Some basic info about USB

Sourav Satvaya@lemmy.world to Technology@lemmy.world – 1572 points –
270

You are viewing a single comment

That sounds like a dedicated charging cable. So yeah, they will (if at all) only transfer data slowly and not support any extras features like displayport.

A dedicated charging cable wouldn’t have “gigabit speed”

No USB cable has “gigabit speed”. It probably has 480 Mbps (USB 2.0 standard).

Maybe he meant a 5 Gbps Gen1 cable. That would be “gigabit speed” but still rather slow by today's standards and won't support DP. They are pretty cheap these days, so wouldn't be suprising to see left over stocks being sold as charging cables.

No USB cable has “gigabit speed”. It probably has 480 Mbps (USB 2.0 standard).

What? I'm either misunderstanding you or this statement isn't correct. Having USB cables that can move data at gigabit rates has been common for quite some years.

Here's the latest stuff:

https://en.wikipedia.org/wiki/USB4

Bitrate

20 Gbit/s
40 Gbit/s
80 Gbit/s
120/40 Gbit/s asymmetric

What? I’m either misunderstanding you or this statement isn’t correct

I meant that no USB standard actually has exactly 1 Gbit/s. I even mention that next one if 5Gbit/s. Just a misunderstanding I think.

Oh, okay, makes sense, thanks.