Those large drives are a bit on the chunky side - 21mm thick - so Seagate also offers the Backup Plus Slim with either 1TB or 2TB storage instead. This ensures that your backups are always up to date with the most recent versions of your files (whereas Time Machine still leaves a one-hour gap between backups). This is a good option if you use your Mac at work, and have individual projects organised in their own folders.Īny folder that is mirrored is automatically backed up and updated as soon as you make any changes to any file within that folder. Theres also a 4TB model, which is the same size and weight, but slightly less expensive. Those two drives measure just 10mm thick, 88mm wide and 122mm long, and weigh a more modest 200g. The diamond cut design simply refers to the exaggerated angular edges and corners looks aside, the aluminium casing feels really sturdy - in fact, the 5TB model that we tested weighs in at 400g, and could give someone a serious concussion if you whacked them over the head with it. Theyre available in two colours: moon silver and, of course, space grey that is intended to match the latest Mac models. Getting external storage can solve a lot of problems and even make life easier.īelow the reviews weve got general buying advice that explains what you should be looking for.

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