RAIDMAX Viper GX ATX-512WBR Black/Red Steel / Plastic ATX Mid Tower Computer Case Motherboard Compatibility: Micro ATX / ATX / Mini-ITX Front Ports: USB 3.0 x 2, Audio x 2(HD compatible) 120mm Fans: Front Fan: 120 mm Green LED Rear Fan: 120 mm Power Supply Mounted: Bottom With Power Supply: No External 5.25" Drive Bays: 3 External 3.5" Drive Bays: No Internal 3.5" Drive Bays: 7 compatible with 2.5"