Version and / or Patch Used: 3.0 Technical Preview
Developer Homepage: http://crystalmark.info
Product Homepage: http://crystalmark.info/software/CrystalDiskMark/index-e.html
Download here: http://crystaldew.info/category/software/crystaldiskmark
CrystalDiskMark is a disk benchmark software that allows us to benchmark 4K and 4K queue depths with accuracy.
* Sequential reads/writes
* Random 4KB/512KB reads/writes
* Text copy
* Change dialog design
* internationalization (i18n)
Note: Crystal Disk Mark 3.0 Technical Preview was used for these tests since it offers the ability to measure native command queuing at 4 and 32.
Looking at 4K performance through the throughput glasses, we see that the Extreme II is ever so close to 40MB/s at QD1. It really doesn't get much closer to 40 than 38.67MB/s. At a 1QD, the Extreme II is faster than the Vector and just behind the 840 Pro. The same can be said about QD4. Extreme II does outperform both when reading sequential data.
Vector's 4K QD1 write speed is faster since it's still using 25nm flash and 840 Pro is slightly faster. In this test we finally get to see sequential write performance with incompressible data from the LSI SandForce drives. The SuperSSpeed S301 uses SLC NAND, so it doesn't run into the compressible vs. incompressible issues, but it costs significantly more than any other drive on the chart.
Extreme II takes the SandForce drives to town when using incompressible data. It's also important to remember that the Team SandForce products, including the original Extreme, now cost significantly less than the Extreme II. I found the original Extreme 240GB just days ago for $159.99, just $30 more than the Extreme II 120GB MSRP.
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