The Cooler Master HAF XB EVO takes the famous high Air Flow Series to a revolutionary new form factor with extreme cooling performance. The removable horizontal motherboard tray and large mesh top and front panels with two 120mm trifle front fans create a powerful front to back airflow. There is plenty of space for even the tallest high Performance tower heat sinks, thick liquid cooling radiators and up to 3 of the high-end graphics cards. A case quickly and easily transforms into a test Bench. C ideal for enthusiasts and over clockers. Two durable trifle fans included in the front (also supports a 240mm radiator) for powerful airflow. Supports a tower CPU coolers up to 180mm tall and high-end VGA up to 334mm long. Supports up to 4 HDD or SSDs by removable HDD cages. Motherboard tray can be removed to install, remove or swap components. Dual USB 3. 0 Super Speed ports and X-Dock slots in the front for Lightning fast plug-n-play I/O. Rigid carry handles on the side panels.