Tripp Lite 6in Mini DisplayPort to HDMI Active Adapter Converter mDP to HDMI 4K x 2K @ 24/30Hz M/F 6 - 1 x Mini DisplayPort Male Digital Audio/Video - 1 x HDMI Female Digital Audio/Video - White

Plug-and-play convenience-no drivers or software needed Supports Ultra High Definition (UHD) video resolutions up to 4Kx2K, 3840 x 2160 (24Hz or 30Hz) Connect a UHD HDMI monitor to a Mac or PC with a Mini Displayport output Active adapter for use with any Mini Displayport (or Thunderbolt) port HDCP compliant