Thermaltake Core W200 CA-1F5-00F1WN-00 Black SPCC XL-ATX Dual-System Super Tower Computer Case Motherboard Compatibility: Mini-ITX (6.7 x 6.7) Micro ATX (9.6 x 9.6) ATX (12 x 9.6) Extend ATX (12 x 13) XL-ATX (13.6 x 10.4) Front Ports: 8 x USB 3.0 / 1 x Headphone / 1 x Mic Ports Power Supply Mounted: Bottom Side Panel Window: Transparent Window External 5.25 Drive Bays: 3 Internal 3.5 Drive Bays: 10x 2.5/3.5 (HDD Cage) with 4x 2.5/3.5 (Behind M/B Tray) Expansion Slots: 10