What HDMI cable specifications are recommended?
The following types of HDMI cables are recommended: High Speed HDMI Cable, High Speed HDMI Cable with Ethernet, Premium High Speed HDMI Cable, Premium High Speed HDMI Cable with Ethernet, and Ultra High Speed HDMI Cable. Use an HDMI cable with a thickness of 17 mm or less and shorter than 3 m for the best UHD viewing quality.
From the official Samsung TV manual, page 21
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