Diamond Viper 3450PE512 ATI Radeon HD 3450 PCIE 512 GDDR2 Video Card PCI-Express x16 graphics card featuring the ATI Radeon 3450 GPU for good gaming performance at a great price 512 MB of GDDR2 RAM running on a 64-bit interface at 1000 MHz; graphics processor has core clock speed of 600 MHz Supports Hybrid Graphics Technology for multi-GPU power Support for full DirectX 10.1 and Shader Model 4.1, and OpenGL 2.0 Backed by a 1-year warranty