In this capacity size, the Plextor M5M Series is hard to beat. The price is exceptionally low compared to other products, even those we expected to find selling at a lower price. That's not to say every capacity size in the M5M lineup gets the same high rating, we have the 128GB model on the test bench now and a massive roundup is coming soon.
In our tests, the Plextor PX-256M5M routinely outperformed other products in our charts. This product writes incompressible data faster than any other mSATA SSD we've tested and its compressible write performance isn't too far behind the LSI SandForce products. The low queue depth read IOPS performance is also strong, an area we feel is often overlooked by manufacturers and other reviewers.
As we stated in the introduction, we're on the verge of an mSATA explosion. mSATA was a hot seller in 2012, but a majority of those sales were at the big box builder level. A large number of notebooks shipped with mSATA slots, many unadvertised. Our Lenovo W530 shipped with an mSATA slot tucked under the keyboard, yet most buyers of this model wouldn't know without researching its full capabilities. With SATA III coming of age and Intel chipsets shipping with more than two SATA III ports, mSATA with a SATA III interface will explode.
Tiger Direct has the Plextor PX-256M5M for $204.99 at the time of writing and it's the lowest priced 256GB class mSATA SSD on the site. It's also the one of, if not, the fastest 256GB class mSATA SSDs on the market.
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