4U industrial rackmount chassis D Storm D-400-6. Combine with BPU or T Series enable hot-swappable storage capability. It also supports up to seven add-on cards and total storage capacity up to 5 storage drives for RAID configuration. It provide your server or cluster maximum reliability and performance. Optional Aluminum Body reduces total chassis weight and also provides enhanced thermal cooling solution. Features Patented Aluminum Front Panel with Locks Front Access USB2.0 x2 80 mm x1 Cooling Fan Removable Air Filter Power and HDD LED Power and Alarm Reset Switch Optional Aluminum Chassis Dimension - 27 x 22 x 12 in. Specification Standard Drive Bays - 3.5 in. Drives - 2 3.5 in. Drive ( internal) - 2, 5.25 in. Drives - 6 Indicators - Power, HDD, Temperature, Fan ( Fan/Temp require sensor board TC-ISF08 ) Switches - Power, Reset Supported PSU Type - PS2, Mini Redundant Expansion Slots - 7 Security - Front Bezel Key Lock Material of Front Bezel - Aluminum alloy Material of Handle - SECC Zinc-Coated Steel Material of Main Chassis - 1.2 mm SECC Zinc-Coated Steel Color of Front Bezel - Black Color of Main Chassis - Black Front Connector 2x USB 2.0 Air Filter - Removable and Washable Motherboard Size - 12 x 9.6 ( ATX, microATX) Cooling Fan - 1 x 80 mm Optional Fan - 80 mm x 1