Enclosure Type ATX Mid Tower Dimensions 199(W)x432(H)x457(D)mm Materials Plastic, Steel Color Black Motherboard Compatibility Standard ATX / Micro ATX Power Supply Compatibility Standard ATX / ATX12V PCI/AGP Card Compatiblility Full Size 360mm (14.1inch) Drive Bays 5.25'' External Bay x 2 3.5'' Internal Bay x 4 2.5'' Internal Bay x 1 Cooling Components(Fans) Top - Rear 120mm Fan x 1 (1 Fan included) Front 120mm Fan x 1 (1 Fan included) Bottom - Acrylic Side - VGA Guide - I/O Ports Microphone x 1, Headphones x 1, USB 3.0 x 1, USB 2.0 x 2 Expansion Card Slots 7 Slots http://www.zalman.com/global/product/Product_Read.php?Idx=836