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MyDigitalSSD BPX 480GB M.2 NVMe PCIe SSD Review

By: Jon Coulter | m.2 SSDs in Storage | Posted: Feb 13, 2017 1:20 pm
TweakTown Rating: 94%Manufacturer: MyDigitalSSD

Iometer – Maximum IOPS

 

Version and / or Patch Used: Iometer 2014

 

We use Iometer to measure high queue depth performance. (No Partition)

 

Max IOPS Read

 

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Max IOPS Write

 

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We test NVMe SSDs using eight threads at QD32, or QD256. We do this because we want to see what the drive can generate at its maximum viable queue depth.

 

Running all-out, the BPX is capable of generating more read/write IOPS than OCZ's RD400, Samsung's 950 Pro, and Intel's 600p.

 

 

Iometer – Disk Response

 

Version and / or Patch Used: Iometer 2014

 

We use Iometer to measure disk response times. Disk response times are measured at an industry accepted standard of 4K QD1 for both write and read. Each test runs twice for 30 seconds consecutively, with a 5-second ramp-up before each test. We partition the drive/array as a secondary device for this testing.

 

Avg. Write Response

 

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Avg. Read Response

 

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The BPX may have slightly lower performing flash than the Hellfire, but this doesn't manifest itself at QD1 when the drive is empty. The BPX delivers better (lower) read response than Intel's 750 and 600p.

 

DiskBench – Transfer Rate

 

Version and / or Patch Used: 2.6.2.0

 

We use DiskBench to time a 28.6GB block (9,882 files in 1,247 folders) composed primarily of incompressible sequential and random data as it's transferred from our Toshiba RD400 1TB NVME SSD to our test drive. We then read from a 6GB zip file that's part of our 28.6GB data block to determine the test drive's read transfer rate. Our system is restarted prior to the read test to clear any cached data, ensuring an accurate test result.

 

Write Transfer Rate

 

mydigitalssd-bpx-480gb-2-nvme-pcie-ssd-review_37

 

Read Transfer Rate

 

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We recently upgraded our test system to Windows 10 build 14393. With that upgrade, write transfer rates almost doubled. The reason for this, as far as we know, is that CPU power switching modes have been relaxed on the latest version of Windows 10. We included the NVMe drives we've tested to date on this build of Windows 10. If you needed a good reason to upgrade to Windows 10 build 14393, this is a good reason.

 

The BPX is priced similarly to Intel's 600p, and yet it delivers four times the sustained write performance.

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