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Intel Optane Memory 32GB M.2 NVMe SSD Review (Page 7)

By Jon Coulter | Apr 24, 2017 11:00 am CDT
Rating: 100%Manufacturer: Intel

Iometer - Maximum IOPS

Version and / or Patch Used: Iometer 2014

We use Iometer to measure high queue depth IOPS performance.

Mechanical HDD only - Intel provided test system:

(Read IOPS at QD32 8GB addressable)

intel-optane-memory-32gb-2-nvme-ssd-review_50

(Write IOPS at QD32 8GB addressable)

intel-optane-memory-32gb-2-nvme-ssd-review_51

And there you have it. The maximum read/write IOPS this mechanical HDD can generate = 342 IOPS.

Optane Memory running as a secondary storage device - Intel provided test system:

(Read at QD16 8GB addressable)

intel-optane-memory-32gb-2-nvme-ssd-review_52

(Write at QD2 8GB addressable)

intel-optane-memory-32gb-2-nvme-ssd-review_53

Typically we run this test on NVMe SSDs at QD256 to see what the max IOPS are at the highest feasible queue depth. With Optane Memory, there is no need to go that high in queue depth. We tested max read at QD 16 and got 335,000 IOPS. We tested max write at QD2 and got 69,000 IOPS.

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.

Mechanical HDD only - Intel provided test system:

(Write response at QD1 8GB addressable)

intel-optane-memory-32gb-2-nvme-ssd-review_54

(Read response at QD1 8GB addressable)

intel-optane-memory-32gb-2-nvme-ssd-review_55

Optane Memory running as a secondary storage device - Intel provided test system:

(Write response at QD1 8GB addressable)

intel-optane-memory-32gb-2-nvme-ssd-review_56

(Read response at QD1 8GB addressable)

intel-optane-memory-32gb-2-nvme-ssd-review_57

We won't waste our time going over the response times of the mechanical HDD. Instead, let's focus in on the read response (read latency at QD1) of the Optane Memory module running on its own. First, we need to take a look at the chart below:

intel-optane-memory-32gb-2-nvme-ssd-review_58

Lower is better, and Optane Memory running on the modest system provided by Intel has 4x lower (better) latency than the best NVMe SSD running on our high-performance Z170 test system. This, in a nutshell, is why 3D XPoint memory is a game changer.

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