Gainward GeForce GTX 650 Golden Sample. Graphics processor family: NVIDIA, Processor clock speed: 1071 MHz, Graphics adapter RAMDAC: 400 MHz. Graphic adapter memory: 1024 MB, Graphics adapter memory type: GDDR5-SDRAM, Memory bus: 128 bit. Interface type: PCI Express 3.0. Shader model version: 5.0, OpenGL version: 4.2, HDMI version: 1.4a. Supplementary power connectors: 1x 6-pin