Chassis size650x430x178(LxWxH)mmHDD 3.5" *10 Hot-swapCD-ROM5.25" *3Back plane2* Mini-sasPSUATX or 2U or Redundant 2+1MBMax 12"x13" FanMiddle 4*8025,Rear 2*8025PCI slot7Front USBUSB2.0 *2SwitchPower on/ off LED indicatorHard disk/ Power/Lan/Steel 1.2mmFeatures:4U Rack-mount design, meets EIARS-310C standard.
3 *5.25" drive bays,10 *3.5" Hot swappable SATA or SAS drive bays
Support CEB(12"x10.5"), ATX (12"x9.6"), Micro ATX (9.6" x 9.6"), Mini-ITX (6.7" x 6.7") motherboard
6x 8025mm for better ventilation
Two front USB ports
RoHS Compliant
Environment Temperature: 0/55 °C, 32/131 °F (Operating) -20/60 °C, -4/140 °F (Non-Operating)
Relative Humidity: 5% to 95%,non-condensing
Vibration ( 5-500 Hz ):1 Grms (Operating), 2 G (Non-Operating)
Shock : 10 G(with 11ms duration, half sine wave) (Operating), 30 G (Non-Operating)