AVR-X2700H 7.2 Ch. 8K AV Receiver with 3D Audio | Denon™
Pioneer & Onkyo's new AV receivers support HDMI 2.1 - FlatpanelsHD
Amazon.com: 8K Fiber HDMI Cable 50ft, FURUI Fiber Optic HDMI 2.1 Cable [8K@60Hz,4K@120Hz], 48Gbps, Dynamic HDR, eARC, BT.2020 Compatible with RTX 3080/3090 Xbox Series X PS5 Denon AV Receiver LG Samsung Sony
Denon and Marantz will add HDMI 2.1 to these older receivers for $600 | Engadget
Denon AVR-X2700H 7.2 Ch. HDMI 2.1 receiver - Value Electronics
Onkyo TX-NR7100 Network AV Receiver with HDMI 2.1, DTS:X and Dolby Atm