Thông số Chi Tiết Materials Polymer, mesh front bezel Dimension (W x H x D) 190 x 426 x 501.4 mm / 7.5 x 16.7 x 19.7 inch Weight 5.6 kg / 12.3 lbs M/B Type Micro-ATX, ATX 5.25" Drive Bays 2 Exposed 3.5" Drive Bays 7 Hidden, 1 Exposed I/O Panel USB 3.0 x 2 (int.), USB 2.0 x 2, Mic x 1, Audio x 1 (supports AC97 / HD Audio) Expansion Slots 7 Cooling System Top: 120mm fan x 2 (optional) Front: 120mm fan x 2 (one white LED XtraFlo fan installed, one optional) - for KKN1/KWN1; with no PWM / LED XtraFlo - for KKN2/KWN2 Rear: 120mm XtraFlo fan (no PWM / LED) x 1 (installed) *The bundled XtraFlo fans: 3-pin Left Side: 120/140mm fan x 1 (optional) - for KKN1 / KKN2 only Right Side: 120mm fan x 2 (optional) Power Supply Type Standard ATX PS2 Standard ATX PS2 VGA card length: 320mm / 12.6 inch CPU cooler height: 164mm / 6.4 inch