Form Factor 2U chassis supports for maximum motherboard sizes - SMC Proprietary WIO , 13.68" x 13" motherboards Processor Support Dual and Single Intel and AMD processors Available Color Black Expansion Slots 4 full-height and full-length expansion slot(s) 3 low-profile expansion slot(s) Drive Bays 8 x 3.5" hot-swap SAS3/SATA drive bay 2 x 3.5" fixed drive bay Backplane 8-port 2U SAS3 12Gbps TQ backplane, support up to 8x 3.5-inch SAS3/SATA3 HDD/SSD Peripheral Drives Optional 1 x slim DVD-ROM drive bay Optional 2 x USB 2.0 ports Optional 1 x COM port tray Optional 2 x USB 3.0 ports Front Panel Buttons Power On/Off button System Reset Button LEDs 2 Network Activity LEDs HDD activity LED Power Status LED Power Fail LED System Information LED Systems Cooling Fans 3 x 80mm heavy duty fan(s) with PWM fan(s) speed control 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 800/1000W Redundant Titanium Single Output Power Supply W/PMbus Power Efficiency 96% Total Output Power and Input 800W with Input 100 - 127Vac 1000W with Input 200 - 240Vac 1000W with Input 200 - 240Vdc AC Input Frequency 50-60Hz Output Type Backplanes (gold finger) +12V Max: 66.7A (100Vac - 127Vac) Max: 83A (200Vac - 240Vac) Max: 83A (200 - 240) +5Vsb Max: 4A / Min: 0A Power Distributor PDB-PT825-8824 O/P: 12V/75 +5V Max: 30 +3.3V Max: 24 -12V Max: 0.6 Certification Titanium Certified Regulatory (Power Supply) Power Supply Safety / EMC BSMI CCC CE/EMC FCC class A UL/CB UL/CUL Weight 52.00 LB