SilverStone SST-RM212-RS01 (includes RMS01 sliding rail kit) 2U Computer Case 2U single or 2U redundant Power Supply Motherboard Compatibility: E-ATX / SSI-EEB Front Ports: Power On/Off, system reset, alarm reset External 3.5 Drive Bays: 12 x 3.5 hot-swap Expansion Slots: 7 x Low profile PCI/PCIe slots 1 x Stand profile PCI/PCIe riser card (option) 80mm Fans: 3 x Hot-swap 80 x 38mm PWM fan Dimensions (H x W x D): 3.44 x 17.26 x 25.98 Weight: 21.61 lbs.