The card has 700MHz 512MB GDDR2 memory and the GPU is clocked at 400MHz. Looks like this card is slightly underclocked to keep the temperatures low as most 8500 GT cards have a 450MHz GPU with 800MHz memory.
Technical specifications
Connections512 MB GDDR2 memory 128 BIT memory interface 400 MHz RAMDAC 16 stream processors PCI Express x16 interface Full support for Microsoft DirectX 10 Shader Model Version 4.0 2x/4x/8x/16x anisotropic filtering 2x/4x/6x multisampling anti aliasing modi HDTV, Full HD, PureVideo HD technology
Dual Link DVI-I out (max. 2560x1600) CRT out (2x max. 2048x1536 @85Hz) S-video & components video output (1024x768) HDTV out YPrPb (1920x1080p)