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Corsair Neutron XT SSD Preview

By: Chris Ramseyer | SSDs in Storage | Posted: Nov 17, 2014 2:00 pm

Anvil Storage Utilities


Version and / or Patch Used: RC6


So what is Anvil Storage Utilities? First of all, it's a storage benchmark for SSDs and HDDs where you can check and monitor your performance. The Standard Storage Benchmark performs a series of tests; you can run a full test or just the read or the write test, or you can run a single test, i.e. 4k QD16.


Anvil Storage Utilities is not officially available yet, but we've been playing with the beta for several months now. The author, Anvil on several international forums, has been updating the software steadily and is adding new features every couple of months.


We can use Anvil several different ways to show different aspects for each drive. We've chosen to use this software to show the performance of a drive with two different data sets. The first is with compressible data and the second data set is incompressible data. Several users have requested this data in our SSD reviews.



0-Fill Compressible Data




Incompressible Data




The Phison S10 controller deals with compressible and incompressible data differently, but not in the same manner we see with SandForce products. With SSDs that use the SandForce controller, the compressible performance is within reach of other products on the market and the incompressible performance is significantly lower.


The Phison S10 goes the other direction. The S10 has the same performance as other drives with incompressible data and does amazingly well with compressible data. Why do we say amazingly well, this is the first time we've breached a 7K score with any data type in this test using a consumer SATA SSD.



Low Queue Depth Read IOPS




High Queue Depth Read IOPS




I think it's safe to say that "amazing" is the correct word choice here. We use 10K random read IOPS at queue depth 1 as the go / no-go for consumer SATA SSDs. The Corsair Neutron XT more than triples, damn near quadruples the 10K mark at QD1!


At high queue depths, the Neutron XT has already reached its peak 100K IOPS (at QD4), so there isn't much room to increase performance with SATA 6Gbps.



Compressible, Incompressible, 46% Mix Random Read IOPS




Here we see the same numbers as posted above for the Compressible Data portion at the top of the chart. In the middle, we have a mix of compressible and incompressible data and finally at the bottom we have incompressible data.


What we see here is that the Corsair Neutron XT delivers performance that is competitive with other hyper-class SSDs (currently Samsung's 850 Pro and SanDisk's Extreme PRO) when using incompressible random data and kicks those products ass when using compressible data.


Also noteworthy here is the way the S10 controller performs with a mix of compressible and incompressible data. The 46% mix performance is identical to 100% incompressible performance. This is something we'll have to study more in the future. It will be interesting to read the comments after this review goes live. So many talk down SandForce products for lower incompressible performance.



Low Queue Depth Write IOPS




High Queue Depth Write IOPS




Random write performance isn't affected by data type, but again the Neutron XT delivers high performance. Phison has come a long way with the S10. At the bottom of the chart, we see the random performance from the MyDigitalSSD BP4, a Phison S8 SSD. The Phison S9 is a cache / mainstream performance controller that was never released in a 1TB class product.

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