10 Best Rackmount Ups 2026 in the United States
#1
Winner
Schneider Electric UPS (Rack-mountable) - AC 208 V - 6000 Watt - 6000 VA - Ethernet 10/100, USB - Output connectors: 17-6U - Black - with 208/240V to 120V Step-Down Transformer
This Schneider Electric (APC) Smart-UPS is a solid choice if you need a reliable rackmount UPS with a high power capacity of 6000 VA / 6000 watts, suitable for supporting multiple critical devices in a server rack or data center environment. Its 6U rack form factor fits well in standard racks without taking excessive space. It provides pure sine wave output, which is ideal for sensitive electronics, and offers multiple outlets (12 standard and 4 higher-power outlets) to connect a variety of equipment. The included embedded Network Management Card and software allow remote monitoring and orderly shutdown of servers, which is a useful feature for network administrators to maintain uptime and avoid data loss.
#2
Tripp Lite Eaton Series SMART1000LCDNC Cloud-Connected 1000VA Rack Mount UPS Battery Backup, Online Remote Management & Monitoring, 750W 120V, 8 Outlets, 2U Rackmount, 3-Year Warranty
The Tripp Lite Eaton SMART1000LCDNC is a 2U rackmount UPS designed to provide backup power and surge protection for small to medium IT setups. It offers 1000VA (750 watts) capacity, which can handle moderate loads like networking gear or small servers. Its runtime is quite short—only about 2 minutes at full load—making it best suited for safely shutting equipment down rather than extended backup.
#3
APC Smart-UPS RT 6000VA Rack-Mountable UPS / 6000VA/4200W - 4.4 Minute Full Load - 1 x NEMA L6-30R, 1 x NEMA L14-30R, 4 x NEMA 5-20R / SURTD6000RMXLP3U /
The APC Smart-UPS RT 6000VA Rack-Mountable UPS is designed for users needing reliable backup power in a rackmount form, making it suitable for small to medium server rooms or network closets. With a power capacity of 6000VA/4200W, it can handle substantial electrical loads, which is great for protecting multiple devices or critical equipment. The runtime at full load is relatively short—about 4.4 minutes—so this UPS is ideal for short power interruptions or allowing safe shutdown rather than extended backup use.
Top 10 Best Rackmount Ups 2026 in the United States
#1
Winner
Schneider Electric UPS (Rack-mountable) - AC 208 V - 6000 Watt - 6000 VA - Ethernet 10/100, USB - Output connectors: 17-6U - Black - with 208/240V to 120V Step-Down Transformer
Schneider Electric UPS (Rack-mountable) - AC 208 V - 6000 Watt - 6000 VA - Ethernet 10/100, USB - Output connectors: 17-6U - Black - with 208/240V to 120V Step-Down Transformer
Power Capacity (VA/Watts): 6000 VA / 6000 watts
Runtime: 2 minutes
Form Factor: Rack
Battery Type and Replacement: Lead Acid
Outlets and Connectivity: 16 outlets, NEMA, USB
Warranty and Support: No Warranty
Chosen by 1458 this week
Tripp Lite Eaton Series SMART1000LCDNC Cloud-Connected 1000VA Rack Mount UPS Battery Backup, Online Remote Management & Monitoring, 750W 120V, 8 Outlets, 2U Rackmount, 3-Year Warranty
Tripp Lite Eaton Series SMART1000LCDNC Cloud-Connected 1000VA Rack Mount UPS Battery Backup, Online Remote Management & Monitoring, 750W 120V, 8 Outlets, 2U Rackmount, 3-Year Warranty
Power Capacity (VA/Watts): 1000VA, 750 watts
Runtime: 2 minutes
Form Factor: Rack
Battery Type and Replacement: Lead-acid, user-replaceable RBC51
Outlets and Connectivity: 8 standard NEMA 5-15 outlets
Surge Protection and Filtering: 380 Joules, EMI/RFI filtering
Warranty and Support: 3-year warranty, equipment insurance
APC Smart-UPS RT 6000VA Rack-Mountable UPS / 6000VA/4200W - 4.4 Minute Full Load - 1 x NEMA L6-30R, 1 x NEMA L14-30R, 4 x NEMA 5-20R / SURTD6000RMXLP3U /
APC Smart-UPS RT 6000VA Rack-Mountable UPS / 6000VA/4200W - 4.4 Minute Full Load - 1 x NEMA L6-30R, 1 x NEMA L14-30R, 4 x NEMA 5-20R / SURTD6000RMXLP3U /
Power Capacity (VA/Watts): 6000VA/4200W
Runtime: 4.4 minutes
