What's the Difference Between USB 3.0 & 2.0 and Which Should You Use?

TL;DR AI
2 min readKey summary
USB 3.0 offers more bandwidth and power than USB 2.0, making it the better choice for high-speed devices.
External SSDs and 4K webcams benefit most from USB 3.0, while mice and keyboards usually work fine on USB 2.0.
USB ports are often color-coded to help identify them, and USB 2.0 and 3.0 are backward compatible.
Using a USB 3.0 device in a USB 2.0 port will work, but performance and transfer speeds will be limited.
