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Plextor PX-M5M mSATA 256GB SSD Review - Benchmarks - Sequential Performance

Plextor PX-M5M mSATA 256GB SSD Review
At this point nearly every notebook and ultrabook ships with an mSATA slot. Some products ship with the slot populated and others hide the connector under the keyboard. Upcoming products based on Haswell CPUs will bring more SATA III mSATA ports to notebooks. It's time to find products to populate them.
By: | SSDs in Storage | Posted: Jul 5, 2013 5:01 am
TweakTown Rating: 92%Manufacturer: Plextor

HD Tune Pro


Version and / or Patch Used: 4.00

Developer Homepage:

Product Homepage:


HD Tune is a Hard Disk utility which has the following functions:


Benchmark: measures the performance

Info: shows detailed information

Health: checks the health status by using SMART

Error Scan: scans the surface for errors

Temperature display


HD Tune Pro gives us accurate read, write and access time results. It is now considered a must have application for storage device testing.





HD Tune Pro allows users to set the block size, the default being 64KB and that what we measure sequential reads and writes with. The Plextor M5M scored nearly 428 MB/s in the read test. The score was only surpassed by the MyDigitalSSD BP4, a Phison controlled product.




Our 256GB class mSATA chart is still dominated by LSI SandForce controllers so we'll have to balance the compressible and incompressible performance later in this review. Of the non-SandForce controllers, the M5M is the fastest writing mSATA SSD.



HD Tach - Sequential Performance after Random Writes




HD Tune Pro also has random read and write tests. In this test with HD Tach, we run a sequential read and write test after the HD Tune Pro random tests. This is mainly a test of sequential writes across the drive after a reasonable amount of consumer load random writes.

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