Smart-UPS XL Modular 3000VA Rackmount/Tower is high performance power protection with scalable runtime for servers, and voice and data networks. Voice over Internet Protocol, e-commerce, WiFi, and data enabled PBX's are a few of the applications driving the need for Smart-UPS XL. APC Smart-UPS XL is also the perfect UPS for fileservers minicomputers, Network switches and hubs, ATM's, telecommunications systems and other mission-critical applications requiring longer runtime. With included PowerChute management software for servers and workstations, IT administrators can provide safe system shutdown and advanced UPS management. Connectivity is through a serial or USB port. Additional manageability is available through the SmartSlot. Network connection with Web browser management and/or environmental monitoring, serial port expansion, and out-of-band management options are available. The Smart-UPS XL is a UPS you can count on.