-- SmartPower - runs cooler and quieter. --450W ATX12V for AMD? and Intel? systems, including Pentium? IV. -- Front mounted USB & IEEE1394 (FireWire) ports -- Washable Air filter on the front -- Lockable swing out side panel with a handle -- Quick release drive bays with release lever -- Snap-in fan mounts -- Drive rails for 5.25" devices -- Removable Side Panels Removable Drive Cages for 3.5? drives -- 10 Drive Bays: - External: 4 x 5.25", 2x 3.5" - Internal: 4 x 3.5" Cooling capacity: up to 5 x 80mm fans - 2 rear (installed) - 1 front (optional) - 1 HDD (optional> - 1 side panel (optional requires SP10FB) -- Fan Specs: - RPM 2000 - CFM 17.3 - dB(A) 25 -- Motherboards up to Standard ATX