Ultimate HD 4670 512MB GDDR3 PCI-E
Sapphire 11138-15-20R, GDDR3, 128 bit, 1746 MHz, 2560 x 1600 pixels, PCI Express 2.0
Sapphire 11138-15-20R. Processor frequency: 750 MHz. Graphics card memory type: GDDR3, Memory bus: 128 bit, Memory speed: 1746 MHz. Maximum resolution: 2560 x 1600 pixels. DirectX version: 10.1, OpenGL version: 2.0. PCI bus: PCI Express 2.0. Cooling type: Passive