Cooler Master HAF X - Full Tower Computer Case with High Airflow Windowed Side Panel and USB 3.0 SATA dock for easy installation without the need of removing side panel Internal USB 3.0 on front I/O panel Air duct to cool the latest graphics cards Up to one 230 mm fan and three 200mm fans 9 expansion slots support 3-way and 4-way SLI and Quad CrossFireX. Power supply partition to conceal cables Rugged black coated interior GPU air duct with fan for SLI or CrossFire cooling