Not enough juice. First, you’re going to want to look for the Thunderbolt symbol. Its a little lightning bolt that is—sometimes—used to mark a Thunderbolt cable or port. Often, though, it won’t be ...

However, there's one small detail that helps identify the two. A Thunderbolt port and cable feature a small lightning symbol on the product. Standard USB-C cables are denoted by their USB symbol.

Most of the time, you can't tell by looking. Sometimes, though, there might be a lightning symbol to identify a port as ...

Determining whether that Thunderbolt cable is for 4 or 5 depends on if you see a 4 or 5 near that symbol. The problems here include how not every manufacturer puts that number on the cable.

Refer to your laptop’s manual to identify the Thunderbolt port, which may be marked with a small lightning bolt icon. However, this symbol might also indicate a charging port. If in doubt ...

Not enough juice. First, you’re going to want to look for the Thunderbolt symbol. Its a little lightning bolt that is—sometimes—used to mark a Thunderbolt cable or port. Often, though ...

Here’s how it works. Thunderbolt 5 has arrived, and it's finally started to crop up in laptops hitting the market in 2024. I'm not just talking about faster data transfer speeds, either — I'm ...