ZOTAC NVIDIA GeForce GTX 670 2 GB DDR5 2DVI/HDMI/DisplayPort PCI-Express Video Card ZT-60301-10P Chipset: NVIDIA GeForce GTX 670 RAMDAC: 400MHz Video Memory: 2 GB DDR5 Memory Clock: 6008MHz Memory Interface: 256-bit Bus: PCI-Express 3.0 x16 Max Resolution: 3840 x 2160