How Do You Add More Storage to a Laptop?

Published: ١٨ سبتمبر ٢٠٢٦

Live answer · Amazon.com

Pulling live prices…

Live data across PricePerGig listings. Prices may change; Updated every few hours.

📊 As of 28 September 2026, the typical SSD on Amazon.co.uk is £305/TB or £0.305/GB across the 2,387 live listings we track, with the widest choice of drives priced around £134/TB or £0.134/GB. The best deals on Amazon.co.uk start from about £140 for 1TB (£140/TB), £228 for 2TB (£114/TB) and £430 for 4TB (£107/TB). The current best value is 4TB at roughly £107 per TB.

Sourced from real discussions on r/laptops and r/techsupport, cross-checked against live PricePerGig listings.

Laptop nagging you about low space? You have more options than you might think, though laptops are fussier than desktops about what fits. Let me run through them.

The right method depends on your laptop. Some let you upgrade or add internal drives easily, others only take external storage. Check yours first, then pick the path.

The table above shows the live SSD prices on your marketplace for the internal upgrade route.

Option 1: upgrade the internal SSD

The cleanest permanent fix, if your laptop allows it.

Most modern laptops use a single M.2 SSD. You can replace it with a larger one, then clone your old drive across or do a fresh install.

This gives you more fast internal space with no extra clutter. The catch is it means opening the laptop and migrating your system, so it takes a little effort. We cover the migration in how to move Windows to a new SSD.

Check your laptop’s manual or a teardown guide first to confirm the drive is user-replaceable, since some are soldered.

Option 2: add a second internal drive

Better still, if you have the room.

Some laptops, especially larger or gaming models, have a spare M.2 slot or a 2.5 inch bay for a second drive. If yours does, adding a second SSD is easy and keeps your original drive untouched.

Sadly, many slim laptops have only one slot, so this is not always possible. A quick check of your model tells you whether you are lucky.

Option 3: external storage

The easy route that works on any laptop.

An external SSD or hard drive plugs straight in over USB, no opening anything. It is the simplest way to add space, and great for media, backups and files you do not need on the internal drive.

An external SSD is fast and pocketable, while an external hard drive is cheaper for bulk. We compare them in external SSD vs portable HDD.

Option 4: an SD card

For some laptops, a small bonus option.

If your laptop has a full-size SD card slot, a card can add a bit of handy extra space, especially for media. It is slower and smaller than a drive, but it tucks in neatly with nothing hanging off the side.

Useful as a top-up, not a main storage solution.

The bottom line

To add storage to a laptop, your best options are upgrading the internal SSD to a bigger one, adding a second drive if there is a spare slot, or simply plugging in an external drive, which works on any laptop.

Check what your laptop supports, then choose internal for permanent fast space or external for the easy route. Grab a good value drive from the live prices above, and give your laptop the breathing room it needs. No more low-space warnings spoling your day.

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