Form Factor 3U chassis support for motherboard size - E-ATX and ATX. Processor Support Dual and Single Intel and AMD processors Available Color Black Expansion Slots 7 full-height and full-length expansion slot(s) Drive Bays 8 x 3.5" hot-swap SAS/SATA Backplane 3U 8-Port Backplane Supports 8 x 3.5" SAS3/SATA3 HDD/SSD for X11 Platform Peripheral Drives 1 x slim DVD-ROM drive bay Front Panel Buttons Power On/Off button System Reset Button LEDs 2 Network Activity LEDs HDD activity LED Power LED Power Fail LED System Overheat LED Systems Cooling Fans 3 x 80mm Hot-swap PWM Fans 2 x 80mm rear hot-swap exhaust PWM fan(s) System Monitoring Chassis intrusion switch Operating Environment (System) Operating Temperature Range 5oC - 35oC (41oF - 95oF) Non-Operating Temperature Range -40oC - 70oC (-40oF - 158oF) Operating Relative Humidity Range 8% - 90% (non-condensing) Non-Operating Relative Humidity Range 5% - 95% (non-condensing) Power Supply 1U 800W Redundant Power Supply 76mm width, W/PMbus, Titanium Power Efficiency 96% Total Output Power and Input 800W with Input 100 - 240Vac 800W with Input 200 - 240Vdc AC Input Frequency 50-60Hz Output Type Backplanes (gold finger)