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ADATA XPG SX950 480GB SATA III SSD Review (Page 4)

By Jon Coulter from Oct 23, 2017 @ 14:23 CDT
TweakTown Rating: 94%Manufacturer: ADATA

ATTO

Version and / or Patch Used: 2.47

ATTO is a timeless benchmark used to provide manufacturers with data used for marketing storage products. With ATTO, we are looking at maximum sequential performance with compressible data as well as the performance curve.

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Compressible sequential read/write transfers max out at 564/519 MB/s. Keep in mind this is our OS volume, and it is filled to 75% of its total capacity.

Sequential Write

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Sequential write performance is a bit choppy. This is likely due to the test being run right after filling the drive. We are fairly certain performance would smooth out if we gave the drive some additional idle time.

Sequential Read

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We are looking for a nice smooth performance curve, good small-file performance and high sequential performance on the top end. The XPG SX950 gives us two of the three we are looking for. We would like to see better small-file performance.

Anvil Storage Utilities

Version and / or Patch Used: 1.1.0

Anvil's Storage Utilities is a storage benchmark designed to measure the storage performance of SSDs. The Standard Storage Benchmark performs a series of tests; you can run a full test or just the read or write test, or you can run a single test, i.e., 4k QD16. With Anvil's, we are focused on the total score.

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Scoring

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Anvil's scoring typically provides us with a good indication of a drive's overall synthetic performance. Here again, we would like to see a bit higher score, but we still consider a score of 4,700 to be decent.

(Anvil) Read IOPS through Queue Depth Scale

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With the drive filled to 75% of its total capacity, we fall short of the 90K random IOPS listed on the factory spec. sheet.

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The XPG SX950 delivers respectable performance at QD1-QD2, but higher queue depths falls behind the rest of the drives in our test pool.

(Anvil) Write IOPS through Queue Scale

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With the drive filled to 75% of its total capacity, we fall short of the 90K random IOPS listed on the factory spec. sheet.

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The XPG SX950 delivers fantastic low queue depth random write performance. It falls off the pace at higher queue depths, but that is fine because most transactions occur at QD1-QD2.

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