PNY Verto GeForce 8600GTS 256MB Video Card Product Description PNY Verto GeForce 8600 GTS - graphics adapter - GF 8600 GTS - 256 MBDevice Type Enclosure Type Plug-in card Interface Type PCI Express x16 Graphics Processor / Vendor NVIDIA GeForce 8600 GTS Core Clock Speed 675 MHz RAMDAC Clock Speed 400 MHz API Supported OpenGL 2.0, DirectX 10 Video Memory Installed ( Max ) 256 MB - GDDR3 SDRAM