The OEM Tripp Lite Internet Office 550VA Tower UPS TRPINTERNET550U provides reliable standby power protection for PCs and peripherals against blackouts, brownouts, and surges. It features USB communication ports that work with free PowerAlert software for unattended automatic shutdown. With a power capacity of 550VA/300W, it offers 8 outlets and a 10-minute runtime at half load. This UPS operates with 99% line-mode efficiency, helping to save energy and reduce operating costs. It comes with $100k Ultimate Lifetime Insurance and a 3-year warranty.