HDMI 2.1 or 2.1a Cables? How to Tell Them Apart (And Does It Even Matter?)
Add to this the ever-growing number of HDMI standards, and things become even more confusing. So, how can you identify an HDMI 2.1 cable? What Is an HDMI 2.1 Cable? Hannah Stryker / How-To Geek Its not an official designation, however. Instead, such cables are called Ultra High Speed (UHS) HDMI cables. Is There a Difference Between HDMI 2.1, 2.1a, and 2.1b Cables? HDMI Licensing Administrator There is no difference between HDMI 2....