HIS Radeon HD 3870
•Powered by Radeon® HD 3800 GPU
•512MB(256bit) GDDR4 memory
•320 stream processing units
•256-bit memory interface
•DirectX® 10.1 / Shader Model 4.1 support
•PCI Express® 2.0 support
•ATI CrossFireXTM multi-GPU support for highly scalable performance