XFX PVT84GUDD3 GeForce 8600GTS XXX 730Mhz 256MB GDDR3 PCI Express x16 SLI Ready Video Card (Dual DVI / S-Video) Graphics processing unit with Nvidia GeForce 8600 GTS chipset for PCI Express slot 730 MHz clock speed 128-Bit high dynamic-range rendering DirectX 10 and SLI support HDCP ready