PNY Optima 240GB 2-Drive SSD RAID Report (Page 5)

| Feb 17, 2015 at 9:12 am CST

Iometer - Disk Response

Version and / or Patch Used: 1.1.0

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 is run twice for 30 seconds consecutively, with a five-second ramp-up before each test. The drive/array is partitioned and attached as a secondary device for this testing.

Write Response

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Read Response

PNY Optima 240GB 2-Drive SSD RAID Report 31 | TweakTown.com

Average Disk Response

PNY Optima 240GB 2-Drive SSD RAID Report 32 | TweakTown.com

Write response times benefit most from RAID 0 because of RST write caching. There is a slight latency increase in read response times for an array vs. a single drive. Write response times are far more important than read response times, and the Optima can hold its own with the more expensive arrays on our chart in this category. Read response times are better than our Q series Pro array, but the rest of the arrays on our chart are able to outperform our optima array in this category.

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) of mostly incompressible random data as it's transferred from our DC P3700 PCIe NVME SSD to our test drive/array. We then read from a 6GB zip file that's part of our 28.6GB data block to determine the test drive/array's read transfer rate. The system is restarted prior to the read test to clear any cached data, ensuring an accurate test result.

Write Transfer Rate

PNY Optima 240GB 2-Drive SSD RAID Report 33 | TweakTown.com

Read Transfer Rate

PNY Optima 240GB 2-Drive SSD RAID Report 34 | TweakTown.com
PNY Optima 240GB 2-Drive SSD RAID Report 35 | TweakTown.com

The Silicon Motion SM2246EN is a read centric controller, and is able to read random data a little faster than our Seagate 600 Pro array and our SanDisk Extreme II array. Write transfers are not very impressive because of our Optima's four-channel controller.

Last updated: Apr 7, 2020 at 12:33 pm CDT

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ABOUT THE AUTHOR -

Jon became a computer enthusiast when Windows XP launched. He was into water cooling and benching ATI video cards with modded drivers. Jon has been building computers for others for more than 10 years. Jon became a storage enthusiast the day he first booted an Intel X25-M G1 80GB SSD. Look for Jon to bring consumer SSD reviews into the spotlight.

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