Tower / 4U SuperChassis 745Supermicro's SC745 Chassis series is optimized for the latest Intel® Xeon® processor 5500 series (Nehalem) and is also compatible with previous generation Intel and AMD dual processor-based motherboards. Utilizing redundant, high-efficiency power supplies (85% and up) with Gold Level 1200W option, and 8 hot-swap 3.5" drive bays, this chassis offers reliable performance with problem-free maintenance. Designed with 100% cooling redundancy** via a combination of high-performance fans and adjustable air-shroud capable of fitting any generation motherboard, the SC745 minimizes the probability of system downtime or performance degradation from thermal-related issues. With 90-degree rotatable drive bay module, 7 tool-less expansion slots, and 6-Pin power connectors supporting up to 3 high-end graphics cards, the SC745 supports up to 3 GPUs, and it is quick to configure and easy to operate.