Denon HDMI 2.1 Do You Need a 48gbps Receiver? - YouTube
Denon AVC-X4700H AV-Verstärker mit HDMI 2.1 (8K)
Denon AVR-X2700H – 7 Kanal Surround, 8K und HDMI 2.1
Amazon.com: BIFALE 8K Fiber HDMI Cable 50ft, (in-Wall Rated) HDMI 2.1 Fiber Optic Cable Support 8K@60Hz, 4K@120Hz, 48Gbps, eARC Compatible with PS5/4, Xbox Series X, RTX 3080/3090, Denon AV Receiver and More :
Denon announces first HDMI 2.1 receivers for 8K60, 4K120 pass-through - FlatpanelsHD