These high speed HDMI Cables output both audio and video in full HD up to 1440p. Our HDMI Cables are all HDCP compliant and can support 4 times the resolution of a 1080p display. 1440p HD supports all HDTV formats: 1440p, 1080p, 1080i, 720p, 480p. HDMI Ethernet Channel: HDMI ethernet channel technology consolidates video, audio, and data streams into a single HDMI cable, combining the unmatched signal quality and convenience of HDMI connectivity with the power and flexibility of home entertainment networking. Audio Return Channel: Allows an HDMI-connected TV with a built-in tuner to send audio data upstream to a surround audio system, eliminating the need for a separate audio cable. Supports 3D Technology: Defines input/output protocols for major 3D video formats, paving the way for true 3D gaming and 3D home theater applications. 4K Resolution Support: 4K is shorthand for 4,000 lines wide by 2,000 lines high, or roughly four times the resolution of a 1080p display. Supports all HDTV formats: 1440p, 1080p, 1080i, 720p, 480p. HDMI - high speed with ethernet. RoHS. Made in China.