The SAPPHIRE HD 6770 Vapor-X is based on the latest graphics architecture from AMD, the second generation of GPU to be built in its 40nm process. It supports the advanced graphical features of Direct X 11, & delivers spectacular video clarity, speed & visual effects, including over multiple monitors using AMD Eyefinity. Output 2 x Dual-Link DVI 1 x HDMI 1.4a 1 x Display Port GPU 860 MHz Core Clock 40 nm Chip 800 x Stream Processors Memory 1024 MB Size 128 -bit GDDR5 4800 MHz Effective Software Driver CD Accessory DVI to VGA Adapter 6 PIN to 4 PIN Power Cable