GIGABYTE GV-N220OC-1GI, GeForce GT 220, 1 GB, GDDR3, 128 bit, 2560 x 1600 pixels, PCI Express 2.0 GIGABYTE GV-N220OC-1GI. Graphics processor: GeForce GT 220, Processor frequency: 720 MHz. Discrete graphics card memory: 1 GB, Graphics card memory type: GDDR3, Memory bus: 128 bit, Memory clock speed: 1600 MHz. Maximum resolution: 2560 x 1600 pixels. DirectX version: 10.1, OpenGL version: 3.1, Dual Link DVI. Interface type: PCI Express 2.0. Cooling type: Active