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Intel Optane SSD 800P 58GB & 118GB M.2 NVMe PCIe SSD Review (Page 7)

By Jon Coulter from Mar 8, 2018 @ 11:30 CST
TweakTown Rating: 97%Manufacturer: Intel

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 typically NVMe SSDs using eight threads at QD32 (QD256). We do this because we want to see what the drive can generate at its maximum attainable queue depth. With the 800P we found that is does not like queue depths higher than QD128. This BTW is the same performance that can be achieved at QD8 read and QD4 write with the Optane 800P.

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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And there you have it. This is why Optane is the world's most responsive SSD. Look at the 800P's read response. It is 5.6x better than the 960 Pro 2TB which is the world's best performing flash-based consumer SSD.

Compared with Intel's 1.2TB SSD 750, the Optane SSD 800P is delivering 7.5x the random read performance at QD1. Keep in mind that the vast majority of system disk transactions are random read at QD1 which is why this metric is so important to consider.

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

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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 this and newer versions 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 a newer version of Windows 10; this is a good reason.

Here we are hitting the limits if what Optane can do with 2-channels running on two lanes of PCIe. As a boot drive transfers of this nature will be a rare occurrence if they ever happen at all.

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