• 4x hot-swappable SATA/SAS drive bays
• Supports up to four 3.5" SATA or SAS disk drives;
• 1 x slim CD-ROM bay,1 x FDD bay, 4 x 3.5 " hot-swappable drive bays
• Hot-swappable HDD tray with special designed power-off and lock mechanism.
• Support CEB(12"x10.5"), ATX (12"x9.6") motherboard
• Screwless top cover
• 5x40mm ball bearing fans wall for better ventilation
• Front accessible USB port
• Smooth border prevent lacerating your skin

Specifications:

Drive Bay: 4 x hot-swappable SATA/SAS drive bays, 1 x slim CD-ROM bay, 1 x FDD bay
Cooling Fan: 5 x 40mm middle 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 CEB(12"x10.5"), ATX (12"x9.6")
CPU Compatibility: Support DP Xeon (Intel), DP Opteron (AMD), UP P4/LGA775 (Intel), UP Pentium-D (Intel), DP Nocona (Intel)
Power Supply Options: Standard 1U ATX power supply
Dimensions ( W x D x H ): 16.9" x 21.6" x 1.7 " (430mm x 550mm x 43.5mm)
Packing:Double boxes
Weight: 7.5 kg/16.5 lb (NET) 8.8 kg/19.4 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)