APC Smart-UPS LCD 750VA 500W 230V with DB-9 RS-232/SmartSlot/USB Interface  Ref: SMT750i
APC award-winning Smart-UPS is the most popular UPS in the world for servers, storage and networks. Trusted to protect critical data and equipment from power problems by supplying clean and reliable network-grade power. In addition to legendary reliability and manageability, Smart-UPS have extremely high efficiency at low, medium and high load levels making them ideal for today's multi-core or virtualized servers that have varying load consumption. Available in a variety of form factors, there is a model for every application and budget.