APC Smart-UPS is the popular UPS in the world for servers, storage & networks. It is trusted to protect critical data & equipment from power problems by supplying clean & reliable network-grade power. In addition to legendary reliability & manageability, Smart-UPS has extremely high efficiency at low, medium & high load levels making it ideal for today's multi-core or virtualized servers that have varying load consumption. Smart-UPS has long been considered the benchmark for all network & server UPSs. Smart-UPS features a 16-segment LED display, extended range automatic voltage regulation (AVR), & pure sine wave output on battery.