Designed for gaming, the expandable Eleven Hundred provides all the features you need for a clean, powerful build. The Eleven Hundred features nine expansion slots and enough space for a XL-ATX motherboard, which allows for GPU configurations up to three-way NVIDIA SLI or four-way AMD CrossFireXTM. The customizable enclosure also includes a top 200-millimeter fan, a rear 120-millimeter fan, and mounts for up to seven more fans for maximum cooling.