Codegen 6233-A1. Power supply: 400 W. Width: 430 mm, Depth: 182 mm, Height: 425 mm. Ventilation fan(s): Front: 80mm x1 (Optional) Rear: 80mm x1 (Optional), Main board size: 304.8 x 243.8 mm (12 x 9.6 "), Supported hard disk drive interfaces: 3 x 5, 25“, 2 x 3, 5“, 6 x 3, 5“