Quote:
Originally Posted by salamanderjuice
You must not have any decent USB 3 devices if a camera with USB 2 is the fastest. These days you can easily get USB SSDs that can get pretty damn close to the 5gbps or 10gbps max.
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I don't have a USB SSD. I don't see the point of them for backup.
My point is that the connector used is almost unrelated to the USB speed version and something can have a USB 3.0 spec but not achieve as fast as a super fast SD Card on a USB 2.x speed due the nature of the device.
You can even have USB-C connector and less than USB 2.0 speeds.
Also the full speed of USB 3.0 isn't possible even with SSD to SSD, because that's the speed of the interface, there is the USB protocol overhead and the fact all USB is half-duplex.
No eink Ereader is going to get close to the limit of USB 2.0 speed. The kind of port has no effect. USB-C is used now because it's the standard for phones, tablets and similar gadgets, especially in EU and countries that use EU standards. USB-C isn't about faster transfer or even faster charging on ereaders.
Edit:
Some details on USB 3.x
https://en.wikipedia.org/wiki/USB_3.0
An enterprise class NVMe over USB3.x to a high end NVMe PCIe SSD in decent computer is about the only thing that will approach USB 3.x speeds. Irrelevant to ereaders. You don't USB-C connectors. It's possible on USB-A to extended micro-USB connector or extended USB-B connector. A regular micro-USB cable will work, but slower.