ASUS ENGTX550 Ti/DI/1GD5, PCI-E N. Graphics processor: GeForce GTX 550 Ti, Maximum resolution: 2560 x 1600 pixels, Graphics processor family: NVIDIA. Graphic adapter memory: 1024 MB, Graphics adapter memory type: GDDR5-SDRAM, Memory bus: 192 bit. Interface type: PCI Express 2.0