MSI Computer Corp. Video Graphics Card N770 TF 2GD5/OC Chipset: NVIDIA GeForce GTX 770 Core Clock: 1137 MHz (OC Mode) Video Memory: 2GB GDDR5 Memory Clock: 7010 MHz Memory Interface: 256-bit RAMDAC: 400 MHz Connectors: DVI-I, DVI-D, HDMI, Display Port