IOGEAR Online UPS Battery Back Up GBB2000N? 2000VA/1930 Watts is a high-performance UPS system with NEMA 5-20P input plug and 8 NEMA 5-20R outlets designed for most server rack configurations that support data, network and communication applications. It utilizes true double conversion with 96% power factor efficiency for all the power supplied by the UPS for critical IT equipment needs and output voltage regulation provides higher performance for critical applications. The rackmount form factor installs use only two rack spaces (2U). It ships with all mounting accessories for a four-post rackmount installation