RoHS Compliance Yes Form factor 3 U Standard Drive Bays 3.5" Drives: 2 3.5" Drive (internal): 1 5.25" Drives: 4 Indicators Power, HDD, Temperature, Fan (Fan/Temp require sensor board TC-ISF08 ) Switches Power, Reset Supported PSU Type 1U, 2U 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 1.2mm 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) Cooling Fan 1x60mm Optional Fan: 60mm x1, 80mm x3 (bracket DD-FANGUARD-8 required) Notes- supports power supply length up to 250mm when hotswap cages installed in the front. Item Dimension (L inchxW inchxH inch) 27 x 22 x 10