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10 Best Ups Units 2026 in the United States
#1
Winner
Vertiv Liebert GXT5 UPS - 2000VA/1800W 120V, Online Double Conversion, 2U Rack/Tower, Energy Star Certified, Lead Acid, Sine Wave, Battery Backup, 0.9 Power Factor, Colored LCD (GXT5-2000LVRT2UXL)
The Vertiv Liebert GXT5 UPS is a powerful and efficient uninterruptible power supply, offering 2000VA/1800W power capacity. This makes it suitable for protecting critical devices in both home and office environments. The UPS uses online double conversion technology, providing continuous and clean power with a 0.9 power factor, which is ideal for sensitive equipment.
Rating
10.0
Chosen by1,145
Additional Features
Most important from
6 reviews
#2
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)
The Liebert GXT4 UPS 10000VA 9000W is a robust unit designed for environments that require seamless power protection. Its high power capacity of 10000VA (9000W) makes it suitable for protecting critical servers, networking hardware, and other high-demand equipment. One of its key strengths is the online double-conversion technology, which ensures continuous power conditioning without relying on the battery, thereby extending battery life.
#3
APC Smart-UPS SRT 5000VA RM - UPS - 4250 Watt - 5000 VA SRT5KRMXLT
The APC by Schneider Electric Smart-UPS SRT 5000VA RM 208V is a robust UPS unit ideal for businesses with significant power backup needs. It has a high power capacity of 5000 VA/4250 W, making it suitable for protecting critical equipment from power interruptions. The unit features a 3U rack-mountable form factor, which is convenient for server racks and saves space. It comes with four outlets, with two each of NEMA L6-20R and NEMA L6-30R types, offering flexibility in connecting various devices. The input and output voltage of 208 V AC are standard for industrial and certain commercial applications.
Top 10 Best Ups Units 2026 in the United States
#1
Winner
Vertiv Liebert GXT5 UPS - 2000VA/1800W 120V, Online Double Conversion, 2U Rack/Tower, Energy Star Certified, Lead Acid, Sine Wave, Battery Backup, 0.9 Power Factor, Colored LCD (GXT5-2000LVRT2UXL)
Vertiv Liebert GXT5 UPS - 2000VA/1800W 120V, Online Double Conversion, 2U Rack/Tower, Energy Star Certified, Lead Acid, Sine Wave, Battery Backup, 0.9 Power Factor, Colored LCD (GXT5-2000LVRT2UXL)
Power Capacity (VA/W): 2000VA/1800W
Form Factor: 2U rack/tower
Additional Features: colored LCD, programmable output, Energy Star
Chosen by 1145 this week
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/W): 10000VA/9000W
Battery Runtime: 5 minutes at full load
Form Factor: Rack mount or tower
Additional Features: Hot-swappable batteries, integrated communications card
APC Smart-UPS SRT 5000VA RM - UPS - 4250 Watt - 5000 VA SRT5KRMXLT
APC Smart-UPS SRT 5000VA RM - UPS - 4250 Watt - 5000 VA SRT5KRMXLT
Power Capacity (VA/W): 5000 VA/4250 W
Number and Type of Outlets: 4 (2 L6-20R, 2 L6-30R)
Form Factor: 3U rack-mountable
Additional Features: Battery recharge: 1.5 hours, RoHS, Energy Star
Eaton 9SX 2000VA 1800W 120V Online Double-Conversion UPS - 6 NEMA 5-20R, 1 L5-20R Outlets, Cybersecure Network Card Option, Extended Run, Tower
Eaton 9SX 2000VA 1800W 120V Online Double-Conversion UPS - 6 NEMA 5-20R, 1 L5-20R Outlets, Cybersecure Network Card Option, Extended Run, Tower
Power Capacity (VA/W): 2000VA/1800W
Number and Type of Outlets: Six NEMA 5-20R, One L5-20R
Additional Features: Zero transfer time, Optional Cybersecure Network Card
APC by Schneider Electric Smart-UPS 3000VA LCD RM 2U 120V with Network Card
APC by Schneider Electric Smart-UPS 3000VA LCD RM 2U 120V with Network Card
Power Capacity (VA/W): 3000VA
Form Factor: 2U rackmount
Additional Features: network-grade power conditioning, high efficiency
Related Products
Up to 20% off
Vertiv Liebert GXT5 UPS - 1500VA/1350W 120V, Online Double Conversion, 2U Rack/Tower, Energy Star Certified, Lead Acid, Sine Wave, Battery Backup, 0.9 Power Factor, Colored LCD (GXT5-1500LVRT2UXL)
Vertiv Liebert GXT5 UPS - 1500VA/1350W 120V, Online Double Conversion, 2U Rack/Tower, Energy Star Certified, Lead Acid, Sine Wave, Battery Backup, 0.9 Power Factor, Colored LCD (GXT5-1500LVRT2UXL)
Power Capacity (VA/W): 1500VA/1350W
Number and Type of Outlets: 4 programmable outlets
Form Factor: rack and tower
Additional Features: colored LCD, Energy Star certified
Vertiv Liebert PSI5 Lithium Ion UPS - 1500VA 1350W 120V Line Interactive AVR 2U Rack/Tower, 0.9 Power Factor, Sine Wave, 3 Programmable Outlets, Rotating LCD Display, 5 Year Warranty(PSI5-1500RT120LI)
Vertiv Liebert PSI5 Lithium Ion UPS - 1500VA 1350W 120V Line Interactive AVR 2U Rack/Tower, 0.9 Power Factor, Sine Wave, 3 Programmable Outlets, Rotating LCD Display, 5 Year Warranty(PSI5-1500RT120LI)
Power Capacity (VA/W): 1500VA/1350W
Battery Runtime: 7.5 min full, 17.7 min half
Number and Type of Outlets: three programmable outlets
Form Factor: 2U rack/tower
Additional Features: 5-year warranty, quick recharge, LCD display
