Antec SX1040BII Black Performance Series II SOHO File Server SmartPower--runs cooler and quieter ATX12V for AMD and Intel systems, including Pentium 4 10 Drive Bays: External: 4 x 5.25", 2x 3.5"; Internal: 4 x 3.5" Lockable swing out side panel with a handle Front mounted USB & IEEE1394 (FireWire) ports