When selecting a rack mount UPS, it’s essential to balance power capacity, reliability, and ease of management. The CyberPower CP1500PFCRM2U stands out as the best overall thanks to its high wattage and PFC sinewave output, ideal for demanding setups. The APC Smart-UPS 1500VA offers a strong combination of features and affordability, making it a popular choice for many users. Tradeoffs in this category typically involve balancing upfront cost against long-term reliability and scalability. Continue reading to explore how these options compare and which one best fits your needs.
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Key Takeaways
- High-capacity models like the CyberPower CP1500PFCRM2U excel for larger loads, but come at a higher cost.
- Pure sinewave output is vital for sensitive electronics, making premium models worth the investment for critical systems.
- Rackmount size and number of outlets vary significantly; choose based on your equipment count and space constraints.
- UL certification and build quality are consistent across top picks, ensuring safety and durability.
- Features like remote management and LCD displays are common in higher-end models, enhancing usability.
| rack mount up | Capacity | Outlets | Warranty |
|---|---|---|---|
| CyberPower CP500PFCRM1U PFC Si | 500VA/300W | 6 (4 battery backup + surge protected, 2 surge protected) | — |
| APC 2200VA Smart UPS with Smar | 2200VA / 1980W | — | — |
| APC Smart-UPS 1500VA/900W Rack | — | — | 2 years |
| Eaton Tripp Lite SMART1500LCD | 1500VA/900W | 8 NEMA 5-15R | 3 years |
| CyberPower OR700LCDRM1U Smart | 700VA/400W | 6 (4 backup + surge protected, 2 surge protected) | 3 years |
| CyberPower CP1500PFCRM2U PFC S | 1500VA/1000W | 8 NEMA 5-15R | 3 years including battery |
| CyberPower OR500LCDRM1U Smart | — | 6 | 3 years including batteries |
| CyberPower CP2000PFCRM2U PFC S | 2000VA/1200W | 8 NEMA 5-20R | 3 years including battery |
| Eaton Tripp Lite SMART1500RMXL | 1500VA | 8 | — |
More Details on Our Top Picks
CyberPower CP500PFCRM1U PFC Sinewave UPS Battery Backup and Surge Protector, 500VA/300W, 6 Outlets, 1U Rackmount, UL Certified
This model stands out for its ability to deliver a clean sinewave output, making it a strong choice for active PFC power supplies found in network gear and A/V equipment. Comparing with larger units like the APC 2200VA, the CyberPower CP500PFCRM1U is ideal for smaller setups where space is limited and power demands are modest. Its automatic voltage regulation helps smooth out power fluctuations, which can extend device lifespan. However, the 500VA capacity limits its use to low-power devices, and remote management requires an extra card, adding complexity. This pick makes the most sense for small office or home network setups that prioritize quality power without needing extensive capacity.
Pros:- Provides sinewave output ideal for active PFC power supplies
- Includes automatic voltage regulation to handle fluctuations
- Multifunction LCD displays runtime and system status
- UL safety certified with a 3-year warranty
Cons:- Limited to 500VA capacity, unsuitable for high-power devices
- Remote management requires an optional RMCARD205 card
- No network management software included
Best for: Small offices, home networks, or security setups needing reliable, compact backup power
Not ideal for: Large server rooms or high-power equipment, which demand higher capacity units
- Capacity:500VA/300W
- Outlets:6 (4 battery backup + surge protected, 2 surge protected)
- Input:15A, NEMA 5-15P
- Cord Length:10 feet
- Form Factor:1U Rackmount
- Safety Certification:UL Certified
Our verdict“This UPS suits small, critical device setups that require clean power and compact form factor, but isn’t suitable for high-demand applications.”
APC 2200VA Smart UPS with SmartConnect, Rack Mount, Sinewave, 120V
This UPS excels in providing substantial backup power with a pure sine wave, making it suitable for advanced setups needing reliable, clean power. Unlike the smaller CyberPower model, the APC SMT2200RM2UC supports nearly four times the capacity, ideal for larger server racks or multiple high-demand devices. Its SmartConnect feature enables remote monitoring and firmware updates, which is a significant advantage over non-networked units like the CyberPower OR700LCDRM1U. The main tradeoff involves its higher price and rack space requirement, which might be a concern for smaller or budget-conscious setups. It makes the most sense for users who want advanced remote management and higher capacity in a rack-mounted form.
