Apple's new MacBook Pro features HDMI 2.0 and not HDMI 2.1
Amazon.com: FIBBR 8K Certified HDMI 2.1 Cable, 48Gbps Gold-Plated Connectors Braided HDMI Cable Compatible with Monitor, Laptop(PC),PS5, PS4, Xbox One, Fire TV, Apple TV & More (6.56ft) : Electronics
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8K HDMI-Compatible Cable 4K@120Hz 8K@60Hz HDMI 2.1 Cable 48Gbps Adapter For RTX 3080 eARC HDR Video Cable PC Laptop TV box PS5 - Walmart.com
Great Choice Products GCP-800579 8K Hdmi 2.1 Cable 3Ft, Arc & Cl3 For Laptop, Monitor, Ps5, Supports Hdcp 2.3/2.2