Model Brand: NZXT Model: Alpha Spec Type: ATX Mid Tower Color: Black Case Material: Steel With Power Supply: No Power Supply: No Motherboard Compatibility: ATX, m-ATX, BABY AT With Side Panel Window: No Expansion External 5.25" Drive Bays: 4 External 3.5" Drive Bays: 2 Internal 3.5" Drive Bays: 5 Expansion Slots: 7 Front Ports Front Ports: 2 x USB2.0, 2 x Audio, 1 x e-SATA Cooling System 80mm Fans: No 120mm Fans: 1 x 120mm rear fan Side Air duct: No Physical Spec Dimensions: 21.5" x 8.6" x 19.7" Weight: 13.8 lbs. Features Features: NVIDIA 8800GTX Compatible Screwless Installation