This is an HP QX591AV compatible Displayport to HDMI Adapter Converter - Male to Female connects your HDMI monitor or HDTV to a DisplayPort video source without the added expense of upgrading your display and without the clutter of using another cable. Supporting resolutions up to 1920x1200, this passive connector requires a DP++ port to take full advantage of HDMI video quality. It will also support a DVI signal.