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IOOS 4KQD1, and how are some drives getting more than 300MB/s (excluding Optanes)

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  • IOOS 4KQD1, and how are some drives getting more than 300MB/s (excluding Optanes)

    Hello, long time Passmark lurker, first time poster. I recently purchased a Gen4 NVMe drive by XPG (Blade S70 B) , as I was curious of some of the IOPS4KQD1, as there are only a handful of benchmarks that show a steep increase in scores above 300MB/S (I am not sure if it's an average of reading and writing): https://www.harddrivebenchmark.net/iops-4kqd1.html

    I noticed a few results were excluded, due to anomalies in the number of threads: https://www.passmark.com/baselines/V...d=154379236206 "Baseline has been excluded from average results due to anomalies in the submitted results. [Num CPU Processes - Tested: 16, Expected: 32]"

    Tested on April 2nd,

    This model appears older than some of the newer versions:

    https://www.harddrivebenchmark.net/h...0%20BLADE&id=3 3041

    The one I tested is a 1TB variant (
    AGAMMIXS70B-1T-CS​): https://www.harddrivebenchmark.net/h...1T-CS&id=30039 (there are multiple 1TB S70 Bs, some which may have been released in 2021). This particular one scores around 112MB/s. I scored 107MB/s, which is a significant boost compared to my older Crucial P2 (around 64MB/s).

    Some possible reasons for the higher scores, leads me to think they are running 2 or three drives in RAID 1/0 mode, with up to 4 drives in stripe+redundancy.

    Another is RAMDisk, by DataRAM, which I noticed may be a possible boost- one score showed a crystal mark score in the 300MB/s range, although I assume Passmark would detect that.

    Some drives that also got unusually high scores appear to be HDDs (an 8TB drive with 256MB of cache): https://www.passmark.com/baselines/V...d=178381442924 524MB/s There are only 9 total samples, and 4 of the most recent 5 are from the same system.

    While IOPS4KQD1 isn't everything for performance, I am curious if there is something else at play here.

    I've also seen some benchmarks get over 800MB/s.

    This Seagate gets anywhere between 143MB/s and 581MB/s: https://www.passmark.com/baselines/V...d=183151161321

    Without spending a fortune on an Optane drive (which actually seem to get above 300MB/s without using RAID), it seems like the PS5 drives seem to be a great boost for IOPS4KQD1 ​without breaking the bank. The boost from 112MB/S 144MB/s is also quite impressive, and doesn't require a Gen5 PCI-e, since the bottleneck is unaffected for 4KQD1, as all are well under 3.9GB/s.

    Thoughts?

  • #2
    We'll clean up the the 4KQD1 chart a bit. A couple of the top results should be there. Will take a couple of days,

    But yes, Optane is what you want for max IOPS.

    RAID and RAM drives should already be filtered out.

    Comment


    • #3
      Originally posted by David (PassMark) View Post
      We'll clean up the the 4KQD1 chart a bit. A couple of the top results should be there. Will take a couple of days,

      But yes, Optane is what you want for max IOPS.

      RAID and RAM drives should already be filtered out.

      Thanks! The XPG link (one of the 2TB models) in my previous post was meant to redirect to https://www.harddrivebenchmark.net/h...BLADE&id=29198 "id=3 3041" I typed/pasted incorrectly.

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