Pros:- Provides reliable backup with pure sine wave output
- Includes remote monitoring and firmware support via SmartConnect
- Rack support rails facilitate installation
- High capacity suitable for demanding equipment
Cons:- SmartConnect trial limited to 6 months for recent units
- Higher cost compared to basic models
- Requires rack space for installation
Best for: Medium to large data centers, enterprise network closets, or small server farms needing remote oversight
Not ideal for: Small home offices or setups with limited rack space, due to its size and cost
- Capacity:2200VA / 1980W
- Input:NEMA 5-20P
- Output:(6) NEMA 5-15R, (2) NEMA 5-20R
- Technology:Line Interactive, Sinewave
- Features:SmartConnect, AVR, Rack Mount
Our verdict“Ideal for larger, professional environments seeking remote oversight and reliable, high-capacity backup power.”
APC Smart-UPS 1500VA/900W Rackmount UPS, Line Interactive, SMC1500-2UC
The APC SMC1500-2UC delivers a solid 1500VA/900W capacity with line-interactive technology, making it a dependable choice for medium-sized server rooms or network closets. Unlike the APC 2200VA, this unit offers slightly less capacity but compensates with a more affordable price point and a two-year warranty. Its remote monitoring via SmartConnect allows for easy management, but the battery replacement isn’t covered, which could result in additional costs over time. The limited to NEMA 5-15 outlets might restrict setup flexibility compared to larger units with more ports. It’s best suited for environments requiring reliable power and remote oversight without the highest capacity demands.
Pros:- Provides 1500VA/900W power capacity suitable for critical equipment
- Automatic voltage regulation extends battery life
- Remote monitoring via SmartConnect simplifies management
- Rackmount support for easy installation
Cons:- Battery replacement not included in warranty
- Limited to NEMA 5-15 outlets, which may restrict device connections
- No included network management software
Best for: Small to medium business server rooms or network closets needing remote control and sufficient backup power
Not ideal for: High-power or enterprise-level setups, where larger capacities or more outlets are necessary
- Power Capacity:1500VA / 900W
- Connection Options:Input: NEMA 5-15P, Output: (6) NEMA 5-15R
- Technology:Line Interactive
- Rack Mount Support:Yes
- Warranty:2 years
Our verdict“A reliable, mid-range UPS ideal for small to medium setups with remote management needs and moderate power demands.”
Eaton Tripp Lite SMART1500LCD 1500VA 2U Rack Mount UPS 900W Battery Backup
The Tripp Lite SMART1500LCD offers a robust 1500VA/900W capacity with a versatile 2U rackmount form, making it suitable for small server setups and network equipment. Its large LCD display provides detailed status updates, and user-replaceable batteries simplify maintenance, setting it apart from sealed units that require replacements from the manufacturer. The modified sine wave output may be a concern for sensitive equipment, unlike pure sine wave models like APC’s. While its multiple mounting options work well in tight spaces, the absence of network management software limits remote oversight. This unit is well suited for users who value detailed system monitoring and flexible installation options.
Pros:- Reliable backup with automatic voltage regulation
- Large LCD display for real-time system status
- User-replaceable batteries simplify maintenance
- Versatile mounting options for different environments
Cons:- Modified sine wave output may not suit all sensitive gear
- No network management software support
- Limited to 8 outlets without expansion options
Best for: Small business server setups or network closets needing detailed monitoring and versatile mounting
Not ideal for: High-end data centers or sensitive audio/video equipment requiring pure sine wave output
- Capacity:1500VA/900W
- Outlets:8 NEMA 5-15R
- Input Power Cord:6ft NEMA 5-15P
- Mounting Options:2U rackmount or vertical tower
- Voltage Regulation:75V to 147V
- Warranty:3 years
Our verdict“A flexible, monitor-equipped UPS suitable for small setups that prioritize detailed status updates and easy maintenance, but not ideal for sensitive equipment requiring pure sine wave power.”
