Gigabyte GV-N980G1 GAMING-4GD G1 Gaming, GeForce GTX 980, 4GB GDDR5 PCiE Video Graphics Card Flex Display Technology(patent-pending) Powered by NVIDIA GeForce GTX 980 GPU Integrated with industry's best 4GB GDDR5 memory 256-bit memory interface WINDFORCE 3X 600W cooling system Boost:1354 MHz/ Base: 1253 MHz in OC Mode Boost:1329 MHz/ Base: 1228 MHz in Gaming Mode FLEX Display Ultra Durable VGA Series WINDFORCE 600 Watt Out Dual BIOS G1 Gaming