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Samsung 950 PRO SSD RAID-0 Performance

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ATTO Disk Benchmark

The ATTO Disk Benchmark program is free, and offers a comprehensive set of test variables to work with. In terms of disk performance, it measures interface transfer rates at various intervals for a user-specified length and then reports read and write speeds for these spot-tests. There are some minor improvements made to the 2.46 version of the program that allow for test lengths up to 2GB, but all of our benchmarks are conducted with 256MB total length. ATTO Disk Benchmark requires that an active partition be set on the drive being tested. Please consider the results displayed by this benchmark to be basic bandwidth speed performance indicators.

Samsung-950-PRO-RAID-0

1TB Samsung 950 PRO Array ATTO Benchmark Results

Most drive produce a chart like this on the ATTO test: read and write speeds that ramp and plateau. You have to read the number in the “Read” and “Write” columns to appreciate what you’re seeing here. Wait, maybe a graph would be better:

ATTO-Disk-Benchmark_Results

You’ll recall that the real-world bandwidth ceiling of a SATA 6 connection is about 560 megabytes per second. Our 950 PRO array blows through this with a peak read speed of 3.3 gigabytes per second– over six times faster– and a peak write speed of just over 3 gigabytes per second.

In the next section, Benchmark Reviews tests sequential performance using the CrystalDiskMark 3.0 software tool…


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7 comments

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  1. Eric

    Question: Is RAID-0 SSDs worth it?
    Answer: Nope!

    1. David Ramsey

      Not for most people. Still, there are situations where yes, you could indeed use that kind of speed.

  2. David Musoke

    I have this drive configured as a 512GB x2 RAID-0 array.

    1. How can I update its driver from Samsung as it keeps on saying:

    “Samsung NVM Express Drive is not connected. Please connect the device and retry”.

    In fact no software from Samsung recognize my SSD RAID-0 array. What am I supposed to do to fix this? Samsung has not responded to my query…

    2. Can I convert from my RAID-0 array to a single 1TB drive without losing data? If so, how can I do it?
    The speed data you’ve taken there isn’t much difference in performance…

    Thanks,
    David

    1. David Ramsey

      1. Sorry, I don’t know of any way to get the Samsung software to recognize the RAID.

      2. No, there’s no way to convert your RAID 0 array “in place” to a non-RAID 1TB drive. You’ll have to back the drive’s contents up, break the array, created the spanned drive (if your motherboard BIOS supports that) and restore it.

      But why bother? The only thing you’d accomplish is making your 1TB volume somewhat slower. I’m pretty sure if the Samsung software won’t recognize a RAID 0 volume, it won’t recognize a spanned volume either.

  3. Oscar Alejandro Guignant

    Hi, the results obtained with CrystalDiskMark (3286MB/s reads and 2680MB/s writes) are on a software or hardware raid?
    I create a Raid 0 with Intel Raid Controller and not get to those numbers with CrystalDiskMark.

    1. David Ramsey

      Oscar, I created the RAID with the built-in software– i.e. Intel– on the MSI motherboard, which is equipped with two m.2 slots.

  4. Keith

    I recommend using an Asrock Extreme 7+ motherboard with Windows 10 on a flash drive and the latest Intel Rapid Storage Technology drivers on another flash drive. This motherboard will allow you to create a RAID0 array on say thee Samsung 512GB m.2 drives. There are guides on the internet on how to setup the BIOS and go through the required steps.

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