By default, a USB-C cable connected to a USB 3.1 port can provide a transfer speed of 10 Gbps and 20 Gbps when connected to a USB 3.2 port. Can You Connect Two USB-C Cables to One Port? This depends on how you plan on connecting it.

To transfer data at 40Gb/s (the max) the cables are limited to 0.8m length. Some lesser speeds allow longer cables. Anything longer needs an active cable (basically a 1-port USB hub every 0.8m). So if you are using a USBC cable as a generic cable, any users would have to be careful to only use passive cables and be limited in length.

How to connect a 4-wire to a 2-wire USB. If you want to wire a 4-wire USB cable with a 2-wire USB cable and Vice Versa, then you cannot use it for data transferring; it can only be used for charging purposes as the other two data cables, for data receiving and sending will stay without any use. Here are the steps:
USB-C to Lightning Cables (or USB-C to USB-C/Micro USB) A USB-C to Lightning cable goes from the newer USB-C to the Apple Lightning connector. Charging your phone via a USB-C to Lightning cable gives you much faster charging times than the traditional USB-A to Lightning. USB-C to Lightning Cable. Please note: You will require a wall charger

Really, anything that has a Micro USB or USB-A could ultimately get a USB-C port. Devices like wireless mice, keyboards, speakers, and smart home devices, all either currently do, or could in the future, offer USB-C ports, both for power delivery and data transfer. USB-C is rapidly appearing on storage devices from flash drives to external hard

The Answer. SuperUser contributors Steven and fixer1234 have the answer for us. First up, Steven: A USB 3.0 cable is required for USB 3.0 speeds, but any USB cord will make a connection. Source 1: USB [Wikipedia] SuperSpeed (USB 3.0) is supported only by USB 3.0 and newer interfaces, and requires a connector and cable with extra pins and wires
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