Thermaltake CA-1K1-00M1WN-00, Versa J21, Tempered Glass, 7 Expansion Slots, Cooling System Rear (exhaust) 120 x 120 x 25 mm fan (1000rpm, 16dBA), Motherboards 6.7" x 6.7" (Mini ITX), 9.6" x 9.6" (Micro ATX), 12" x 9.6" (ATX), Mid Tower Case, Drive Bays Accessible 2 x 3.5" or 2 x 2.5"(HDD Tray); 2 x 2.5"(HDD Bracket), Hidden 2 x 2.5". Perfectly designed for hardcore PC gamers, the new Versa J21 Tempered Glass Edition Mid-Tower chassis presents a sleek statement and an extraordinary thermal performance.