Thermaltake V4 Black Edition Value-Performance Mid Tower Gaming Chassis VM30001W2Z. Fully black-coated interior. High opening-ratio front mesh design to accelerate cool air intake. One included 120mm Blue LED rear exhaust fan with ability to upgrade to up to 4 fans. Massive expandability: 10 drive bays (4 x 5.25" ODD bays, 1 front accessible 3.5" bay, 4 internal 3.5" HDD bays, 1 internal 2.5" SSD - Solid Disk Drive bay). Thermal-friendly bottom PSU mounting allows for efficient heat removal and isolation.