Full Details on Amazon.com : http://www.amazon.com/gp/product/B00145CQUC?tag=tsukuyomi-20
Sapphire Radeon HD3850 512MB GDDR3 Dual DVI-I / TVO AGP Graphics Card
AGP 4X8X bus interface
256-bit GDDR3 memory interface
Microsoft DirectX 101 support
OpenGL 20 support
Unified Superscalar Shader Architecture