EVGA GeForce GTX 980 Ti Super Clocked Gaming ACX 2.0 6GB GDDR5 384bit PCI-E Graphic Card (06G-P4-4995-KR) Virtual Reality Ready Great for 4K (GeForce GTX 980 Ti & above) DirectX12 Ready Gamestream to NVIDIA SHIELD EVGA "ACX 2.0+" Cooling Technology - Fine-Tuned to Perfection EVGA's 24/7 Technical Support; Base Clock: 1102 MHz / Boost Clock: 1190 MHz Memory Clock: 7010 MHz Effective; CUDA Cores: 2816; Memory Detail: 6144MB GDDR5 Recommended PSU: 600W or greater power supply