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Samsung 850 Pro 512GB SSD Review

By: Chris Ramseyer | SSDs in Storage | Posted: Sep 1, 2014 9:10 pm
TweakTown Rating: 94%Manufacturer: Samsung

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 performance with compressible data and incompressible data is the same, so you don't have to worry about performance loss while editing audio and video files.



Low Queue Depth Read IOPS




The number of drives on the market that can reach 10,000 4K random read IOPS at QD1 can be counted on one hand. The Samsung 850 Pro 512GB just increased the list by one. Unlike the 840 EVO, the 850 Pro manages to make the magical 10K list without using a SLC write method in the flash translation layer. This drive manages 10K IOPS with the 3D V-NAND MLC.


Here you can also see that the performance scales very well. By QD4 the 850 Pro has walked away from the other drives by a significant margin.


High Queue Depth Read IOPS




It's difficult to reach high read queue depths in a normal desktop environment. That said, the 850 Pro really gets up and goes as the commands stack up.


Low Queue Depth Write IOPS




Samsung quotes the maximum random write performance at 90K IOPS and the drive nearly gets to that at QD4.


High Queue Depth Write IOPS




By QD8, the 850 Pro 512GB hits 90K write IOPS, and holds that mark all the way to QD32 without dropping back down.

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