this post was submitted on 17 Jul 2023
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1035
USB-C hubs and my slow descent into madness - Dennis Schubert (overengineer.dev)
submitted 1 year ago by [email protected] to c/[email protected]
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I was looking for a new USB-c hub and came across this article. It's an interesting write-up of what is on the inside of some popular options

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[–] [email protected] 3 points 1 year ago (1 children)

USB degrades the speed of a native ethernet port or PCI

It'll be limited by the USB controller really. USB ports on one controller share bandwidth so if you're using most of the available bandwidth (such as on the old 3 gigabit/s USB3 ports) you might notice some lost speed but otherwise you should have plenty of bandwidth for a gigabit connection

Ideally should I try to find a Intel Ethernet device?

Honestly if you've already got something that works I wouldn't bother buying something else because it might theoretically be better

[–] [email protected] 1 points 1 year ago (1 children)

So my fried Ethernet port is stacked on top of 2 specialty USB 3.2 Gen2 ports separate from the regular 3.2 Gen 1 ports. Any advantages using those 3.2 Gen 2 ports with a USB ethernet? Do I need to make sure the USB adapter is rated for that. Asrock B550 ITX Phantom Gaming specs for reference: https://pg.asrock.com/mb/AMD/B550%20Phantom%20Gaming-ITXax/index.asp

[–] [email protected] 3 points 1 year ago

So USB 3 has a super confusing naming convention nowadays. In short, "USB 3.0" has been renamed at least twice since it was first introduced and the naming conventions have simply gotten more confusing as time goes on. The one good thing I can give USB-SIG at this point is that bigger number does in fact equal more better

In your specific case, it really shouldn't make any difference what port you plug into because we're talking USB speeds of between 5Gbit/s and 20Gbit/s which of course is far more than the 1Gbit/s (plus some for protocol overhead) you need for a gigabit Ethernet connection