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OCZ Vertex 450 256GB SSD Review (Page 7)

By Chris Ramseyer from May 23, 2013 @ 7:45 CDT
TweakTown Rating: 92%Manufacturer: OCZ Technology

Anvil Storage Utilities

Version and / or Patch Used: RC6

So what is Anvil Storage Utilities? First of all, it's a storage benchmark for SSD's and HDD's 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.

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.

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


Incompressible Data


The Indilinx Barefoot 3 M10 controller doesn't differentiate between compressible and incompressible data. Here we see nearly identical performance when working with both file types.

Read IOPS through Queue Depth Scale


Even though the performance so far has been very Vector like, there are a few small signs of decreased performance.

Here we see 4K read performance scales through doubling queue depths. Manufacturers like to talk about their high queue depth performance, but most of us rarely see more than QD8 and even QD8 is a rare feat for desktop users. Low queue depth performance is directly related to how fast tasks start, much like the latency test on the previous page. When I explain it in person is the WOW Factor. WOW, that opened fast!

Scaling Write IOPS through Queue Scale


My test system motherboard doesn't like to push more than just over 90K write IOPS and that's why the Samsung 840 Pro and OCZ Vector don't scale all the way to 100K IOPS. With that in mind and assuming your motherboard isn't capable of pushing 100K IOPS, the Vertex 450 and Vector are really close to each other in 4K write IOPS at high queue depths. Again, it's difficult to get into really high queue as a desktop user.

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