The Club 3D CAC-1331 is an HDMI™ to DisplayPort™ 1.2 Active Adapter which allows you to transmit a HDMI™ signal into a DisplayPort™signal. This product supports DP1.2 specification with resolution up to 4096 x 2160@60Hz. Besides, it is equipped with USB Type A port to supply power in case there isn’t enough power from HDMI™ source. This Adapter is Uni-Directional. Please use one of our (Extension)HDMI™ and/or DisplayPort™ cables to connect from the adapter to your devices: In case you need assistance to choose the correct cable, please visit our website www.club-3d.com or feel free to mail us at support@club-3d.com and it will be our pleasure to assist you.