Gainward GeForce® GTX 590. Graphics processor: GeForce GTX 590, Graphics processor family: NVIDIA, Processor clock speed: 607 MHz. Graphic adapter memory: 3072 MB, Graphics adapter memory type: GDDR5-SDRAM, Memory bus: 384 bit. Interface type: PCI Express 2.0. Shader model version: 5.0, OpenGL version: 4.0. Supplementary power connectors: 2x 8-pin