Club3D NVIDIA GeForce GTX 660 2GB GDDR5 PCI Express 3.0 Graphics Card CGNX-X666F Chipset: NVIDIA GeForce GTX 660 Video Memory: 2GB GDDR5 Bus: PCI-Express 3.0 x16 Max. Resolution: 2560 x 1600 Connectors: DVI-I/DVI-I, HDMI, DP Core Clock: 1000 MHz Memory Clock: 6000 Mhz Dual Fan coolstream cooling