Cooler Master HAF XM High Air Flow Mid Tower Computer Case with USB 3.0 and 2 External Drive Docks Enthusiast case with the support for four 200mm fans Latch-on 90 rotated side panel and top cover for easy system access Rich I/O panel with two USB 3.0 super speed ports 8+1 expansion slots for NVIDIA 3-way SLI and AMD CrossFireX Supports up to 9 HDDs, including two X-Dock slots and one behind the motherboard tray