Samsung Q80C: QLED UHD 4K 120 Hz TV, Full LED Local Dimming, HDMI 2.1, 50'' to 98''
Omni Gear 8K HDMI 2.1 Cable 48Gbps 10ft Certified Ultra High Speed 4K 120Hz 8K 60Hz 144Hz eARC HDR HDCP 2.2 2.3 Compatible with Dolby Vision Apple TV 4K Roku Sony Samsung
HDMI 2.1: What you need to know - CNET
8K HDMI 2.1 Certified Cable, Ultra Flexible 48Gbps HDMI Cable with 8K@60Hz, 4K@120Hz 144Hz, HDR, G-SYNC, FreeSync, eARC, Dolby, HDCP 2.3 for PC, Xbox, Apple TV, Soundbar, Samsung, Sony, LG TV (2M) :
Amazon.com: Maxonar 8K HDMI Cable 20FT, (Certified) 48Gbps Ultra High Speed Long HDMI 2.1a Cable, CL3 in Wall Rated, 10K 8K@60Hz 4K@120Hz eARC HDR10+ Dolby Compatible with PS5, Xbox Series X, Sony/LG/Samsung