- HDMI specification 1.4 - Audio Return Channel (ARC) - Higher bandwidth up to 10.2 Gbps - 4K@30Hz, 1440P@85Hz, & 1080P@120Hz - Dolby True HD and DTS-HD Master Audio Bitstream Capable. This high quality HDMI cable fully supports 1080p+ resolutions at up to 120Hz refresh rate, with life-like color. To accommodate the demands of future high definition devices, such as increased resolutions and higher frame rates, this Ultra HD cable supports resolutions up to 4k x 2k.