While 4K-120Hz is part of the HDMI 2.1 specification, using the right video settings can allow you to use 4K-120Hz with HDMI 2.0.
HDMI Cables for Connecting PS4, PS4 Pro, and PS5 to Gaming
4K HDMI 2.0v 60hz/8K HDMI 2.1v 120Hz Cable HDMI to HDMI Cable for
Buy the Cruxtec 0.5m HDMI 2.1 Male to Female Extension Cable
FDBRO HDMI Cable 4K@120Hz HDMI 2.0 Cable 48Gbps Adapter For RTX
Certified 8K HDMI Cable 2.1 48Gbps High Speed 4K 120Hz HDMI 2.0
8k 2.1 Cable.8k60hz 4k 120hz 144hz Hdcp 2.3 2.2 Earc - Temu
Gaming laptop outputs 4k 120HZ on HDMI 2.0HOW?! : r/GamingLaptops
4K@60Hz HDMI 2.0b Switch with HDMI Cable, Ultra HD 4K Bi
Certified HDMI 2.1 Cable 8K@60Hz 4K@120Hz Ultra HD 3D HEC eARC
8K HDMI Cable 6.6FT/2M, Ultra High-Speed 48Gbps Gold
KabelDirekt - 2m - 4K HDMI Cable (4K @120Hz & 4K @60Hz
How is this possible ? 4k@120hz HDR with HDMI 2.0B ? 😳😳😳😳 : r
CKL 2 Port USB 3.0 KVM Switch Dual Monitor HDMI 2.0 4K@60Hz(HDMI Out)