Eaton Tripp Lite Series SMART3000RM2U 3000VA Rack Mount UPS Battery Backup, Pure Sine Wave, 3000W, 7 Outlets, 120V, AVR, Network Card Option, Uninterruptible Power Supply
Eaton Tripp Lite Series SMART3000RM2U 3000VA Rack Mount UPS Battery Backup, Pure Sine Wave, 3000W, 7 Outlets, 120V, AVR, Network Card Option, Uninterruptible Power Supply
Power Capacity (VA/W): 3000VA/3000W
Battery Runtime: 11 min at half load, 4 min at full load
Number and Type of Outlets: 7 outlets, 1 L5-30R, 6 5-20R
Form Factor: 2U rackmount or tower
Additional Features: voltage regulation, sine wave, LCD, replaceable batteries
Eaton Tripp Lite Series 2200VA Smart UPS Back Up, Sine Wave, 120V, 1950W, 7 Outlets, 2U Rackmount or Tower, Network Card Option, LCD, USB, DB9, 3-Year Warranty & 250,000 Insurance (SMART2200RM2U)
Eaton Tripp Lite Series 2200VA Smart UPS Back Up, Sine Wave, 120V, 1950W, 7 Outlets, 2U Rackmount or Tower, Network Card Option, LCD, USB, DB9, 3-Year Warranty & 250,000 Insurance (SMART2200RM2U)
Power Capacity (VA/W): 2200VA/1920W
Number and Type of Outlets: 7 outlets (4 NEMA 5-15R, 4 NEMA 5-15/20R)
Form Factor: 2U rackmount or tower
Additional Features: sine wave, LCD, USB, RS232, network card slot
#10
Eaton 5P rackmount Compact 1500VA UPS
Eaton 5P rackmount Compact 1500VA UPS
Power Capacity (VA/W): 1440 VA / 1100 watts
Number and Type of Outlets: 10 NEMA 5-15R
Form Factor: Rackmount (2U height)
Additional Features: RoHS, USB cable, RS-232, rail kit
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Buying Guide for the Best Ups Units
When choosing a UPS (Uninterruptible Power Supply) unit, it's important to understand that this device will protect your electronic equipment from power interruptions, surges, and spikes. A UPS unit provides backup power to keep your devices running during short outages and allows you to safely shut them down during longer outages. To select the best UPS unit for your needs, you should consider several key specifications that will determine its suitability for your specific requirements.Power Capacity (VA/W)Power capacity, measured in Volt-Amps (VA) and Watts (W), indicates the maximum load a UPS can handle. This spec is crucial because it determines how many devices and how much power the UPS can support. To navigate this, calculate the total power consumption of the devices you plan to connect. For light usage (e.g., a single computer and monitor), a lower capacity (around 600-800 VA) may suffice. For multiple devices or more power-hungry equipment, look for higher capacities (1000 VA and above). Choose a UPS with a capacity that exceeds your total power needs to ensure reliable performance.
Battery RuntimeBattery runtime indicates how long the UPS can provide power to your devices during an outage. This is important for ensuring you have enough time to save your work and shut down devices properly. Short runtimes (5-10 minutes) are suitable for brief outages or quick shutdowns, while longer runtimes (20 minutes or more) are better for extended outages or if you need more time to complete tasks. Consider your typical power outage duration and how much time you need to safely manage your devices when choosing the right battery runtime.
Number of OutletsThe number of outlets on a UPS unit determines how many devices you can connect. This is important for ensuring all your critical devices are protected. Basic models may have 4-6 outlets, while more advanced units can have 8 or more. Assess the number of devices you need to protect and choose a UPS with enough outlets to accommodate them. Additionally, consider if you need a mix of battery-backed and surge-protected outlets for different types of devices.
Form FactorForm factor refers to the physical size and shape of the UPS unit. This is important for ensuring the unit fits in your available space. UPS units come in various forms, such as compact, tower, and rack-mounted. Compact and tower units are suitable for home or small office use, where space may be limited. Rack-mounted units are designed for server rooms or data centers. Choose a form factor that fits your space and installation requirements.
Waveform TypeWaveform type refers to the shape of the electrical output provided by the UPS. This is important for compatibility with your devices. There are two main types: simulated sine wave and pure sine wave. Simulated sine wave units are generally more affordable and suitable for basic electronics like computers and monitors. Pure sine wave units provide cleaner power and are better for sensitive or high-end equipment, such as servers and medical devices. Choose the waveform type based on the sensitivity and requirements of your connected devices.
Additional FeaturesAdditional features can enhance the functionality and convenience of a UPS unit. These may include LCD displays for monitoring status, USB ports for charging devices, network management capabilities, and software for automatic shutdown. These features are important for improving user experience and managing power more effectively. Consider which additional features are important for your use case and choose a UPS that offers those benefits.