EVGA GeForce GTX 970 4GB SC GAMING, Silent Cooling Graphics Card 04G-P4-1972-KR Virtual Reality Ready DirectX12 Ready Gamestream to NVIDIA SHIELD EVGA GTX 970 features advanced technologies and class-leading graphics for incredible gaming experiences. EVGA's 24/7 Technical Support; Base Clock: 1140 MHz / Boost Clock: 1279 MHz Memory Clock: 7010 MHz Effective; CUDA Cores: 1664; Memory Detail: 4096MB GDDR5 Memory Bit Width 256 Bit / Memory Speed: 0.28ns / Memory Bandwidth: 224.3 GB/s Recommended PSU: 500W or greater power supply