PNY Quadro FX 5500 SDI. Graphics processor: FX 5550, Maximum resolution: 3840 x 2400 pixels, Graphics adapter RAMDAC: 400 MHz. Graphic adapter memory: 1024 MB, Graphics adapter memory type: DDR2, Memory bus: 128 bit. Interface type: PCI Express. DirectX version: 9.0c, OpenGL version: 2.0. Bundled software: Quadro Application Utilities Drivers