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Which? Best Buy external hard drives

by Jon Barrow

Which? Best Buy external hard drives quickly copy your files so you won't have to wait ages when backing up important documents or transferring photos and videos. Find the perfect external hard drive for you.

Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

Don't get stuck with an external hard drive that's sluggish to start up and slow to use. When it comes to testing computing storage solutions, we don't simply take a quick look at the specs or the brand name. We test all the key criteria to ensure that each hard drive is measured equally and every tested model is comparable with one another.

All of our reviews take place in a controlled lab environment designed to mimic real-life use scenarios, so you can be sure that a Which? Best Buy external hard drive will run smoothly and will keep all your files safe.

  • Our experts measure the actual usable storage space so you'll know whether you really will be able to fit all your files on the disk.
  • We don't simply report the hypothetical transfer speeds claimed by the manufacturers - instead we make our own judgements based on our expert tests.
  • We check the build quality of each drive to ensure they don't get too hot, or noisy, during use..

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External hard drive reviews you can trust

Back-up your important digital files and extend the life of clogged up old laptops by choosing a Best Buy external hard drive. We test all the latest models from the biggest brands, including Seagate, Western Digital and Sony.

Which? is independent - we work for you, the consumer, so you can be sure that our product recommendations are influenced only by our test results. We don't take advertising and we buy all the products that we test ourselves, so our advice helps you to make the right choice first time and avoid costly mistakes.

If you’re a Which? member, you can log in now to unlock the Best Buy hard drive reviews on this page.

Not yet a member? Join Which? and you'll receive access to all our online content - including laptops, PCs and cloud storage solutions - and get Which? magazine delivered monthly to your door. You can also phone our Which? Legal Service and personal finance experts for one-to-one help.