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OWC Mercury Extreme Pro 6G 120GB Solid State Drive Review (Page 5)

By Chris Ramseyer from Apr 14, 2011 @ 5:28 CDT
TweakTown Rating: 90%Manufacturer: Other World Computing

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 and for the last couple of years has been gaining popularity amongst reviewers. It is now considered a must have application for storage device testing.


It's really not appropriate to make direct comparisons between the 240GB Vertex 3 with pre-production firmware and the more refined OWC Mercury Extreme Pro 6G, since the two were tested in completely different stages of completion, but we can compare the Corsair Performance 3 and Crucial m4 since they are retail products running retail firmware. The Performance 3 and m4 both use a Marvell controller, but not the same version.

In HD Tune Pro's read across the OWC Mercury Extreme Pro 6G we see that the drive crushes everything on our chart by a significant amount. We measured a dip in performance resulting in the low 336.9 MB/s minimum speed. This low spot was recorded on several runs and is most likely a caching issue. We also noticed the same point on the Vertex 3 dipping as well. This is a very brief drop in performance and it didn't really affect the average read. The average read measured was 425MB/s which is remarkably fast, even for a next generation SATA 6G SSD. The OWC Mercury Extreme Pro 6G is the fastest single drive we've tested in HD Tune Pro.


The high speeds also carried over to the write test, but here we found the small density NAND chips were slower than the large chips found on the Vertex 3. This is a very common thing to see as the denser chips are generally a little faster.

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