this post was submitted on 28 Dec 2024
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The benefit is that by being standardized, there will be less proprietary cords and adapters. And the capability of USB-C should be adequate for sometime with the power and data transfer.
One issue, is that not all USBC cords are of the same quality. I found this recently when trying to find a cord that can be used for an external SSD, and video for a monitor. Some cords worked, the rest did not. All the cords could be used for charging, but after that, all bets are off.
The problem is that USB-C is a plug not a standard even in charging some cables won't do as much power as others (though at least they communicate that to the power source).
I do however fully support the total USB-C rollout. In my everyday carry there's now only one plug (2 USB-C one USB-A) and some cables that I can charge everything with, my laptop, my phone my Powerbank and even those few devices that are still USB-B micro (I just carry one USB-A to micro cable).
USB C cables have been all over the shop since the beginning, and chargers. I remember even 5 years back the problems they had. Part of that is the cables and chargers are "active" in the sense they negotiate charge rates and other functionality between either end and if one end is dumb or doesn't respond properly you get the 5V 2A default. On the other hand if you have a USB C 4.0 lightning cable and two compliant devices then potentially you could be powering 2 monitors, keyboard, mouse, wifi, a graphics card even AND charging through one cable. It's actually incredible when it works properly.
Just so you know "active cable" already has a separate meaning: They repeat the USB signals somewhere in the middle for a longer transmission distance.
I think the better idea is to pick up the terminology from the USB-IF, they speak of electronical marking, or e-markers in the cables. It's usually a small chip integrated in one of the plug assemblies.
Likewise, I have a speaker thing (w-king brand) that will only charge off USB A to C, and will not charge off any USB C power supply
The cable that comes with the original Nintendo switch is weird. Point blank will not charge things except the switch, I have no idea why Nintendo would care to limited like that.