eco-conscious users needing reliable power. With a capacity of 850VA and 480W, it can power two computers but with limited time. It features an Eco Mode that helps save energy and reduce costs. Compared to the CyberPower CP1500PFCLCD, it has lower capacity and fewer features, but is more budget-friendly for basic needs. This model is compact, making it suitable for small spaces.
When compared to the APC BE600M1, the EC850LCD offers more power and features. However, it is still limited in runtime at higher loads. Users can expect decent performance for less demanding devices. It can effectively support two computers but only if the load is managed carefully.
One tradeoff is the limited number of outlets since it has only 6. Users with several devices may need to choose which ones to connect. Overall, it’s a good option if saving energy is a priority.
Pros
- Eco Mode helps to save energy and costs
- Compact design suitable for small spaces
- LCD panel for monitoring conditions
Cons
- Limited number of outlets
- Lower power capacity for heavy loads
Best for: users prioritizing energy efficiency. Not ideal for: those with multiple high-demand devices.
The CyberPower EC850LCD is a great choice for eco-conscious users needing reliable power.
6. Best for Small Spaces
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 is designed for small electronics and basic setups. With a 425VA and 255W capacity, it can handle a single computer or router. This model provides enough protection for low-power devices. When compared to the CyberPower ST425, it offers similar capacity but fewer features. Users needing support for two computers will find this model lacking in power and outlets.
In contrast to the APC BX1500M, the BE425M falls short in terms of power and runtime. The BX1500M is better suited for users with more demanding setups. However, the BE425M is compact, making it a good choice for very basic needs.
One clear limitation is that it cannot support two computers effectively. If you’re looking for a basic UPS, this one will work, but it won’t meet the needs of more sturdy systems. Overall, it’s a reliable choice for low-power devices but not for more complex setups.
Pros
- Compact design for small electronics
- Easy to use for basic setups
- Provides enough power for minimal devices
Cons
- Low power capacity for two computers
- Limited runtime for higher loads
Best for: basic electronics and low-power devices. Not ideal for: two computers or demanding setups.
The APC BE425M is good for basic needs but lacks power for two computers.
7. Best Budget
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 provides reliable backup power for users with essential devices. With a capacity of 1500VA and 900W, it can keep your electronics running during outages. This model is compact and has multiple outlets, ensuring versatility. However, it may not be the best choice for users with heavier setups, as its runtime may decrease at higher loads. Compared to the CyberPower CP1500PFCLCD, it has similar power capacity but lacks some advanced features.
When looking at the CyberPower ST625U, the BX1500M offers more power and better runtime. The ST625U is better for light use and smaller devices. If you need reliable power for two computers, the BX1500M is a strong contender.
One limitation is that it doesn’t provide advanced monitoring features. Users wanting detailed information on power consumption may find this lacking. However, it remains a dependable choice for most general setups.
Pros
- 1500VA/900W capacity for essential devices
- Multiple outlets for versatile use
- Compact design fits well in various spaces
Cons
- May struggle with high-power setups
- Lacks advanced monitoring features
Best for: reliable backup for essential devices. Not ideal for: heavy-duty setups with high power demand.
The APC BX1500M is reliable for essential devices but limited for heavier use.
8. Best Heavy-Duty
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 is a compact UPS that offers basic protection for low-power devices. With a capacity of 625VA and 360W, it is best suited for simple setups rather than two computers. This model is straightforward and user-friendly but has limited power. Compared to the CyberPower CP1500PFCLCD, it is less powerful and offers fewer features. Users looking for something more sturdy may want to consider higher capacity options.
When looking at the APC BE600M1, the ST625U is more compact but provides less power. The BE600M1 is more suitable for basic setups but can support a single computer. Users needing to connect multiple devices will find both models lacking.
One significant tradeoff is its limited capacity, making it unsuitable for two computers. If your needs are minimal, it works well, but it won’t support demanding devices. Overall, it is a basic UPS for very light use.
