The Antec Twelve Hundred is the evolution of the best-selling Nine Hundred Case, expanding on its award-winning design with even more cooling, capacity, and convenience. The Twelve Hundred is incredibly robust with 12 drive bays, 7 expansion slots, and space for even the largest graphics cards. To keep the most demanding systems nice and cool, the Twelve Hundred boasts an unprecedented cooling system, with a top mounted 200mm blue LED fan, two rear blue LED 120mm fans, and three front blue LED 120mm fans to cool the HDD cages. 1 middle 120mm fan to cool CPU or graphic cards Water-cooling platform for reservoir or pump Power and reset button with blue LED 2x USB 2.0 1x eSATA HD Audio In and Out Convenient top accessory tray for a personal media player Up to standard ATX Motherboards Dimensions - Height 22.9 x Width 8.4 x Depth 20.2 (58.2x21.3x51.3cm)