Point of View TGT GeForce GTX 660TI 2 GB Performance Boost. Graphics processor: GeForce GTX 660 Ti, Graphics processor family: NVIDIA, Processor clock speed: 915 MHz. Graphic adapter memory: 2048 MB, Graphics adapter memory type: GDDR5-SDRAM, Memory bus: 192 bit. Interface type: PCI Express 3.0. Shader model version: 5.0, OpenGL version: 4.2, HDMI version: 1.4a. Power consumption (typical): 150 W, Supplementary power connectors: 2x 6-pin