Model NV-692A-KWN2 Available Color Black / Green Material Steel and Plastic Dimension 8.4 x 19.5 x 20.8 inches Weight Net: 21.08 lbs ; Gross 25.49 lbs Motherboards Micro-ATX / ATX 5.25" Drive Bay 4 (without use of exposed 3.5" drive bay) 3.5" Drive Bay 6 Hidden / 1 Exposed (converted from one 5.25" drive bay) I/O Panel USB 2.0 x 2, ESATA x 1. mic x 1, Audio x 1 (supports HD / AC97 audio) Cooling System Front: 140 x 25 mm Green LED fan x 1 / 1200 RPM / 19 dBA Top: 140 x 25 mm fan x 1 / 1200 RPM / 19 dBA (supports 120 / 140 mm fan x 2) Right Side Panel: 80 x 15mm x 1 (optional) Rear: 120mm included VGA Holder: 80x15mm fan x1 (optional)