M/B size: ATX 12 x 9.6 / Micro-ATX 9.6 x 9.6 / mini-itx 6.7 x 6.7 ^^
Power supply: Support 1U single PSU or 1U Flex PSU (using braccket adaptor with chassis) ^^
Drive Bays: 1 * 5.25" + 1 * 3.5" (External. ) + 2 * 3.5" (fix. ) ^^ Support Standard I/O shield with the M/B ^^ 2 x front access USB 3.0 (compatible with USB 2.0 ) ^^ case type: rack mount 1.3U ^^ rackmount chassis depth 500mm (not includel handel) ^^
Cooling: 4x50mm fan in middle of chassis