Dimension 440mm(W)x175mm(H)x425mm(D) Suitable for SSI-EEB, SSI-CEB, Extended ATX, ATX, Micro-ATX External 5.25 x2 for ODD Internal 3.5 x8, 2.5"x2 PSU limitation 180mm deep Front USB3.0 x2, audio x1, MIC x1 Support graphic cards up to 13.6 inches, width restriction-5.25"