The Cisco UCS 5100 Series Blade Server Chassis is a crucial building block delivering a scalable and flexible blade server chassis for today's and tomorrow's data center while helping reduce TCO. The Cisco UCS 5108 Blade Server Chassis is six rack units high and can mount in a standard 19-inch rack. A chassis can accommodate both half-width and full-width blade form factors. Four hot-swappable power supplies are accessible from the front of the chassis.