Average Bench: 59.5% - 492nd / 836

Based on 1,177 user benchmarks.  Models: ADATA SX900, ADATA SX 900, ADAT SX900

Average average bench

The Adata XPG SX900 128GB averaged 40.4% 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 Write Speed 74.8MB/s
Avg. 4K Random Read Speed 24.6MB/s
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Good consistency

The range of scores (95th - 5th percentile) for the Adata XPG SX900 128GB is 29.7%. This is a relatively narrow range which indicates that the Adata XPG SX900 128GB performs reasonably consistently under varying real world conditions.


Avg. Sequential Write Speed 143MB/s
Avg. 4K-64Thread Read Speed 111MB/s

Average Bench

(Based on 1,177 samples)
Min Avg Max
310 Read 454 506
109 Write 143 218
157 Mixed 205 253
58.3% 267 MB/s
Min Avg Max
16 4K Read 24.6 32.9
37.6 4K Write 74.8 110
8.84 4K Mixed 13.9 19.9
94.6% 37.7 MB/s
Min Avg Max
21.2 DQ Read 111 194
54.7 DQ Write 126 190
8.82 DQ Mixed 30.6 53
47.5% 89.3 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
49GB free
Firmware: 5.0.7a Max speed: SATA 3.0 600 MB/s
Read 475
Write 195
Mixed 229
66% 300 MB/s
4K Read 28.7
4K Write 59.1
4K Mixed 13.8
92% 33.9 MB/s
DQ Read 27.3
DQ Write 157
DQ Mixed 48
50% 77.4 MB/s
38GB free
Firmware: 5.0. Max speed: SATA 3.0 600 MB/s
Read 471
Write 128
Mixed 221
60% 273 MB/s
4K Read 25.7
4K Write 56.3
4K Mixed 14.5
87% 32.2 MB/s
DQ Read 78.2
DQ Write 135
DQ Mixed 25.2
42% 79.3 MB/s
119GB free
Firmware: 5.0.7a Max speed: SATA 3.0 600 MB/s
Read 293
Write 185
Mixed 193
49% 224 MB/s
4K Read 22.6
4K Write 59.5
4K Mixed 11
80% 31 MB/s
DQ Read 31
DQ Write 97.6
DQ Mixed 12.1
24% 46.9 MB/s
6GB free
Firmware: 5.4.1 Max speed: SATA 3.0 600 MB/s
Read 315
Write 126
Mixed 168
44% 203 MB/s
4K Read 20.8
4K Write 37.8
4K Mixed 9.8
64% 22.8 MB/s
DQ Read 25.5
DQ Write 66.6
DQ Mixed 9.91
18% 34 MB/s

 Market Share (See Leaders)

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


NeweggUS $67.9816 months ago.
AmazonUS $162.9914 mins ago.
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Typical XPG SX900 128GB Builds (Compare 5,943 builds) See popular component choices, score breakdowns and rankings.
Gaming 70%
Desktop 52%
Workstation 40%
Speed boat

Motherboard: Asus M5A97 R2.0 - $83

EDIT WITH CUSTOM PC BUILDER Value: 81% - Excellent Total price: $634

Popular XPG SX900 128GB 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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  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
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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: LSI SandForce SF2281VB1-SDC. Flash Memory: Intel Micron Synchronous 25nm MLC.

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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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