• 4U rackmount design,meets EIARS-310C standard.
• 3 x 5.25" drive bays, 11 x 3.5 " drive bays
• Easy drive mounting with 24 screwless rails
• Support EEB (12"x13"), CEB(12"x10.5"), ATX (12"x9.6"), Micro ATX (9.6" x 9.6") motherboard
• Screwless top cover
• 2 x 120mm ball bearing front fans, 2 x 80mm optional rear fans for better ventilation
• Lockable front panel door
• Front accessible USB port
• Easy-accessed front changeable air filter
• Smooth border prevent lacerating your skin

Specifications:

Drive Bay: Supports eleven 3.5" drives and three 5.25"drives
Air Filter:easy accessed, changeable
Cooling Fan: 2 x 120mm front fans,2 x 80mm optional rear fans
Switch: Power ON/OFF x 1, System reset x 1
Indicator:Power ON/OFF x 1, HDD x 1, NETWORK X 2
Connector:One front accessible USB port
Motherboard Compatibility: Support EEB (12"x13"), CEB(12"x10.5"), ATX (12"x9.6"), Micro ATX (9.6" x 9.6")
Power Supply Options: Standard ATX, mini redundant power supply
Dimensions ( W x D x H ): 19" x 21.6" x 7" (483mm x 550mm x 176mm)
Packing:Double boxes
Weight: 15.5 kg/34 lb (NET) 17 kg/37.5 lb (GROSS)
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)