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this post was submitted on 03 Mar 2024
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These are all equivalent, which is dumb as fuck:
I suspect the corporations that influence USB did this specifically to confuse consumers (increase sales) when they could have told them exactly what they were getting e.g:
The jump from 3 to 4 could've indicated the change to USB-C ports, which should be the greatest breaking change for USB (otherwise it's no longer USB). The "/Xw" could've been used to indicate PD max watts.
This can also continue indefinitely, like "USB4 10Tb/500w", "USB5 5Pb/2kw", etc.
What I'd really like to see are regulations that require manufacturers to specify the actual speeds the specific component(s) model/batch have achieved under real world testing — both best case scenario and averages — as the theoretical limit is completely irrelevant; with wild variation between cables of the same specs.
Undoubtedly the best naming scheme. The
x2suffix should not be dropped tho, because it shows that USB and the alt-DP mode can be used at the same time.