CyberPower OR700LCDRM1U Smart App LCD UPS Battery Backup 700VA/400W, 6 Outlets, AVR, 1U Rackmount, UL Certified
The CyberPower OR700LCDRM1U provides a compact 700VA/400W power backup, making it ideal for small network or telecom setups where space is at a premium. Its 1U rackmount form factor allows easy installation alongside other equipment. The LCD panel offers useful real-time monitoring, and automatic voltage regulation helps stabilize power. Compared to larger models like APC 1500VA, this unit’s lower capacity limits its use to less demanding devices. The simulated sine wave output may not be suitable for sensitive equipment, and remote management requires an optional card, adding extra cost. This makes it perfect for setups where space savings outweigh higher power needs.
Pros:- Compact 1U rackmount fits in tight spaces
- Multifunction LCD panel for real-time status
- Automatic voltage regulation stabilizes power
- UL safety certified with 3-year warranty
Cons:- Simulated sine wave output may limit compatibility
- Remote management requires an optional card
- Limited to 6 outlets without expansion options
Best for: Small office or telecom setups needing space-efficient power backup with monitoring features
Not ideal for: High-power server environments or equipment with sensitive power quality requirements
- Capacity:700VA/400W
- Outlets:6 (4 backup + surge protected, 2 surge protected)
- Input:15A, NEMA 5-15P
- Form Factor:1U Rackmount
- Warranty:3 years
- Safety Certification:UL Certified
Our verdict“A space-efficient UPS ideal for small setups that need monitoring and stabilization, but not suited for high-demand or sensitive equipment.”
CyberPower CP1500PFCRM2U PFC Sinewave UPS Battery Backup, 1500VA/1000W, 8 Outlets, Rackmount, UL Certified
The CyberPower CP1500PFCRM2U stands out for its reliable sinewave output, making it ideal for active PFC power supplies like servers and networking gear. Its short-depth design maximizes space efficiency, especially in tight rack environments, while the color LCD provides real-time status updates, unlike many simpler models. Compared to the CyberPower CP2000PFCRM2U, it offers less capacity but is more compact, making it perfect for smaller setups. The main tradeoff is its limited number of outlets—only 8—which may require additional surge protectors for extensive equipment. Battery replacements could be needed after the 3-year warranty, but overall, this model delivers dependable backup for critical, space-constrained systems.
Pros:- Reliable sinewave output suitable for active PFC power supplies
- Compact, short-depth rackmount design maximizes space
- Color LCD display for detailed real-time status updates
- Automatic voltage regulation extends battery life
Cons:- Limited to 8 outlets, may require extra surge protectors
- Battery replacement may be needed after warranty period
- No USB or network management ports included
Best for: Small to medium-sized businesses or IT setups needing space-efficient, reliable power protection for essential equipment.
Not ideal for: Large data centers or setups with numerous devices, due to its limited outlet count and capacity.
- Capacity:1500VA/1000W
- Outlets:8 NEMA 5-15R
- Input Plug:NEMA 5-15P right angle, 45 degree offset
- Depth:10.5 inches
- Warranty:3 years including battery
- Connected Equipment Guarantee:$500,000
Our verdict“This UPS is ideal for space-conscious environments needing dependable power for essential equipment.”
CyberPower OR500LCDRM1U Smart App LCD UPS Battery Backup and Surge Protector, 500VA/300W, 6 Outlets, AVR, 1U Rackmount, UL Certified
The CyberPower OR500LCDRM1U offers a solid entry point for protecting smaller network and server setups, with a compact 1U rackmount form factor. Its multifunction LCD displays runtime, battery health, and power conditions, setting it apart from basic models like the CyberPower CP500PFCRM1U. However, its 500VA/300W capacity limits support to lighter loads, making it unsuitable for larger or high-powered devices. The unit’s automatic voltage regulation helps maintain consistent power, but remote management requires an optional card, adding extra cost. It’s a good choice for small office or home lab environments that prioritize monitoring and reliability over capacity.
