Antec TITAN 550 EATX 10 Drive Bay 550-Watt Tower Case Removable front bezel for easy installation Double hinge door design: open the door up to 270 Ultra-quiet cooling system: - 1 rear 120mm standard fan with TriCool 3-speed switch - 2 front (optional) 92mm case fan mounts 10 Drive Bays - External 4 x 5.25inches (one with 5.25inches to 3.5inches adapter) - Internal 6 x 3.5inches Front ports: 2 x USB 2.0, 1 x IEEE 1394 (FireWire, i.Link), Audio In and Out.