EVGA GeForce GTX 680 SC+. Graphics processor: GeForce GTX 680, Maximum resolution: 8192 x 8192 pixels, Graphics processor family: NVIDIA. Graphic adapter memory: 3072 MB, Graphics adapter memory type: GDDR5-SDRAM, Memory bus: 256 bit. Interface type: PCI Express 3.0. Shader model version: 4.1, OpenGL version: 4.2, HDMI version: 1.4. Supplementary power connectors: 2x 6-pin