Description:Power Supply: 300W ATX12V
Drive Bays: 4 x 5.25", 2 x 3.5" external 5 x 3.5" internal
Extra Fan Option: 1 x 80mm optional fan (included)
Front Access: 2 x USB 2.0 jets
Dimensions: 8"(W) x 18 1/4"(D) x 17"(H)
300W ATX12V support Intel P4 and AMD CPU; Pentium 4 CPU mounting ; 80 mm side fan for extra cooling needs (fan included) ; Spacious interior fits motherboard size up to 12" x 11".