Form Factor: Rackmount
Battery Type and Replacement: Sealed Lead Acid, user-replaceable
Outlets and Connectivity: 2 heavy-duty NEMA, 4 standard
Surge Protection and Filtering: Built-in
Liebert GXT4 UPS 10000VA 9000W 208V/120V UPS w/Network Card, Online Double Conversion Rack Mount/Tower UPS, Uninterruptible Power Supply, Sine Wave, AVR, Battery Backup(GXT4-10000RT208)
Liebert GXT4 UPS 10000VA 9000W 208V/120V UPS w/Network Card, Online Double Conversion Rack Mount/Tower UPS, Uninterruptible Power Supply, Sine Wave, AVR, Battery Backup(GXT4-10000RT208)
Power Capacity (VA/Watts): 10,000 VA (9,000 watts)
Runtime: about 5 minutes full load
Form Factor: rackmount, also usable as tower
Battery Type and Replacement: lead-acid, hot-swappable, expandable
Outlets and Connectivity: network card for remote monitoring
Surge Protection and Filtering: online double-conversion technology
APC by Schneider Electric Smart-UPS Ultra 3000VA Rack/Tower UPS - 1U Rack/Tower - 120 V AC Input - 120 V AC Output - 5 x NEMA 5-20R, 1 x NEMA L5-30R
APC by Schneider Electric Smart-UPS Ultra 3000VA Rack/Tower UPS - 1U Rack/Tower - 120 V AC Input - 120 V AC Output - 5 x NEMA 5-20R, 1 x NEMA L5-30R
Power Capacity (VA/Watts): 3000VA (2880 watts)
Runtime: 0 minutes
Form Factor: Rack
Battery Type and Replacement: Lithium Ion
Outlets and Connectivity: 6 outlets (five NEMA 5-20R, one L5-30R)
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APC Smart-UPS 3000 VA Lithium Ion UPS, SMTL3000RMUCNC, Short Depth, Pure Sine Wave Rack Mount UPS with Network Card
APC Smart-UPS 3000 VA Lithium Ion UPS, SMTL3000RMUCNC, Short Depth, Pure Sine Wave Rack Mount UPS with Network Card
Power Capacity (VA/Watts): 3000VA / 2700W
Form Factor: 2U short-depth
Battery Type and Replacement: Lithium Ion, less maintenance
Outlets and Connectivity: 10 outlets, Network card, SmartConnect
Warranty and Support: 6 months free SmartConnect service
VERTIV PSI5 5KVA 4500W, 208VAC, RT
VERTIV PSI5 5KVA 4500W, 208VAC, RT
Power Capacity (VA/Watts): 5000VA/4500W
Runtime: 3 minutes
Form Factor: Rack
Battery Type and Replacement: Lead Acid, 5 years
Outlets and Connectivity: 4 outlets, NEMA L6-30R
Surge Protection and Filtering: Integrated surge protection
Warranty and Support: 39 month warranty
APC Smart-UPS SRT 5000VA RM 208V Online Double-Conversion UPS, Black - SRT5KRMXLT
APC Smart-UPS SRT 5000VA RM 208V Online Double-Conversion UPS, Black - SRT5KRMXLT
Power Capacity (VA/Watts): 5000 VA / 4250 Watts
Runtime: 4 minutes
Form Factor: Rack
Battery Type and Replacement: Lead Acid, replacement required
Outlets and Connectivity: 4 outlets, NEMA L6-30P
APC Smart-UPS X, Line Interactive, 3kVA, Rack/Tower Convertible 2U, 208V-230V, 8X C13+1x C19 IEC, SmartSlot, Extended runtime - 2U Rack-mountable - 3 Hour Recharge - 6 Minute Stand-by - 208 V AC, 230
APC Smart-UPS X, Line Interactive, 3kVA, Rack/Tower Convertible 2U, 208V-230V, 8X C13+1x C19 IEC, SmartSlot, Extended runtime - 2U Rack-mountable - 3 Hour Recharge - 6 Minute Stand-by - 208 V AC, 230
Power Capacity (VA/Watts): 3000 VA
Form Factor: rackmount
Battery Type and Replacement: Lead Acid, replaceable
Outlets and Connectivity: standard outlets and connectivity
Surge Protection and Filtering: surge protection and filtering
Warranty and Support: reliable warranty and support
#10
PSI5 Lithium-ION UPS, 3000VA, 2700W
PSI5 Lithium-ION UPS, 3000VA, 2700W
Power Capacity (VA/Watts): 3000VA/2700W
Runtime: 8.9 min full load, 20 min half
Form Factor: Rackmount or tower, 2U size
Battery Type and Replacement: Lithium Ion, lasts twice as long
Outlets and Connectivity: Three programmable outlets
Warranty and Support: 5-year advanced replacement warranty
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Buying Guide for the Best Rackmount Ups
