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Intel Optane SSD 905P 960GB AIC NVMe PCIe SSD Review (Page 7)

By Jon Coulter from May 9, 2018 @ 10:00 CDT
TweakTown Rating: 100%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 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.

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. A perfect illustration of why the 905P is the world's most responsive SSD. It is a bit more responsive than the 900P, and roughly 5x more responsive than Samsung's 960 Pro when reading random 4K data at QD1. This is where flash SSDs are at their worst, and where Optane is at its best.

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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This lineup, like our SYSmark lineup, is a bit different than the rest of our charts. We included the NVMe SSDs we've tested to date using newer builds of Windows 10. We tested both read and write transfer rates on our patched system and read only on our unpatched system. We didn't want to go through the trouble of multiple clones to obtain write transfer rates on our unpatched system.

Even when patched, the 905P delivers the best write transfer rate of any SSD we've tested to date. It is significantly better than the 900P. Our read block is composed of mostly sequential data and therefore most of the flash-based contenders deliver a better-read transfer rate than the 905P.

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