The Apple TV 4K will support HDMI 2.1 at least partially, 4K with HDR at 120Hz possible : r/appletv
Review: Apple TV 4K is an impressive extension of the iTunes ecosystem to the living room | AppleInsider
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Apple TV 4K (2nd generation) - Technical Specifications
Apple TV 4K (2022) review - FlatpanelsHD
The last-gen Apple TV 4K is almost half off today - The Verge
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New Apple TV 4K Supports WiFi 6, Thread and HDMI 2.1 - MacRumors
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Apple TV 4K (2022) review - FlatpanelsHD
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HDMI ARC/eARC: the one-cable TV audio tech fully explained | Digital Trends
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Review: Apple TV 4K (2d gen, 2021) (Updated) - free time
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