The LIAN LI PC-9F features aluminum finishing to provide superior cooling for your high-performance components. The case includes dual 120mm front fans and one 120mm rear fan for efficient ventilation. This mid-tower case can accommodate Micro ATX and ATX motherboards. In addition, the case offers space for three external 5.25’ dive bays, one 3.5� external drive bay (use one 5.25-inch to 3.5-inch converter), six internal 3.5’ drive bays and eight expansion slots. LIAN LI introduced the amazing PC-9F for the PC gaming fans and professional game players who are demanding. With Power Supply: No External 5.25" Drive Bays: 3 Internal 3.5" Drive Bays: 6 Front Ports: USB3.0 x 2 / e-SATA x1 / HD Audio Motherboard Compatibility: Micro ATX / ATX Expansion Slots: 8 120mm Fans: 2 x 120mm front fans 1 x 120mm rear fan Dimensions: 19.61" x 8.27" x 18.62"