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Samsung 840 EVO 500GB RAID 0 SSD Report

By: Jon Coulter | RAID in Storage | Posted: Oct 17, 2013 2:00 am

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 DQ16.


The software is used several different ways and 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




Any time you can score over 10,000 points with a pair of drives, you are dealing with hyper-class SSD's.



0-Fill Compressible Read IOPS through Queue Depth Scale




The Extreme II has great 4K QD1 read performance, but the EVO is in a league of its own, especially when dealing with compressible data.



0-Fill Compressible Write IOPS through Queue Depth Scale




Write caching enables our array to put out three times the performance of a single EVO where it matters most; 4K QD1.



Compression 100% Incompressible Data




Here's the thing, a pair of EVO's is essentially writing at full speed at single queue depths. 571 MB/s at 4K QD1 is astounding performance, especially when you consider we're significantly handicapped by running Windows 8. If we were running Windows 7, 4K QD1 write performance would be well over 700 MB/s.



Incompressible Read IOPS through Queue Depth Scale




For some unknown reason, the EVO does prefer compressible data when reading at 4K QD1. This may be a testing anomaly, and even if it's not, the EVO still has better 4K QD1 incompressible read performance than any drive on the market today.



Incompressible Write IOPS through Queue Scale




Interestingly enough, our write IOPS with incompressible data are significantly better than with compressible data. We're going to chalk this up to differences between runs more than a difference between data types. Samsung's flagship SSD's get faster the more you use them. This defies logic, but it's something I've noticed since the 840 Pro launched.

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