Asus amd radeon hd 5450 1gb ddr3 vga dvi hdmi pci e graphics cards graphics engine amd radeon hd 5450 bus standard pci express 21 video memory ddr3 1gb hyper memory engine clock 650 mhz memory clock 900 mhz 450 mhz ddr3 memory interface 32 bit resolution dvi max resolution 2560x1600 interface d sub output yes x 1 dvi output yes x 1 dvi i hdmi output yes x 1 hdcp support yes power consumption up to 75wno additional pcie power required software asus utiliti