Supports resolutions up to 4k x 2k (4 times the resolution of 1080p) Supports frame/refresh rates of 60/120/240/480Hz Supports 3D movies and games Supports HDMI™ Ethernet and Audio Return channel Silver-solder construction eliminates the negative effects of dissimilar metals on the delicate digital signal Copper conductors are insulated, minimizing crosstalk, for error-free transmission Shielded connectors protect against unwanted EMI/RFI interference Gold-plated connectors ensure superior signal transfer