Iometer - Maximum IOPS
Version and / or Patch Used: Iometer 2014
We use Iometer to measure high queue depth performance. (No Partition)
Max IOPS Read
Max IOPS Write
We're not sure what is going on with the 480GB SP550. The 480GB model would logically have the best read performance of the series, but it's by far the worst of the bunch. The 480GB model is reading below specification. And the 240GB model is writing below specification. Only the 120GB model can meet and exceed its given max IOPS specifications.
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
Avg. Read Response
The 480GB SP550 delivers very good write response. The SP550 at all capacity points deliver below average read response times.
DiskBench - Directory Copy
Version and / or Patch Used: 184.108.40.206
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 drives read transfer rate. Our system is restarted before the read test to clear any cached data, ensuring an accurate test result.
Write Transfer Rate
Read Transfer Rate
This test best exposes non-Samsung TLC flash based drives. Sustained writes bring the all the TLC drives in our test pool to their knees. If you are going to transfer large chunks of data on a regular basis, then the SP550 and all other non-Samsung TLC drives we've tested are not for you.
PRICING: You can find the ADATA SP550 240GB SSD for sale below. The prices listed are valid at the time of writing, but can change at any time. Click the link below to see real-time pricing for the best deal:
United States: The ADATA SP550 240GB SSD retails for $73 at Amazon.
United Kingdom: The ADATA SP550 240GB SSD retails for £81 at Amazon UK.
- Page 1 [Introduction, Drive Specifications, Pricing and Availability]
- Page 2 [Drive Details]
- Page 3 [Test System Setup and Properties]
- Page 4 [Synthetic Benchmarks - ATTO & Anvil Storage Utilities]
- Page 5 [Synthetic Benchmarks - CrystalDiskMark & AS SSD]
- Page 6 [Benchmarks (Trace Based OS Volume) - PCMark Vantage, PCMark 7 & PCMark 8]
- Page 7 [Benchmarks (Secondary Volume) - Max IOPS, Disk Response & Transfer Rates]
- Page 8 [Benchmarks (Secondary Volume) - PCMark 8 Extended]
- Page 9 [Benchmarks (Secondary Volume) - 70/30 Mixed Workload]
- Page 10 [Maxed-Out Performance (MOP)]
- Page 11 [Final Thoughts]
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