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SSD 2012 roundup: Sixteen 120 and 128 GB SATA 6G SSDs
by Marc Prieur
Published on June 27, 2012

Sequential reads
We started with sequential read speeds measured with IOMeter using 2 MB blocks of incompressible data with 1, 2 and 4 simultaneous commands for two minutes. We give the average obtained in these three cases:


Heading up the field we have several SSDs that can give speeds of over 500 MB/s: Crucial M4, Plextor M3, Plextor M3P and Samsung 830. At 493 MB/s, the Intel SSD 520 scores just below this level, with the 330 slightly less rapid.

Bringing up the rear is the Corsair Force 3, which, in spite of its official spec, suffers due to its asynchronous NAND with reads of just 198 MB/s, hardly worthy of an SATA 6G SSD. Even the old X25-M is faster. While the Kingston V200 and OCZ Petrol do better than the X25-M, their scores aren’t fantastic either.
Sequential writes
Still with IOMeter, sequential write speeds were taken on 2 MB blocks of incompressible data and a single command for two minutes:


Here there’s a big difference between the models tested, with just two SSDs scoring above 300 MB/s. These were the Plextor M3P and Corsair Performance Pro while the Samsung 830 manages 299 MB/s. These SSDs are a long way out in front of the competition with the next being the Vertex 3 Max IOPS at 236 MB/s.

In last place is the X25-M V2 but this is understandable given its age. The same goes for the Crucial C300. As with reads, the Corsair Force 3 and OCZ Petrol are among the slowest so-called new generation SSDs, but there’s a smaller gap with the competition than on reads.

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