I finally learned what those USB port colors mean — and I’ve been using the wrong ones all along

USB-A ports are everywhere, from laptops and monitors to TVs, gaming consoles, and even cars. They’re the familiar, rectangular connectors you’ve been plugging devices into for years. But over time, USB-A ports have evolved considerably, which means not all of them are the same. Some are built for basic peripherals like keyboards and mice, while others are designed to transfer data at lightning-fast speeds or deliver higher power for charging devices.