Ultra high speed HDMI 2.1 spec released, with a new cable to boot

The HDMI Forum's Technical Working Group has released the specs for HDMI 2.1, as well as a new Ultra High Speed HDMI cable. Some of the 2.1 spec's features will be backward compatible with your existing HDMI 2.0 cable, others will require you to upgrade.

Unitek C11031DGY 8K Hdmi2.1 Active Optical Cable30M(98ft)

HDMI 2.1 Compliance Certification Explained

Ubluker 10K 8K 4K HDMI 2.1 Cable 5M, Certified Ultra High Speed HDMI Cable 4K 120Hz 144Hz 8K 60Hz Arc eARC 48Gbps HDR10+ Dolby Atmos HDCP2.3 Compatib

Nixeus Ultra High Speed HDMI 2.1 Certified Cables — nixeus

119383 HDMI 2.1 Ultra High Speed Cable, 5.0m, 8K/60Hz - Equip

Slaying the Cable Monster: What You Need to Know About HDMI Cables

Shenzhen Euroway (SmartAVLink) Releases the World First 20 meters HDMI 2.1 UHS Active Optical Cable and

HDMI 2.1 Cables Are About to Get Longer, a Lot Longer

Visiontek 901462 Ultra High Speed HDMI 2.1 Cable - 48Gbps (M/M)