If you have quality HDMI cables, they'll likely pass muster for the new HDMI 2.1 standard, as might some of your gear.
PureFiber® PRO - HDMI Pre-Terminated Hybrid Fiber Cable with HDMI 2.
HDMI 2.0 vs 2.1: Facts to Know Before Paying Your Money
HDMI 2.0 vs 2.1: Facts to Know Before Paying Your Money
HDMI 2.1 Explainer: Benefits, Supported Games, And Should I Have It Have For Next-Gen? - GameSpot
HDMI Cables for Connecting PS4, PS4 Pro, and PS5 to Gaming Projectors
Xbox Series S does not come with an Ultra High Speed HDMI 2.1 cable : r/XboxSeriesX
How Do Active HDMI Cables Work?
Monoprice 8K Certified Ultra High Speed HDMI 2.1 Cable - 8K@60Hz, 48Gbps, CL2 In-Wall Rated, 30AWG, Dynamic HDR and Dolby Vision, Supports eARC (Enhanced Audio Return Channel) 6 Feet - Black
THX launches THX Interconnect Cables to Elevate Home Theater Entertainment
