This all new Aluminus lightweight aluminum case is in a class by itself when it comes to dazzling looks and phenomenal performance for a wide range of systems. The Aluminus has been crafted using the finest, most durable lightweight aluminum on the market and it includes a large innovative clear side panel. This sleek chassis makes a perfect fit of all the leading motherboards. AT, Baby AT, ATX and Micro ATX it fits all mobo sizes and still offers plenty of room to grow with its 7 expansion slots. Plus, the front swing-out bezel cover can be locked for security. And the side panel and drive bays both feature quick release hardware. What puts the Aluminus at the head of its class is its fantastic airflow architecture and technology. CPU cooling and VGA cooling vents keep the air flowing coolly and effectively to preserve the integrity of your components within the most productive, heat-producing systems. The Alumnus also includes a 120 mm fan bay for even more cooling power. Specifically designed to allow cool air to flow in directly to high end video cards Meets all Intel Specifications Hides 5 1/4 inch Drives to give a professional clean look and also removable for easy access Drive Bay - 5x 5.25 inch Bays, 5 Internal 3.5 inch Hard Drive Bays with quick release & reverse mount, 2 External 3.5 inch Bays Form Factor - AT, Baby AT, ATX, Micro ATX Expansion Slots - 7 Standard Slots Case Fan Mounts - 2x 120mm Fan Mounts LEDs - Green - Power, Orange - Hard Drive Access Switches - Power, Reset Front Swing-out Bezel Cover with Lock Quick Release Side Panel with extra large clear side Large Front Panel Vent System Easy access front panel - 2 USB 2.0, 1 Firewire, 1 Headphone, 1 Microphone Dimensions - Depth 18.6 x Width 8.7 x Height 20.55 inch Color - Black