Thông số Chi Tiết Materials Polymer, mesh front bezel Dimension (W x H x D) 190 x 426 x 491.5 mm / 7.5 x 16.7 x 19.3 inch (W x H x D) Weight 5.2 kg / 11.5 lbs M/B Type MicroATX, ATX 5.25" Drive Bays 2 Exposed 3.5" Drive Bays 7 Hidden, 1 Exposed I/O Panel NSE-300-KKN1 / NSE-300-KWN1: USB 3.0 x 1 (int.), USB 2.0 x 2, Mic x 1, Audio x 1 (supports AC97 / HD Audio) NSE-300-KKN2 / NSE-300-KWN2: USB 3.0 x 2 (int.), Mic x 1, Audio x 1 (supports AC97 / HD Audio) Expansion Slots 7 Cooling System Top: 120mm fan x 2 (optional) Front (KKN1 / KWN1): 120mm fan x 2 (one SickleFlow fan installed, one optional); or 140mm fan x 1 (optional) Front (KKN2 / KWN2): 120mm fan x 2 or 140mm fan x 1 (optional) Rear: 120mm SickleFlow fan x 1 (installed) Left Side: 120/140mm fan x 2 (for KKN1 / KKN2 only) Right side: 120mm fan x 2 (optional) Power Supply Type Standard ATX PS2 Standard ATX PS2 VGA card length: 320 mm / 12.6 inch CPU cooler height: 164mm / 6.4 inch