On older interfaces that still have some form of support from their manufacturers, you can expect to find a USB-B port – meaning it’ll connect via USB-A or USB-C to your computer with the right cable.

You can also drive multiple monitors from one DisplayPort connection, rather than having to use multiple ports, which is handy. Laptops can even send DisplayPort signals through a USB-C port ...

If your device is old enough to have a Lightning port, do not fear. Things might be a little stickier with respect to compliance and backwards compatibility, but you’ll find some more targeted advice ...