…15 x 3.5" drive bays - Easy drive mounting with 24 screwless rails - Support EEB (12"x13"), CEB - 12"x10.5"), ATX (12"x9.6"), MicroATX (9.6" x 9.6") Mini ITX (6.7" x 6.7") motherboard - Rigid top cover - Supplied with 3 x 120mm Hot Swap Fan Wall and 4 x 80mm front fans,2 x 80mm rear fans for better…