Buy the Unitek C137W 1.5m HDMI2.1 Full Ultra HD (FUHD) - Supports up to 8K -... ( C137W ) online - PBTech.co.nz
HDMI Cable Ver 2.1 1.5Meter 8K (Ultra High speed backward Compatible) – Alltronic Computer Singapore
Is HDMI 2.1 Backwards Compatible: A Comprehensive Guide
Amazon.co.jp: 8K HDMI Cable, QCEs HDMI 2.1 Ultra HD High Speed Cable 2M, Backwards Compatible with 48Gbps 120Hz 4K HDMI Cable, Compatible with Apple TV Roku Netflix Nintendo Switch PS4 Pro, Xbox
1.5 Meter 8k (7680 X 4320) HDMI V2.1 Cable | Ultra High Speed HDMI Cable
DAP-Audio HDMI 2.1 AOC 8K Fibre Cable Gold plated - UHD - 30 m - cheap at LTT
Is HDMI Backwards Compatible? - Cables and Ports
8K HDMI 2.1 REAL Fiber Optic Cable Backward Compatible with HDMI 2.0/a/b/1.4/1.3 | eBay
Amazon.com: BUYER'S POINT HDMI Wall Plate | UL Listed Dual Outlet HDMI 2.1 w/ 2 Built In 6-inch Pigtails, Supports 8K, 4K, 3D, ARC, HDR and Backwards Compatible, Perfect for UHD Home