Average Bench: 59.1% (511th of 853)

Based on 1,510 user benchmarks.  Models: ADATA SX900, ADATA SX 900, ADAT SX900

Average average bench

The Adata XPG SX900 128GB averaged 40.8% 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 73.1MB/s
Avg. 4K Random Read Speed 24MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Adata XPG SX900 128GB is 27.9%. 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 141MB/s
Avg. 4K-64Thread Read Speed 107MB/s

Average Bench

(Based on 1,510 samples)
Min Avg Max
344 Read 465 508
108 Write 141 207
152 Mixed 204 253
58.8% 270 MB/s
Min Avg Max
15.5 4K Read 24 32.7
36.1 4K Write 73.1 109
8.57 4K Mixed 13.5 19.1
92.4% 36.9 MB/s
Min Avg Max
19.8 DQ Read 107 192
56.3 DQ Write 127 171
8.35 DQ Mixed 31.6 50
47.6% 88.7 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
13GB free
Firmware: 5.0.7a Max speed: SATA 3.0 600 MB/s
Read 498
Write 158
Mixed 233
65% 296 MB/s
4K Read 35.2
4K Write 110
4K Mixed 21.7
139% 55.6 MB/s
DQ Read 193
DQ Write 159
DQ Mixed 48.2
71% 133 MB/s
80GB free
Firmware: 5.4.1 Max speed: SATA 3.0 600 MB/s
Read 482
Write 122
Mixed 199
58% 268 MB/s
4K Read 29.2
4K Write 94.6
4K Mixed 18.3
118% 47.4 MB/s
DQ Read 168
DQ Write 137
DQ Mixed 49.1
65% 118 MB/s
17GB free
Firmware: 5.0. Max speed: SATA 3.0 600 MB/s
Read 427
Write 136
Mixed 198
55% 254 MB/s
4K Read 18
4K Write 42.2
4K Mixed 14.1
68% 24.8 MB/s
DQ Read 136
DQ Write 134
DQ Mixed 44.2
58% 105 MB/s
1,510 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 3,281,939 SSDs tested.


AmazonUS $87.0326 mins ago.
EbayUS $101.7242 mins ago.
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Typical XPG SX900 128GB Builds (Compare 9,097 builds) See popular component choices, score breakdowns and rankings.
Gaming 54%
Desktop 49%
Workstation 37%
Jet ski

Motherboard: Asus M5A97 R2.0 - $88

EDIT WITH CUSTOM PC BUILDER Value: 60% - Good Total price: $728

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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Solid State Drive Rankings (Price vs Performance) July 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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853 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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AMD Ryzen 7 1700 $268AMD RX 480 $260Samsung 850 Pro 256GB $136
Intel Core i5-7600K $238Nvidia GTX 1060-6GB $239Samsung 850 Evo 500GB $159
Seagate Barracuda 1TB (2016) $50G.SKILL Trident Z DDR4 3200 C14 4x16GB $714SanDisk Extreme 64GB $34
Seagate Barracuda 3TB (2016) $83Corsair Vengeance LPX DDR4 3000 C15 2x8GB $132SanDisk Extreme 32GB $23
Seagate Barracuda 7200.14 1TB $44HyperX Fury DDR4 2133 C14 2x8GB $143SanDisk Ultra Fit 32GB $13
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