EVGA GeForce GTX 980 4GB GAMING,Silent Cooling Graphics Card 04G-P4-1980-KR Chipset: NVIDIA GeForce GTX 980 Video Memory: 4GB GDDR5 Core Clock: 1126 MHz Memory Clock: 7010 MHz Effective Memory Interface: 256-bit Max Resolution: 4096 x 2160, Support 4x Display Monitors Recommended PSU: 500W or greater power supply