Gigabyte Radeon R9 290X GPU, 4GB GDDR5, DVI x 2, HDMI, DP Graphics Card (GV-R929XD5-4GD-B) Powered by AMD Radeon R9 290X GPU, Integrated with 4GB GDDR5 memory, 512-bit memory interface, Core Clock 1000MHz GIGABYTE OC GURU II to adjust maximum core voltage and synchronize the GPU temperature and power consumption AMD Eyefinity for gaming across five displays as well as 4K monitor support Features Integrated plug and play Crossfire support via PCI Express, 28nm GPU design,4GB GDDR5, 2xDVI/HDMI/2x Mini Display Port with HDCP protection, and a 600w power requirement. AMD App: allows color correction, image sharpening, video stabilization and noise removal.