G.Skill Falcon II 128GB SSD review

Memory (DDR4/DDR5) and Storage (SSD/NVMe) 357 Page 7 of 12 Published by


SSD Performance Atto Disk Benchmark


Atto Disk Benchmark

One of the finest tools available to measure storage performance is ATTO. I love it to death as it is so reliable and produces such accurate results. The great thing about ATTO is that we can test with predefined block sizes. So we can test with a 32MB sequence of 4KB files, yet also 32MB in 1MB files. This gives us an excellent scope of overall performance with small and large files.

ATTO Write performance

The most important and difficult task for any SSD is .. writing really small files fast, so let's start off there and have look at that with this WRITE test. We scale 4KB block sizes to 1024KB block sizes in bursts of 256MB with a queue depth of 4 and then measure how fast the storage device is dealing with them. The storage units we used:

  • Maxtor 6 Y200M0 200GB
  • WD1500HLFS VelociRaptor
  • OCZ Agility 120GB (MLC)
  • OCZ Vertex Turbo 128GB (MLC)
  • G.Skill Falcon II 128GB (MLC)

We recently added the newest model Western Digital WD1500HLFS VelociRaptor to our test suite, it is the fastest and most expensive 10k RPM HDD your money can get you (Colored in Blue), It's read/write performance is unprecedented good. For a real average experience we dropped the Maxtor in there as well, this represents your average cheapo HDD, colored in light blue.

Then in green the OCZ Vertex Turbo SSD colored in Navy Blue the OCZ Agility SSD and finally in red the bitching fast MLC based Falcon II with dead on 150 MB/sec write performance as advertised.

** Mind you that we updated our ATTO test suite and as such the benchmarks have all been redone, and they can differ a little here and there compared to old test results from aging articles.

ATTO Read performance

The previous test was write performance, but let's have a peek at read performance. All Indilinx controller based SSDs haul ass and definitely take a lead in this particular benchmark though.

The SSDs are overlapping making the results look rather unreadable, but that's roughly 250 MB/sec read performance and you can't hear me complaining, it puts the WD Velociraptor to an absolute shame really.

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