XFX Radeon HD 6770 1GB DDR5 PCI Express (PCI-E) Dual DVI Video Card w/HDMI, DisplayPort & HDCP Support XFX Radeon HD 6770 1GB DDR5 PCI Express Video Card General Features: AMD Radeon HD 6770 graphics processing unit (GPU) 800 stream processors 40 texture units 1 GB GDDR5 memory 128-bit memory interface 40 Texture Units 64 Z/Stencil ROP Units 16 Color ROP Units PCI Express 2.1 x16 interface AMD TeraScale 2 Unified Processing Architecture AMD Stream Technology