Sun Microsystems has long been synonymous with leading edge technology. Now, after years of telling the world "The Network is the Computer", Sun is poised to become the leader in the emerging network-driven economy. Forward thinking organizations are looking to Sun to lead them into the dot com future. And Sun takes its leadership commitment seriously.This Power/Fan Upgrade Kit includes: PowerSupply, A185, AC-48VDC; FanTray, Top I/ O Area (FT1), use with US IV CPUs; FanTray, Bottom Left I/ O Area (FT0), use with US IV CPUs; FanTray, Bottom Right I/ O Area (FT2), use with US IV CPUs.