Thermaltake Chaser Series Chaser MK-I (VN300M1W2N) Black SECC ATX Full Tower Computer Case ATX PS2 Power Supply Motherboard Compatibility: Micro ATX / ATX Front Ports: 2 x USB 3.0 / 2 x USB 2.0 / 1 x eSATA / 1 x MIC & Speaker 120mm Fans: Top: 2 x 200 x 200 x 30mm Fan (Optional) or 2 x 140 x 140 x 25mm (Optional) or 2 x 120 x 120 x 25mm (Optional) Bottom: 1 x 120 x 120 x 25mm (Optional) Power Supply Mounted: Bottom Side Panel Window: Transparent Window External 5.25 Drive Bays: 4 External 3.5 Drive Bays: 1 (converted from one 5.25 drive bay)