Keep servers and other business-critical equipment running during a power outage with the Smart-UPS SRT 1000VA Rack/Tower (120V) from APC. This rack/tower convertible UPS has an output power capacity of up to 900W and comes equipped with six NEMA 5-15R outlets, RJ45 and USB Type-A management ports, and a SmartSlot interface for adding an optional expansion card. Also featured are cold start-capable and hot-swappable batteries, audible alarms, and an LCD status display.