When choosing a rackmount UPS (Uninterruptible Power Supply), it's important to consider several key specifications to ensure you select the right model for your needs. A rackmount UPS is designed to provide backup power and protect your equipment from power surges, outages, and other electrical disturbances. Understanding the key specs will help you make an informed decision and ensure your critical equipment remains operational during power disruptions.Power Capacity (VA/Watts)Power capacity, measured in Volt-Amps (VA) and Watts, indicates the maximum load a UPS can support. This spec is crucial because it determines how much equipment you can connect to the UPS. To navigate this spec, consider the total power consumption of all devices you plan to protect. Small setups may require a UPS with a capacity of 500-1000 VA, while larger setups with multiple servers might need 2000 VA or more. Choose a UPS with a capacity that exceeds your total power needs to ensure reliable performance.
RuntimeRuntime refers to how long the UPS can provide power to your equipment during an outage. This is important because it determines how much time you have to safely shut down your equipment or switch to an alternative power source. Runtime can vary from a few minutes to several hours. Short runtimes (5-10 minutes) are suitable for brief outages, while longer runtimes (30 minutes or more) are ideal for critical systems that need extended backup. Assess your needs based on the typical duration of power outages in your area and the criticality of your equipment.
Form FactorThe form factor of a rackmount UPS refers to its physical size and how it fits into your server rack. This is important for ensuring the UPS can be properly installed in your existing setup. Rackmount UPS units come in different sizes, typically measured in rack units (U). Common sizes include 1U, 2U, and 3U. Choose a form factor that fits within the available space in your rack and allows for proper airflow and maintenance access.
Battery Type and ReplacementThe type of battery used in a UPS and its replacement options are important for long-term maintenance and reliability. Most UPS units use sealed lead-acid (SLA) batteries, which are reliable and cost-effective. However, some models may use lithium-ion batteries, which offer longer lifespans and faster recharge times. Consider the ease of battery replacement and the availability of replacement batteries. If you need a UPS for critical applications, choose a model with hot-swappable batteries to minimize downtime during maintenance.
Outlets and ConnectivityThe number and type of outlets on a UPS determine how many devices you can connect and protect. This is important for ensuring all your critical equipment can be powered by the UPS. Look for a UPS with a sufficient number of outlets, including a mix of standard and IEC outlets if needed. Additionally, consider models with network management capabilities, such as USB or Ethernet ports, which allow for remote monitoring and management of the UPS.
Surge Protection and FilteringSurge protection and filtering are essential features that protect your equipment from power spikes and electrical noise. This is important for preventing damage to sensitive electronics and ensuring clean power delivery. Look for a UPS with robust surge protection ratings and advanced filtering technologies. Higher surge protection ratings (measured in joules) offer better protection. Choose a UPS with these features if you have sensitive or high-value equipment that requires clean and stable power.
Warranty and SupportThe warranty and support options provided by the manufacturer are important for ensuring long-term reliability and peace of mind. A good warranty covers the UPS and its batteries for a specified period, typically 2-3 years. Consider the level of customer support and availability of service centers. Choose a UPS from a reputable manufacturer that offers a comprehensive warranty and reliable support to address any issues that may arise during the UPS's lifespan.