Zotac NVIDIA GeForce GTX 660 AMP! Edition 2GB GDDR5 2DVI/HDMI/DisplayPort PCI-Express Video Card ZT-60902-10M Chipset: NVIDIA GeForce GTX 660 Video Memory: 2GB GDDR5 Memory Interface: 192-bit Bus: PCI-Express 3.0 x16 Max Resolution: 3840 x 2160 Connectors: DVI-I, DVI-D, HDMI, DisplayPort