Read more hereThe Aurora City 17 includes the AMD Athlon 64 FX-55 processor offering unprecedented performance for an extraordinary level of realism and awesome 3D graphics. When it came to deciding the choice of video subsystem, Valve specified the high performance graphics of the same ATI Radeon X800XT graphics platform. Rounding out the specifications of the limited edition system, Valve insisted on a capacious 2GB of system RAM and dual 10,000RPM SATA Raptor hard drives ensure the fastest loading times.