his ati radeon hd 4890 + 1gb ddr5 pcie new! his ati hd4890 pci-e 2.0 1gb 256-bit gddr5, 850/3900mhz, dual dvi/ hdmi/ hdcp, fan his ati hd4890 pci-e 2.0 1gb 256-bit gddr5, 850/3900mhz, dual dvi/ hdmi (via dongle)/ hdcp, fan