Cheapest M.2 Solid State Drives ranked by price per terabyte

Every M.2 SSDs we track on Amazon.co.uk, ranked by real cost per terabyte (£/TB) using Keepa price history — so you compare value, not just the sticker price. The table updates daily and flags 24-hour price drops and all-time lows. Use the filters to narrow by capacity, form factor or condition, and open any drive for its full price-history chart.

last updated: 2026-09-04 17:31:16

£/TB	Price	Size	Tech	Form Factor	Condition	Description
£94.97	£189.94	2 TB	M.2 SSD	M.2	New	WD Blue SA510 2 TB, M.2 SATA SSD, up to 560 MB/s, Includes Acronis True Image for Western Digital, Disk & Cloning Migration, Flexible backup & recovery, ransomware protection Buy
£131.84	£67.50	512 GB	M.2 SSD	M.2	New	fanxiang 512GB M.2 SATA III Internal SSD, Up to 550MB/s-S201 Buy
£142.56	£72.99	512 GB	M.2 SSD	M.2	New	Patriot Memory P300 M.2 Pcie Gen 3 x4 512GB low-power consumption SSD - P300P512GM28 Buy
£146.46	£74.99	512 GB	M.2 SSD	M.2	New	fanxiang M.2 SSD 512GB SSD Up To 3200MB/s PCIe Gen3x4 2280 Buy
£148.00	£296.00	2 TB	M.2 SSD	M.2	New	WD Red 2 TB NAS SSD M.2 SATA Used £239.00 · £119.50/TB Buy
£172.99	£172.99	1 TB	M.2 SSD	M.2	New	WD Blue SA510 1TB, M.2 SATA SSD, up to 560 MB/s, Includes Acronis True Image for Western Digital, Disk & Cloning Migration, Flexible backup & recovery, ransomware protection Buy
£183.48	£46.97-0.0% 24h	256 GB	M.2 SSD	M.2	New	Patriot P300 M.2 PCIe Gen 3 x4 256GB Low-Power Consumption SSD - P300P256GM28 Buy
£296.80	£37.99	128 GB	M.2 SSD	M.2	New	Patriot P300 M.2 PCIe Gen 3 x4 128GB Low-Power Consumption SSD - P300P128GM28 Buy

M.2 SSDs: not all the same speed

M.2 describes the physical connector, not the speed — it is easy to assume every M.2 drive is a fast NVMe SSD, but M.2 SATA drives also exist and top out at the same speed as a 2.5" SATA SSD. The table above ranks every M.2 drive by real cost per terabyte so you can compare both types.

M.2 NVMe: the fast option, talking to the CPU directly over PCIe — see NVMe drives and NVMe vs SATA explained.
M.2 SATA: the M.2 connector but SATA speeds underneath — check the listing specifies NVMe if you need the extra performance.
Compatibility: confirm your motherboard or laptop's M.2 slot supports the drive's protocol before buying — not every M.2 slot takes NVMe.

If you are choosing between M.2 and a traditional 2.5" SSD, the interface matters more than the form factor — read our full interface guide before buying.

Frequently asked questions

How does disks.co.uk rank M.2 Solid State Drives?

We rank every M.2 Solid State Drives by real cost per terabyte (£/TB) — the live Amazon.co.uk price divided by capacity — so the best value appears at the top. Prices refresh several times a day from Keepa, with 24-hour movement and all-time-low flags.

What is the cheapest M.2 Solid State Drives right now?

The top of the table shows the cheapest M.2 Solid State Drives by £/TB. Prices update daily, so check back for new all-time lows.

How do I choose the right M.2 Solid State Drives?

Compare £/TB for the capacity you need, check the price history for a genuine deal, and weigh up speed and warranty. Our buying guides explain the trade-offs.