S1221 Server Case Specifications Dimension(WxDxH) 480mmx625mmx43.7mm Sheet Metal 1.0mm SECC Mother Board Support 12"x13" and below Power Supply Support A1352406 A1462406 A1402407 CD-ROM slim riser card optional Indicators Power\ HDD\ LAN System Cooling Fans 4x B4048 fans(STD) or 4x B4028 fans(STD) Expansion Slots 1 slot Drive Bays 2x3.5" HDD bays Safety Design of anti-EMI