Gigabyte GTX 750 Ti GDDR5-2GB 2xDVI/2xHDMI OC Graphics Cards GV-N75TWF2OC-2GI Wind Force 2X Anti-turbulence-Parallel inclined Fan Ultra Durable 2 Series OC Edition - Core Clock: Base 1215MHz / Boost 1294MHz (Standard Clock: Base 1020MHz / Boost 1085MHz) Memory Clock: 5400MHz Support 4K at 60Hz Via Two HDMI System power supply requirement: 400W