Average Bench: 61.9% - 453rd / 836

Based on 90 user benchmarks.  Model: ADATA SP550

Above average average bench

The Adata Premier SP550 960GB averaged 38.1% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.


Avg. 4K Random Read Speed 22.8MB/s
Avg. Sequential Read Speed 422MB/s
See where your SSD ranks →

Good consistency

The range of scores (95th - 5th percentile) for the Adata Premier SP550 960GB is 25.8%. This is a relatively narrow range which indicates that the Adata Premier SP550 960GB performs reasonably consistently under varying real world conditions.


Avg. 4K-64Thread Mixed IO Speed 30.8MB/s
Avg. 4K-64Thread Write Speed 116MB/s

Average Bench

(Based on 90 samples)
Min Avg Max
352 Read 422 441
195 Write 241 262
180 Mixed 236 254
66% 300 MB/s
Min Avg Max
16.4 4K Read 22.8 27.9
26.2 4K Write 47.1 64.6
8.98 4K Mixed 16.5 22.1
80.6% 28.8 MB/s
Min Avg Max
20.3 DQ Read 170 300
34.1 DQ Write 116 175
8.8 DQ Mixed 30.8 45.5
53.2% 105 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
574GB free
Firmware: O1126A Max speed: SATA 3.0 600 MB/s
Read 433
Write 241
Mixed 245
68% 306 MB/s
4K Read 26.7
4K Write 59.7
4K Mixed 21.4
99% 35.9 MB/s
DQ Read 285
DQ Write 174
DQ Mixed 44.1
83% 168 MB/s
844GB free
Firmware: O1126A Max speed: SATA 3.0 600 MB/s
Read 432
Write 231
Mixed 248
67% 304 MB/s
4K Read 27.4
4K Write 55.7
4K Mixed 18.1
94% 33.8 MB/s
DQ Read 284
DQ Write 161
DQ Mixed 41.5
79% 162 MB/s
88GB free
Firmware: O1126A Max speed: SATA 3.0 600 MB/s
Read 433
Write 263
Mixed 252
70% 316 MB/s
4K Read 27.9
4K Write 62.2
4K Mixed 19.7
100% 36.6 MB/s
DQ Read 29.3
DQ Write 67.3
DQ Mixed 13.4
20% 36.7 MB/s
288GB free
Firmware: O1126A Max speed: SATA 3.0 600 MB/s
Read 436
Write 237
Mixed 246
68% 306 MB/s
4K Read 22.4
4K Write 34.5
4K Mixed 10.9
66% 22.6 MB/s
DQ Read 23.9
DQ Write 38.5
DQ Mixed 10.5
14% 24.3 MB/s

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 2,130,604 SSDs tested.


AmazonUS $280.008 mins ago.
NeweggUS $280.008 hrs ago.
EbayUS $326.8113 mins ago.
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Typical Premier SP550 960GB Builds (Compare 3,985 builds) See popular component choices, score breakdowns and rankings.
Gaming 107%
Desktop 84%
Aircraft carrier
Workstation 68%
Battle cruiser

Motherboard: MSI Z170A GAMING M5 (MS-7977) - $160

EDIT WITH CUSTOM PC BUILDER Value: 99% - Outstanding Total price: $1,207

Popular Premier SP550 960GB compatible motherboards:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

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How it works

  • - Download and run UserBenchMark (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) February 2017 SSD Rankings.

Welcome to our consumer SSD comparison. We calculate effective speed based on real world performance then adjust by cost per GB to yield a value for money rating. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top SSDs. Share your opinion by voting. [SSDrivePro]



Controller: Silicon Motion SM2256. Flash Memory: SK Hynix 16nm TLC.

Faster and bigger, your superior upgrade solution....

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836 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

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Seagate Barracuda 3TB (2016) $90G.SKILL Trident Z DDR4 3200 C14 4x16GB $650SanDisk Extreme 32GB $26
Seagate Barracuda 7200.14 1TB $37HyperX Fury DDR4 2133 C14 2x8GB $123SanDisk Extreme 16GB $18
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