Moshi's Mini DisplayPort to HDMI Adapter Pro enables output of ultra-high-definition 4K video and multi-channel digital surround sound to your Ultra HD TV or monitor. Advanced converter chips deliver a 60Hz refresh rate with 4:4:4 chroma sub-sampling for uncompromising video quality, and both ends of the adapter are encased in anodized aluminum to minimize electromagnetic interference. If you're serious about video quality, settle for nothing less than Moshi's 4K/60 Series of professional-grade cables and adapters. For a list of Mac computers supporting 4K/60 output and configuration instructions, please visit Apple Support for more information. Features Supports 4K UHD resolutions (3840 x 2160) at 60 fps. Aluminum casings minimize electromagnetic interference. 18.2 Gbps of bandwidth supports all High Speed HDMI features. Supports multi-channel lossless digital audio such as SACD, DTS-HD MA, or Dolby TrueHD. Full 4:4:4 chroma sub-sampling.