MSI NVIDIA GeForce GTX 680 Power Edition 2GB GDDR5 2DVI/HDMI/DisplayPort PCI-Express Video Card N680 PE 2GD5/OC Chipset: NVIDIA GeForce GTX 680 Video Memory:2GB GDDR5 Memory Interface: 256-bit Max. Resolution: 2560 x 1600 Connectors: DVI-I, DVI-D, HDMI, DisplayPort Memory Clock: 6008 MHz Core Clock: 1019 MHz