Pros:- Reliable battery backup and surge protection
- Multifunction LCD provides detailed status info
- Automatic voltage regulation maintains stable power
- Compact 1U rackmount design
Cons:- Limited to 500VA/300W capacity, not suitable for high-power devices
- Remote management requires an optional RMCARD205 card
- Battery replacement may be needed over time
Best for: Small offices or home labs with limited power needs and a focus on monitoring and surge protection.
Not ideal for: Environments with higher power demands or multiple high-capacity devices, as its capacity is limited.
- VA:500VA
- Wattage:300W
- Outlets:6
- Form Factor:1U Rackmount
- Surge Protection Outlets:2
- Battery Backup Outlets:4
- Warranty:3 years including batteries
Our verdict“This UPS suits small-scale setups needing monitoring and basic backup without high power demands.”
CyberPower CP2000PFCRM2U PFC Sinewave UPS Battery Backup, 2000VA/1200W, 8 Outlets, Rackmount, UL Certified
The CyberPower CP2000PFCRM2U excels in supporting active PFC and conventional power supplies with a robust 2000VA/1200W capacity. Its short-depth rackmount design makes it suitable for spaces where depth is limited, similar to the CyberPower CP1500PFCRM2U, but with nearly double the capacity. The color LCD provides real-time monitoring, which is essential for managing larger loads, though it shares the same outlet count—only 8—potentially necessitating additional surge protectors. Its automatic voltage regulation enhances battery longevity, but users should be aware of potential battery replacement after the warranty. This model is best suited for growing businesses or setups with expanding power needs requiring space-efficient solutions.
Pros:- Supports active PFC and traditional power supplies
- High capacity of 2000VA/1200W in a space-efficient design
- Color LCD for detailed real-time monitoring
- Automatic voltage regulation extends battery life
Cons:- Limited to 8 outlets, may require additional surge protectors
- Battery replacement needed over time after warranty
- More expensive than lower-capacity models
Best for: Growing businesses or advanced users needing high capacity in a compact rackmount form.
Not ideal for: Small setups with minimal power needs, as it offers more capacity than necessary and might be more expensive than required.
- Capacity:2000VA/1200W
- Outlets:8 NEMA 5-20R
- Input:NEMA 5-20P, 6 ft cord
- Display:Color LCD
- Depth:10.8 inches
- Warranty:3 years including battery
Our verdict“Ideal for medium to large setups needing high capacity in a compact rackmount form without excess space consumption.”
Eaton Tripp Lite SMART1500RMXL2U 1500VA UPS with Pure Sine Wave, Rackmount, 8 Outlets, AVR, 10ft Cord
The Eaton Tripp Lite SMART1500RMXL2U offers a dependable, pure sine wave output for sensitive equipment like servers and network hardware. Its expandable runtime with additional batteries and remote management capabilities via optional web card make it the most flexible choice in this lineup. While its 10ft cord provides convenience, the larger 2U form factor and the need for extra purchase for remote management may be drawbacks for some users. Compared to the CyberPower CP1500PFCRM2U, it emphasizes expandability and remote control, but this comes with added complexity and slightly larger size. This model suits environments where long-term power resilience and remote management are priorities.
Pros:- Provides clean, pure sine wave power for sensitive devices
- Expandable runtime with additional battery modules
- Remote management via optional web card
- User-replaceable batteries for ease of maintenance
Cons:- Requires additional purchase for remote management card
- Bulkier 2U design may not suit tight spaces
- Battery replacement requires some technical knowledge
Best for: Data centers or enterprise setups requiring expandable runtime and remote monitoring capabilities.
Not ideal for: Small offices or home users with limited space or straightforward backup needs, due to its larger size and complexity.
- Capacity:1500VA
- Wattage:1440W
- Outlets:8
- Cord Length:10ft
- Form Factor:2U Rackmount
- Features:Pure Sine Wave, AVR, remote management
Our verdict“This UPS is tailored for critical systems demanding high reliability, expandability, and remote control features.”

