Cross over to the performance side with this monster gamer from Systemax. This machine is loaded with awesome components. The mid-tower chassis features a screwless design, dual 120mm silent fans, and support for 5 internal hard drives. This gamer includes the ASUS Sabertooth Intel X58 chipset motherboard, Intel Core i7 950 3.06GHz processor, 12GB of triple channel memory, USB 3.0 ports in the back, a 1TB SATA II hard drive, dual layer SATA DVDRW optical drive, integrated gigabit LAN, a modular 80 plus 850-watt power supply, and multimedia keyboard and optical mouse. In order to give you the best possible multimedia and gaming experience, Systemax also includes two ATI Radeon HD-5770 running in Crossfire mode and Windows 7 Home Premium 64-bit. This Crossfire performance gamer has been designed by Systemax to give you the gaming and multimedia experience you have been dreaming about - at a price you can afford today!