Crucial M225 256GB review

£494
Price when reviewed

It’s not cheap, but the 256GB Crucial M225 is capacious enough to be the only drive in your system. That’s ideal if you’re looking to upgrade a laptop, and for desktop systems the single-drive option could help keep internal spaghetti to a minimum.

Crucial M225 256GB review

And though the up-front cost is high, at £1.76 per gigabyte the M225 is actually better value than most SSDs on the market. Sure, platter-based drives go for a tenth as much, but for what it is, the Crucial is comparatively cheap.

Crucial M225 256GB

The real attraction, though, is performance. In our tests the M225 achieved a phenomenal 219MB/sec sequential read speed – rather more than twice the 101MB/sec achieved by a mechanical Samsung SpinPoint drive – and kept up 68MB/sec in our small-file read test while the Samsung averaged 59MB/sec.

Write performance was impressive too. Historically this is an area where SSDs have stumbled; but the M225’s 158MB/sec sequential write speed put the 94MB/sec Samsung to shame. Even when taxed with multi-threaded 4K writes the drive kept up an average rate of 13MB/sec — while its mechanical rival plummeted to just 1.1MB/sec.

In short, the M225 proved significantly faster than a mechanical drive in all of our tests; and, as you’d hope, automatic housekeeping via the TRIM command is supported, so if you use this drive with Windows 7 it should maintain its performance. That means you can expect it to provide a consistent speed boost no matter how you use your PC.

Not everyone’s wallet will stretch to a drive this size, but if you have the cash to spend, the M225’s value, plus an excellent five-year warranty, make it an unbeatable choice.

Specifications

Capacity 256GB
Hard disk usable capacity 238GB
Hard disk type SSD
Cache size 64MB
Spindle speed N/A
Seek time (ms) N/A
Cost per gigabyte 176.5p

Performance tests

Write speed small files 131.0MB/sec
Write speed large files 158.0MB/sec
HD Tach burst speed 220.0MB/sec

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