Amazon.com: Liebert PSI5 UPS - 800VA/720W 120V 2U, Line Interactive, AVR, 0.9 Power Factor, Sine Wave, rack mount, tower, Uninterruptible Power Supply, Power Backup with Surge Protection(PSI5-800RT120) : Everything Else
Tripp Lite UPS 800VA 475W Battery Back Up Tower AVR 120V USB RJ11 RJ45 - OMNIVS800 - -