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PNY CS1311 480GB SATA III SSD Review

By: Jon Coulter | SSDs in Storage | Posted: Aug 30, 2016 10:20 pm
TweakTown Rating: 91%Manufacturer: PNY

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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PNY's CS1311 wins this test outright. With our configuration, we are able to easily exceed PNY's 90K maximum read IOPS specification. The CS1311 delivers the highest read IOPS of our test pool.

 

We are not able to sustain PNY's 90K maximum write IOPS specification for more than a few seconds, which is common for planar-based TLC SSDs. By the end of our 30-second test, the drive falls to 77,646 IOPS, however, this is still enough to beat the rest of the SSDs in our test pool.

 

 

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 CS1311 delivers by far the best read response of the bunch, and the SP550 the best write response. Comparing the CS1311 to the other similarly configured S10-powered SSDs in our test pool reveals that the CS1311 delivers the lowest (best) latency.

 

 

DiskBench - Directory Copy

 

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 DC P3700 PCIe 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

 

pny-cs1311-480gb-sata-iii-ssd-review_41

 

Read Transfer Rate

 

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We place particular importance on this testing when comparing planar-based TLC SSDs. Looking at sustained write transfer rates shows exactly why we prefer S10-powered planar TLC SSDs to SMI-powered planar TLC SSDs.

 

The SMI powered drives are actually slower than a typical desktop mechanical HDD when writing large blocks of data.

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