Form Factor 4U chassis - supports for maximum motherboard sizes: 13.68" x 13", E-ATX and ATX motherboards Processor Support Dual and Single Intel and AMD processors Available Color Black Expansion Slots 7 low-profile expansion slot(s) Drive Bays 36 x 3.5" hot-swap HDD bays for server chassis Front Panel Buttons Power On/Off button System Reset Button LEDs 2 Network Activity LEDs Fan Fail/System Over Heat LED HDD activity LED Power Status LED Systems Cooling Fans 7 x 8cm hot-swap redundant PWM cooling 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 1280W Redundant Platinum 95%+ Super Quiet Power Supply with PMbus Power Efficiency 95% Total Output Power and Input 1000W with Input 100 - 140Vac 1280W with Input 180 - 240Vac AC Input Frequency 50-60Hz Dimensions (L x W x H) 336 x 76 x 40 mm Output Type Backplanes (gold finger) -12V Max: NAA +12V Max: 83A / Min: 0.5A (100Vac - 140Vac) Max: 106.7A / Min: 0.5A (180Vac - 240Vac) +5Vsb Max: 4A / Min: 0A +12Vsb Max: NAA Power Distributor PDB-PT847-8824 O/P: 12V/135 +5V Max: 100 +3.3V Max: 30 -12V Max: 0.6 Certification Platinum Certified Regulatory (Power Supply) Power Supply Safety / EMC BSMI CCC CE/EMC FCC class B TUV/CB UL/CUL Item Dimension (L"x W"x H") 40 x 28 x 18 Weight 146.00 LB Warranty Information 1 Year