Product Description COOLER MASTER CASE K281 K281 Armor-inspired front panel with mesh design for optimized cooling Supports high-end graphics cards up to 315mm/12.4” and two USB 3.0 ports Supports up to three 120mm fans (2 pre-installed), including one 120mm red LED fan in the front Side panel with fan mounting to cool the graphics cards 3 ODD bays (1 tool-free) and 7 HDD bays (2 tool-free) for excellent expandability Washable dust filter under the PSU for easy maintenance Model RC-K281-KKN1 Available Color Full Midnight Black Materials SGCC (0.5T), HIPS Plastic, Mesh front bezel Dimension (W x H x D) 219 x 416 x 487mm / 8.6 x 16.3 x 19.1 inch Net Weight 5.0 kg / 11.0 lbs M/B Type Micro-ATX, ATX 5.25″ Drive Bays 3 (exposed) 3.5″ Drive Bays 7 (hidden) 2.5″ Drive Bays 1 (hidden) I/O Panel USB 3.0 x 2 (internal), Mic x 1, Audio x 1 (supports AC97 / HD Audio) Expansion Slots 7 Cooling System Front: 120mm red LED fan x 1 Rear: 120mm black fan x 1 Side: 120mm fan x 1 (optional) Power Supply Type Standard ATX PS2 Maximum Compatibility VGA card length: 315mm / 12.4 inch CPU cooler height: 162mm / 6.4 inch