1. Upgrade 8K V2.1 Cable: HDMI-Compatible Cables supports 48Gbps high bandwidth, Mirror & Extend mode, Ultra HD 8K(4320p),Ultra HD 4K(2160p),QHD 2K(1440P),FHD 1080p, HD 720P, HDR, Audio Return Channel(ARC),3D, Ethernet.

2. Full Compatibility: HD2.1 Cable Male to Male Supports 8K Video @ 60Hz, Backward compatible with 4K @120Hz, 4K @144Hz ,4K @75Hz, 4K @60Hz, 5K @60Hz, 5K @30Hz, 4K @30Hz, 1440p(2K) @240Hz (4:2:0),1440p(2K) @144Hz, 1440p(2K) @120Hz, 1440p(2K) @75Hz , 1440p(2K) @ 60Hz, 1440p(2K) @30Hz, 1080p @ 240Hz, 1080p @ 144Hz, 1080p @ 120Hz, 1080p @ 60Hz, 1080p @ 30Hz, 720p @ 120Hz and 720p @ 60Hz. Earlier versions of HDTV cable (2.0b/2.0a/2.0/1.4/1.3).