Capable of housing today's latest and hottest CPUs, motherboards, graphics cards and even compatible with USB 3.0 devices, the Cooler Master RC-942-KKN1 is designed for building your performance system. It comes with rugged construction and easy access to installed components, providing increased reliability and making it easy for assembly, maintenance and upgrades. The Cooler Master RC-942-KKN1 case can accommodate massive storage capacities, with six 5.25" drive bays, up to five 3.5" bays and nine expansion slots which supports 3-way and 4-way SLI, and Quad CrossFireX. Excellent cooling is provided by four gigantic fans: one 230mm front red LED on/off fan, one 140mm rear fan, one 200mm top and one 200mm side fan, as well as the air duct helping cool the latest graphic cards. Advanced cable management with rubber grommets keeps the interior tidy and neat and provides a better cooling. Thanks to the adjustable VGA card holder, you can install heavy graphic cards with more stability. The transparent side window gives you a direct view of the inner system and the LED provides eye-catching fun. Easy USB 2.0, USB 3.0, IEEE 1394, e-SATA and audio connectivity is provided on the front I/O panel. This is a great case for the do-it-yourselfer who needs a lot of flexibility! Buy this product and Get Free Shipping on a Cooler Master HAF X RC-942-KKN1 Black Steel/ Plastic ATX Full Tower Computer Case for $174.99 after mail-in rebate at Rakuten.com, a $25 Savings!