If you have quality HDMI cables, they'll likely pass muster for the new HDMI 2.1 standard, as might some of your gear.
Is HDMI 2.1 Important for a Gaming TV?
LIGHTNING FAST PERFORMANCE: The Belkin Ultra HD HDMI 2.1 Cable is 2.1 UHD certified, with data transfer speeds of up to 48Gbps, a quantum leap in
Belkin Ultra HD HDMI 2.1 Cable 6.6FT/2M, 4K High Speed , 48Gbps HDMI 2.1 Cord - Dolby Vision HDR & 8K@60Hz Capable, Compatible w/ Playstation, PS4
Review: Belkin Ultra HD High Speed HDMI 2.1 Cable -- fix for HDCP error on Apple TV 4K - iPhone J.D.
HDMI 2.0 vs. HDMI 2.1: What's the difference and which do I need? - Reviewed
HDMI 2.1a Specifications Updated to Include Cable Power Option
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The Best HDMI 2.1 Cables for RTX 3090 and 3080 Graphics Cards
Description:Connect to an HDMI Ultra HD display with High Dynamic Range from a DisplayPort-supported computer using the DisplayPort Active Adapter! Designed specifically for those who enjoy high-level computing, graphics, and gaming. HDMI 2.1 up to 48Gbps allows even smooth 8K video playback, especially when combined with a 60Hz frame rate and HDR creating lifelike colors and movements giving users the ultimate visual experience.
DisplayPort to HDMI 2.0A Active Adapter
The best HDMI cable for gaming on PC in 2021