Form Factor 3U chassis Processor Support N/A Drive Bays JBOD Chassis : Up to 16 x 3.5 inch hot-swap HDD bays for JBOD solution Backplane BPN-SAS3-836EL2 (SAS3 12Gb/s dual Expander backplane with 16 SAS3 3.5 inch drive slots connected through 8 mini-SAS3 HD cable connectors) Front Panel Buttons : Power On/Off button System Reset Button Unit Identification (UID) button LEDs : 1 Network Activity LEDs Fans 3x 8cm hot-swap redundant PWM cooling fans 2x 8cm hot-swap exhaust fans and air shroud Operating Environment (System) Operating Temperature Range : 5oC to 35oC (41oF to 95oF) Non-Operating Temperature Range : -40oC to 60oC (-40oF to 140oF) Operating Relative Humidity Range : 8 percent to 90 percent (non-condensing) Non-Operating Relative Humidity Range : 5 percent 95 percent (non-condensing) Power Supply with Power Distributor 800/1000W Redundant Titanium Level (96 percent) Single Output Power Supplies Input : 100-127Vac / 50-60Hz 200-240Vac / 50-60Hz +12V : Max: 66.7A and Min. 0A (100-127Vac), Max: 83A Min. 0A (200-240Vac) 5V SB : Max: 4A, Min: 0A Power Supply Safety / EMC USA - UL listed, FCC Canada - CUL listed Germany - TUV Certified Europe/CE Mark EN 60950/IEC 60950-Compliant Item Dimension (L inchxW inchxH inch) N/A