this post was submitted on 19 Nov 2023
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Why aren’t motherboards mostly USB-C by now? (philip.greenspun.com)
submitted 1 year ago by L4s to c/technology
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Why aren’t motherboards mostly USB-C by now?::I’m beginning to think that the Windows PC that I built in 2015 is ready for retirement (though if Joe Biden can be president at 78, maybe this PC can last until 2029?). In looking at new des…

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[–] [email protected] 16 points 1 year ago* (last edited 1 year ago)

Most desktop peripherals are still USB-A. For low-power, low-data things like keyboards and mice, what would be the point of USB-C? It would increase the cost of the product but provide no real benefit to the user.

Also, if you had a new desktop motherboard with say 6 USB-C ports, would you expect all of them to be capable of delivering 20V at 5A so they can be used to drive USB-C monitors &etc? Because that's a lot of power to be running across your motherboard, even if you have a power supply that can handle it. You'll need a separate cooler just for the USB-C bus controller, and pray that nothing ever goes wrong with power delivery because it will probably fry the whole board.