10 Best Ups Units 2026 in the United States

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.

This UPS also features hot-swappable batteries that provide around 5 minutes of backup at full load, with the option to add up to six external battery cabinets for increased runtime. This flexibility is ideal for users who need extended power support during outages. The integrated communications card is another highlight, allowing for remote monitoring and management through applications like Trellis power insight. This feature ensures that users can keep an eye on power conditions and UPS performance from a distance, which is particularly useful for IT managers.

The product's form factor is versatile, as it can be used as a rack mount or tower unit, fitting various installation requirements. However, there are a few considerations to keep in mind. The unit is relatively heavy at 213 pounds, which might pose challenges during installation or relocation. Additionally, while the UPS is efficient, the initial investment might be higher compared to other models, given its capabilities and features. The Liebert GXT4 UPS is a powerful and reliable choice for those needing robust power protection and management in critical environments, although its weight and cost could be potential drawbacks for some users.

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.

One notable strength is its relatively quick battery recharge time of 1.5 hours, ensuring the unit is ready for use again swiftly after an outage. Additionally, it comes with environmental certifications like RoHS and Energy Star, indicating it meets certain environmental and energy efficiency standards. However, the unit is quite heavy at 123 pounds, which might make installation and handling challenging.

This UPS unit is best suited for data centers or businesses requiring a reliable, high-capacity power backup system.

The Vertiv Liebert GXT5 UPS (GXT5-1500LVRT2UXL) offers a robust power capacity of 1500VA/1350W, making it suitable for protecting critical equipment from power disturbances. The unit uses an online double conversion mechanism, which provides continuous and clean power to connected devices. With a power factor of 0.9, it efficiently delivers the maximum possible power to your devices.

One of the standout features is its user-friendly interface, including a colored LCD display with gravity sensing for ease of use. The UPS also includes four programmable outlets that allow you to manage and optimize battery usage based on your specific needs. However, the total battery runtime will depend on the load, and it may not be sufficient for extended outages unless supplemented with additional battery packs.

The form factor is versatile, allowing for both rack and tower configurations and contributing to its flexibility in various environments. Weighing 57.4 pounds, it is relatively heavy, which could be a consideration for some users. Some reported issues about fan noise have been addressed with updated firmware, though this might still be a point of concern for noise-sensitive environments. Additionally, the UPS is Energy Star 2.0 certified, ensuring higher efficiency and energy savings. This unit is well-suited for users needing reliable power protection for sensitive electronics, though potential buyers should consider its weight and the necessity of possible noise mitigation.