Atx/microatx, 5.25 Ext Bay X 4, 3.5 Ext Bay X 2, 3.5 Int Bay X 4, System Fan (mm Excellent color harmony of blue and black UV paint coating provides sleek look and extra protection to the surface Silver X-shape frame enhances the 3D look LED lights give the chassis a different twist Hardware cage, expansion slot kits and thumbscrews are designed from user's convenience