Material 0.7mm SECC, M / B support Mini ITX, mATX, ATX, Dimensions (DxWxH) 490mm x 198mm x 437mm, Weight (net / gross) 6.89 kg / 7.82 kg, External drive bays 4x 5.25 ”and 1x 3.5”, Internal drive bays 3x 3.5 ”and 1x 2.5”, Power supply ATX power supply (optional), Front connections 2x USB3.0 (USB3.1 Gen 1), 2x USB2.0, audio-out (AZALIA / HD-Audio), mic-in, Scope of delivery screw set, tool-free mounting accessories, PCI slots 7, Fan (optional) Front: 1x 90mm or 1x 120mm fan, Rear: 1x 80mm or 1x 90mm or 1x 120mm fan, CPU cooler height (max.) 165mm, VGA card length (max.) 280mm (400mm without hard drive cage),