Belkin F6H500-USB UPS with Shutdown Software (8 Outlets, 500VA) (Discontinued by Manufacturer) Provides up to 28 minutes backup time Battery load capacity: 500VA (300 Watts) Comes with Bulldog Software thats compatible with Windows XP, 95/98, NT Features an 8 Outlets w/Surge Protection. 4 Outlets which provide battery backup Serial Cable interface included