The RT5kVA and RT6kVA 3U Rack or Tower Uninterruptible Power Supply (UPS) offerings provide extended power protection with increased efficiency and simplified power management to safeguard high-availability of System x® and ThinkServer® server environments. With efficiency ratings of up to 98%, these compact 3U rack or tower designs can help reduce energy usage without compromising performance or reliability. The 3U Rack or Tower UPS units can be installed in a data center rack cabinet or can be used as tower UPS units in office and distributed IT environments where extended power protection is required.