Gainward GeForce GT 630 2048MB. Graphics processor: GeForce GT 630, Graphics processor family: NVIDIA, Processor clock speed: 780 MHz. Graphic adapter memory: 2048 MB, Graphics adapter memory type: DDR3-SDRAM, Memory bus: 128 bit. Interface type: PCI Express 2.0. OpenGL version: 4.2, HDMI version: 1.4a. Compatible operating systems: Windows 7, Windows Vista, Windows XP