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 ...

The USB Type-C connector and power delivery (PD) specification has brought radical changes to the mobile device industry, and USB Type-C PD 3.0 could optimize battery charging for portable devices.

Despite their universal pitch, not all USB ports are made the same. That colored connected could mean nothing, but it could ...

If you want to charge your iPhone 12 using MagSafe, Apple recommends using certain 20W AC adapters — and they don't need to come from Apple, despite what you may have heard. We explain what the ...

A great USB-C charger is simply the best way to top up your gadgets these days. Many of these blocks are capable of much faster speeds than older USB-A offerings, and some even come with support for ...

For over a decade after its 1996 debut, the USB port was a plain, black rectangular slot that powered keyboards and mice. That changed in 2008, when blue ports began appearing on devices to mark the ...