Meme “the number of people who think this is an abomination” over a photo of a USB-A to USB-A cable, “but think this is perfectly acceptable” over a photo of a USB-C to USB-C cable, “makes me sick.”
Most cheap usb switchers will use them on the computer-switch side. I have a few models that I was testing out so I have a small pile of these. They’re great for cutting in half and using as a small usb power supply cable to breadboard projects, along with the horde of 5w Apple chargers I have in a bin.
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I’ve never seen a USB-A to A cable in the wild, except recently, where I finally unpacked my SATA/IDE USB adapter from Ugreen.
They used to be moderately common in the before times, like 2.5 inch IDE HDD times.
For added horror those often where Y cables, too.
Most cheap usb switchers will use them on the computer-switch side. I have a few models that I was testing out so I have a small pile of these. They’re great for cutting in half and using as a small usb power supply cable to breadboard projects, along with the horde of 5w Apple chargers I have in a bin.
I’ve had old Ugreen devices with a similar setup. Notably a KVM that fried my keyboard bc they failed to follow USB spec.
A-to-A cables are, in general, a hardware design smell. It’s best to avoid devices that don’t care enough to follow the spec.
My USB KVM switch uses them
They are commonly used with USB keystone connectors. For some reason most of them have A connectors on both sides.