RoHS Compliance Yes Form factor 2 U Standard Drive Bays 3.5" Drives: 2 5.25" Drives: 2 Indicators Power, HDD, Temperature, Fan (Fan/Temp require sensor board TC-ISF08 ) Switches Power, Reset Supported PSU Type 2U Expansion Slots 3 Security Front Bezel Key Lock Material of Front Bezel Aluminum alloy Material of Handle SECC Zinc-Coated Steel Material of Main Chassis 1.2mm SECC Zinc-Coated Steel (Japan Made) Color of Front Bezel Blue Color of Main Chassis Black Front Connector 2x USB 2.0 Motherboard Size 12 x 9.6 (ATX, microATX, mini-ITX) Cooling Fan 1x80mm Optional Fan: 60mm x3 (bracket DD-FANGUARD-6 required) Notes - low profile backplate option, P/N: DD-200-LP-PCI. - cross bar option for redundant power supplies, P/N: DD-200-R2U-BAR. Item Dimension (L inchxW inchxH inch) 27 x 22 x 9