Pros
- Compact size for easy placement
- User-friendly design for simple setups
- Basic protection for low-power devices
Cons
- Low power capacity for two computers
- Limited features compared to higher-end models
Best for: minimal setups with low power needs. Not ideal for: users needing support for two computers.
The CyberPower ST625U is suitable for light use but not for demanding setups.
Ups Compared Side by Side
The table below compares key features of the best ups for two computers. The columns show power capacity, outlet options, and unique features. You should look at the power capacity and outlet options based on your setup and needs.
Prices come from Amazon and change often. The price on Amazon at checkout is the one that applies.
How We Reviewed
Where our data comes from
Our data comes from official manufacturer specifications, customer reviews, and expert articles. We gathered details on top products available on the market. This ensured we had accurate information on each UPS option.
How we built this shortlist
We reviewed around 30 UPS models. We focused on those with sufficient power for two computers and looked for reliable brands. We prioritized models with features like multiple outlets and sine wave output.
What we ruled out and why
We removed models that did not meet the power needs for two computers. We also excluded systems with less than 600VA capacity because they can’t support multiple devices effectively. Any model with poor customer ratings was also set aside.
What we did not do
We did not conduct hands-on testing or lab measurements for this article. We relied solely on the specifications and feedback from users. No ratings or scores were invented.
How often this page is updated
This page will be updated regularly to reflect new products and user feedback. We plan to review it every six months to make sure all information is current and accurate.
How to Choose Ups
Power Capacity
Look for a UPS with at least 800VA if you need to power two computers. This ensures both devices can run during a blackout. A higher capacity gives you more backup time and allows for extra devices.
Number of Outlets
Consider how many devices you want to connect. A UPS with at least 6 outlets is ideal for two computers, a router, and other devices. Make sure some outlets provide battery backup and surge protection.
Sine Wave Output
Choose a UPS with pure sine wave output if your devices require it. This type protects sensitive electronics better. Look for models that specify sine wave output for optimal performance.
Runtime
Check the runtime at a typical load. Aim for at least 20 minutes at 100W for two computers. This gives you time to save work and shut down safely during an outage.
Design and Size
Consider the design and size of the UPS. If you have limited space, look for a compact model. Some models are designed to fit easily under a desk or on a shelf.
What to look for
Power Capacity
Power capacity refers to how much power a UPS can provide. This is measured in volt-amperes (VA) or watts (W). For two computers, aim for at least 800VA or 600W. This ensures your devices get enough power during outages.
Outlet Configuration
Count the outlets you need. A good UPS for two computers should have at least 6 outlets. Some should provide battery backup, while others are just surge protected. Ensure that you can connect all necessary devices.
Runtime Duration
Runtime duration is how long a UPS can keep your devices powered during an outage. Look for at least 20 minutes at a 100W load for two computers. Longer runtimes give you more time to save work and shut down safely.
Form Factor
The form factor is how the UPS is designed. Some are small, while others are larger. If space is limited, go for a compact model that can fit under your desk. Consider how it will fit in your work area.
Safety Features
Safety features protect your devices from power surges and spikes. Look for models with surge protection and automatic voltage regulation (AVR). These features help prevent damage to your computers and other equipment.
Frequently asked questions
What is the best ups for two computers?
The best ups for two computers is the CyberPower CP1500PFCLCD. It offers 1500VA/1000W capacity and sine wave output.
How many outlets should a UPS have?
For two computers, a UPS should have at least 6 outlets. This allows room for the computers and other devices like routers.
What is sine wave output?
Sine wave output is a smooth power signal that protects sensitive electronics. It’s ideal for devices with Active PFC power supplies.
How long can a UPS power two computers?
The runtime depends on the UPS capacity. Typically, look for around 20 minutes at a 100W load for two computers.
Do I need surge protection on my UPS?
Yes, surge protection is essential. It helps prevent damage to your computers from power spikes and surges.
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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