Guides

Is 4K at 30Hz really that different from 60Hz? This guide shows what you notice on a desktop, why many USB-C hubs fall back to 30Hz, and how to check your refresh rate so you can spot the weak link...

USB 3.2 Gen 1, Gen 2, and Gen 2x2 are speed labels, not version numbers, and the same speed has had several names. This guide maps the old and new names, shows what each speed means in use, and hel...

An e-marked USB-C cable carries a small chip that tells your devices what it can safely handle. This guide explains when you need one, what happens without it, how to check a cable, and which cable...

DisplayPort Alt Mode is what lets a USB-C port send video to a monitor, and not every port has it. This guide explains which ports support it, four ways to check your laptop, and why the cable and ...

You can daisy chain USB hubs up to five levels deep, but every hub shares one connection and one power budget. This guide covers the real limits on power, speed, and device count, and how to chain ...