this post was submitted on 19 Mar 2026
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USB4 v2 is only a year old, and the cable situation is already a mess (www.xda-developers.com)
submitted 2 days ago by commander@lemmy.world to c/hardware@lemmy.world
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[–] Hamartiogonic@sopuli.xyz 8 points 2 days ago (1 children)

That’s not the problem. Lack of labels is. You need to have a cable tester to figure out which one of your many C-C cables is best for a particular purpose.

[–] Swedneck@discuss.tchncs.de 1 points 2 days ago (1 children)

maybe stop buying cables that don't have a label on them?

[–] Hamartiogonic@sopuli.xyz 3 points 2 days ago* (last edited 1 day ago) (1 children)

That is a solution. Haven’t really seen any comprehensive labels that would clearly indicate all the capabilities of the cable. Maybe there’s a thunderbolt logo, maybe 100W is written on it? If you’re lucky. Definitely can’t have both at the same time though. I guess that leaves me with approximately zero cables I’ll be buying in the future.

Have a look at this for instance. If a charger manufacturer can’t be bothered to put any useful labels on the cables, what do you think anyone else will do?

It’s a 60 W cable, so how about you write 60 W on it, so that the people who bought your 100 W charger won’t be disappointed? Too much effort, I guess.

[–] Cort@lemmy.world 1 points 1 day ago (1 children)

It’s a 60 W cable, so how about you write 60 W on it

Why did my house burn down, I only put 60w of 5v through the 60w cable?

[–] Hamartiogonic@sopuli.xyz 1 points 1 day ago* (last edited 1 day ago)

Because you bypassed the PD chip. With great current comes great responsibility.

While you’re at it, consider dropping to just 100 mV and keeping the power at 60 W to see what happens. Should be interesting.