How We Picked
Our evaluation focused on performance, build quality, usability, and value. We prioritized models with sufficient wattage for typical server and network equipment, ensuring reliable power delivery. Ease of installation, management features like LCD screens or remote monitoring, and certifications such as UL were key factors. We also considered the flexibility of outlet arrangements and overall durability, ranking products that balance these aspects most effectively for different user needs.Factors to Consider When Choosing Rack Mount Ups
Choosing the right rack mount UPS involves understanding your specific power requirements and operational environment. Beyond basic capacity, factors like sinewave output, scalability, and management features greatly influence long-term performance and ease of use. Avoiding common mistakes, such as underestimating load or ignoring certification labels, can prevent costly upgrades or failures. This guide highlights critical considerations to help you select a model that aligns with your technical demands and budget.Power Capacity and Scalability
Assess your equipment’s total power draw to select a UPS with enough VA and wattage headroom. Overloading can cause shutdowns or damage, so it’s wise to choose a model slightly above your current needs. Consider future expansion—models with additional outlets or modular designs can grow with your setup, saving money and hassle over time.
Output Waveform and Compatibility
The output waveform significantly impacts compatibility, especially with sensitive electronics like servers and networking gear. Pure sinewave models tend to be more expensive but provide cleaner power, reducing risk of damage or data corruption. Cheaper models with simulated sinewave may suffice for simple devices but can cause issues with advanced equipment.
Management Features and Monitoring
Remote management options, LCD screens, and network connectivity help monitor and control your UPS remotely, providing alerts before failures occur. These features are particularly valuable in data centers or critical environments. However, they often come at a premium—assess whether your setup justifies these extras or if basic models meet your needs.
Physical Size, Outlets, and Rack Compatibility
Ensure the UPS fits within your rack space and accommodates your equipment’s outlet configuration. Some models offer more outlets or staggered rackmount sizes, which can impact cable management. Overlooking these details may lead to cramped setups or the need for additional power strips.
Cost, Certification, and Long-term Value
While higher-priced models often deliver better features and durability, evaluate whether the added investment aligns with your operational requirements. Certification labels like UL ensure safety and reliability, which is crucial for critical infrastructure. Balancing initial cost with long-term dependability results in smarter purchasing decisions.
Frequently Asked Questions
Can I replace a rack mount UPS myself if it fails?
Yes, replacing a rack mount UPS is generally straightforward, especially if you have basic technical skills. Always disconnect the UPS from power and the equipment before removal. It’s advisable to consult the manufacturer’s manual for specific instructions, particularly for models with network management or battery replacement procedures. Proper handling and disposal of old batteries are essential for safety and environmental reasons.
How long will a typical rack mount UPS last?
The lifespan of a rack mount UPS typically ranges from 3 to 5 years, depending on usage, environment, and maintenance. Regular testing, battery replacement when needed, and keeping the unit in a cool, dry place can extend its service life. Investing in a higher-quality model often correlates with longer durability and better performance over time.
Is a sinewave UPS necessary for my setup?
If your equipment includes sensitive electronics like servers, networking gear, or medical devices, a pure sinewave UPS is highly recommended. It provides cleaner power that reduces the risk of data corruption or hardware damage. For simpler devices like routers or office PCs, a simulated sinewave might be sufficient, but opting for sinewave models adds an extra layer of safety and compatibility.
What is the difference between line-interactive and online UPS models?
Line-interactive UPS models regulate voltage fluctuations and provide backup power without fully isolating the load from the mains, making them more affordable and suitable for many applications. Online UPS systems, on the other hand, continuously convert power and offer the highest level of protection against surges and noise. They are ideal for mission-critical environments where power quality is paramount but come at a higher price and complexity.
Should I prioritize features over wattage capacity?
While features like remote management and LCD displays enhance usability, they shouldn’t come at the expense of adequate power capacity. Ensuring your UPS can handle your current load comfortably is more important to maintain reliability. Prioritize wattage capacity first, then consider additional features as supplementary benefits that improve operation and maintenance.









