Active Mini DP to HDMI Cable (2-Pack), CableCreation 6 Feet Mini DisplayPort (DP1.2) to HDMI Adapter, 4K X 2K & 3D Audio/Video, Eyefinity Multi-Screen Support, 1.8 M/Black

Connectivityconnects a Mini DisplayPort (Mini DP, mDP, compatible with Thunderbolt 2 port) equipped desktop, laptop, or computer to an HD monitor, projector or LCD with HDMI input
NOT bi-directionalpower sources from Mini DisplayPort side to HDMI port; transmits both audio and video from computer or tablet to HDTV display monitor
High ResolutionMini DP Port support DP v1.2, which is for 1.62 Gbps, 2.7 Gbps, 5.4 Gbps link rates; HDMI Port support v1.4, and the resolution of 4Kx2K @ 30Hz (3840x2160), 1080p (Full HD) , 720p and flawless audio pass-thru for uncompressed digital 7.1, 5.1 or 2 channels
Compatibilitywith MacBook (after 2010 Version with Audio) MacBook Pro, MacBook Air, iMac, Mac mini, Mac Pro; Microsoft Surface Pro/Pro 2/Pro 3 (NOT Surface for Windows RT); Lenovo ThinkPad X1 Carbon, X230/X240s, L430/L440/L530/L540, W530/W540, Helix; Dell XPS 13/14/15/17, Latitude E7240/E7440, Precision M3800, Precision 7720; Alienware 14/17/18; Acer Aspire R7/S7/V5/V7; Intel NUC; Asus Zenbook; HP Envy 14/17; Google Chromebook Pixel etc
Compact DesignLow-profile connector does not block adjacent ports on your computer; Gold-plated connectors resist corrosion and increase connectivity; the inner braided foil shielding reduces interference and improves signal transmission quality