HD 4890, 1GB GDDR5, PCI-E
Sapphire HD 4890 1GB GDDR5 PCI-E, 1 GB, GDDR5, 256 bit, 975 MHz, 2560 x 1600 pixels, PCI Express 2.0
Sapphire HD 4890 1GB GDDR5 PCI-E. Processor frequency: 850 MHz. Discrete graphics card memory: 1 GB, Graphics card memory type: GDDR5, Memory bus: 256 bit, Memory clock speed: 975 MHz. Maximum resolution: 2560 x 1600 pixels. DirectX version: 10.1, Dual Link DVI. Interface type: PCI Express 2.0. Cooling type: Active