Worry not, [Spencer Maroukis] has got you covered with the USB Sleuth Cable Tester! The cable tester is a beautiful black circular PCB, with USB ports of nearly every type on the edges.

Worry not, [Spencer Maroukis] has got you covered with the USB Sleuth Cable Tester! The cable tester is a beautiful black circular PCB, with USB ports of nearly every type on the edges.

Unfortunately, there’s no way to test out USB cables for their actual transfer speed before you buy them. The only thing you can do is read lots of reviews, like our own roundup of the best USB ...