ZOTAC NVIDIA GeForce GTX 770 4GB, GDDR5, 2 DVI, HDMI, DisplayPort, PCI-Express Graphics Card (ZT-70304-10P) Chipset: NVIDIA GeForce GTX 770 Core Clock: 1059 MHz Video Memory: 4GB GDDR5 Memory Interface: 256-bit, PCI-Express 3.0 x16 Max Resolution: 2560 x 1600 Connectors: DVI-I, DVI-D, HDMI, DisplayPort, Fansink