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Guides
In-depth USB guides: standards, speeds, charging, cables, hubs, storage and security, clearly explained.
External SSDs versus hard drives and flash drivesExternal SSDs, hard drives and flash drives each suit different jobs. Here is how to choose between them.
USB Audio Explained: Headsets, DACs, Microphones and LatencyHow sound travels over USB, from USB-C headphones and external DACs to microphones and the latency that matters for music and recording.
USB-C explained: the connector everyone usesUSB-C looks the same everywhere, but the connector says nothing about speed, power or video. Here is what actually matters.
Charging Laptops Over USB-C: Watts, Voltages and LimitsHow much power laptops need over USB-C, what the higher voltage tiers mean, and the practical limits of charging from power banks and monitors.
Choosing USB cables: what actually mattersIdentical looking USB cables can behave very differently. Here is how to choose the right one for the job.
How to Choose a USB Charger: Watts, Ports and GaN ExplainedEverything to weigh up before buying a USB charger, from wattage and port sharing to GaN technology and travel adapters.
The EU Common Charger Rules Explained for BuyersA plain-language look at the EU common charger rules, their general timeline, and what the shift to USB-C means for buyers and travellers everywhere.
USB flash drives: how they work and how to chooseA small flash drive hides real complexity inside. Here is what determines its speed, lifespan and security.
The History of USB: From 1996 to TodayA guided timeline of USB's development, from the original 1996 specification through USB-C to today's USB4 and Power Delivery standards.
USB hubs and docks: which one you needA hub and a dock solve different problems. Here is how to tell them apart and pick the right one.
USB On-The-Go on Phones and Tablets: A Practical GuideHow USB On-The-Go turns a phone or tablet into a host for flash drives, keyboards, cameras and more, plus reverse charging and file system compatibil…
How to Choose a Power Bank: Capacity, Output and Airline RulesWhat power bank capacity figures really mean, how much energy you actually get, Power Delivery output, pass-through charging, and airline carry rules.
USB Power Delivery explained in depthUSB Power Delivery lets one charger safely power very different devices. Here is how that negotiation works.
USB security: BadUSB, juice jacking and safe habitsA USB port can carry more than power. Here are the real risks and the simple habits that guard against them.
USB speeds explained: real world versus ratedA drive rarely hits its advertised USB speed. Here is what actually limits real world transfers.
USB Troubleshooting: A Practical Guide to Common ProblemsA calm, step by step guide to the most common USB problems: devices not showing up, slow transfers, charging trouble, disconnects, and driver issues.
Video Over USB-C: DisplayPort Alt Mode, HDMI and MonitorsHow USB-C carries a video signal, from DisplayPort and HDMI Alt Mode to multi-monitor setups and the limits on resolution and refresh rate.
USB4 and Thunderbolt: what the versions meanUSB4 and Thunderbolt share the same connector and much of the same technology. Here is how the versions differ.