How do you tell what type of USB ports you have?

To identify the specific USB ports and connectors on your devices, you can simply look at their shape and color, or check ...

What does a USB port's 'EPR' actually mean?

There are lots of abbreviations and standards surrounding USB ports, and EPR is one of them. Here's what it means and ...
PC Magazine

serial port

A socket that connects to a serial interface (one bit following another over one line). Serial ports are widely used by sensors for data acquisition, and they were standard on early computers for ...
Embedded

USB Type-C and power delivery 101 – Ports and connections

USB Type-C is the newly introduced and powerful interconnect standard for USB. When paired with the new Power Delivery (PD) specification, Type-C offers enhancements to the existing USB 3.1 ...
AppleInsider

Thunderbolt 5 and USB-C - everything you need to know about every version of USB

USB has been around for decades, and the sheer number of USB and Thunderbolt versions in 2025 can be bewildering. Here's what you need to know about USB 3, USB 4, Thunderbolt 3, Thunderbolt 4, and ...