Features: Power Supply included: TruePower 2.0 550W ATX12V v2.01 and EPS12V compatible - Precise ±3% power regulation - Dedicated power circuitry delivers more reliable output Advanced cooling system: - 1 rear 120mm TriCool™ 3-speed fan - 2 front mounts for optional 92mm fans - Side Panel vent with mount for optional 80mm fan to provide maximum cooling to the VGA card 8 Drive Bays - Front Accessible: 4 x 5.25" (with one 5.25" to 3.5” adapter) - Internal: 4 x 3.5” removable HDD trays with rubber grommets to isolate drive vibrations Front-mounted ports for easy multimedia connections - 2 x USB 2.0 - 1 x IEEE 1394 (FireWire®, i.Link®) - Audio In and Out Removable side panel with easy-access thumb screws Removable front bezel for easy access to drive bays Blue LEDs on front for Power On and HD indicators Motherboard: Fits micro and standard ATX Dimensions: - 17” (H) x 8.1” (W) x 18.5” (D) - 43cm (H) x 20.5cm (W) x 46.8cm (D)