Average Bench: 74% (593rd of 1071)

Based on 9,430 user benchmarks.  Models: ADATA SP900, ADATA SSD SP900 256GB-DL2, ADATA SP 900

Good average bench

The Adata SP900 256GB averaged 26.0% 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-64Thread Mixed IO Speed 176MB/s
Avg. 4K Random Mixed IO Speed 34.9MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Adata SP900 256GB is 36.3%. This is a relatively wide range which indicates that the Adata SP900 256GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 177MB/s
Avg. Sequential Write Speed 248MB/s

Average Bench

(Based on 9,430 samples)
Min Avg Max
290 Read 353 419
169 Write 248 303
217 Mixed 264 299
111 SusWrite 177 236
58.3% 261 MB/s
Min Avg Max
17.4 4K Read 27.2 33.9
32.5 4K Write 80.3 111
21.1 4K Mixed 34.9 44.1
128% 47.4 MB/s
Min Avg Max
85.4 DQ Read 213 290
95.9 DQ Write 216 264
67.4 DQ Mixed 176 247
143% 202 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
217GB free
Firmware: 5.0.7b
SusWrite @10s intervals: 220 212 206 209 209 207 MB/s
Read 436
Write 268
Mixed 292
SusWrite 211
67% 302 MB/s
4K Read 31
4K Write 89.8
4K Mixed 36.6
141% 52.5 MB/s
DQ Read 286
DQ Write 253
DQ Mixed 146
143% 228 MB/s
58GB free
Firmware: 5.0.7b
SusWrite @10s intervals: 239 241 247 236 240 238 MB/s
Read 388
Write 276
Mixed 300
SusWrite 240
67% 301 MB/s
4K Read 29.7
4K Write 73.3
4K Mixed 35.3
129% 46.1 MB/s
DQ Read 291
DQ Write 261
DQ Mixed 168
155% 240 MB/s
232GB free
Firmware: 5.2.5
SusWrite @10s intervals: 186 180 203 198 193 200 MB/s
Read 454
Write 296
Mixed 318
SusWrite 193
70% 316 MB/s
4K Read 27.7
4K Write 78.9
4K Mixed 36.2
130% 47.6 MB/s
DQ Read 267
DQ Write 270
DQ Mixed 252
194% 263 MB/s
9,430 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 65,310,213 SSDs tested.


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Typical SP900 256GB Builds (Compare 1,729 builds) See popular component choices, score breakdowns and rankings.
Gaming 7%
Tree trunk
Desktop 59%
Workstation 7%
Tree trunk

System: Dell Latitude E6540

EDIT WITH CUSTOM PC BUILDER Value: 36% - Below average Total price: $331

Popular SP900 256GB systems:

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.

UserBenchmark of the month

How it works

  • - Download and run UserBenchmark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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 current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
Solid State Drive Rankings (Price vs Performance) March 2023 SSD Rankings.

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. [SSDrivePro]


Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.


Controller: LSI SandForce SF2281. NAND Flash: Intel Micron Synchronous 25nm MLC

Added n/a ago.


2 months ago.

its fine, not the fastest but gets the job done

1071 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

 Best User Rated

The Best.
Intel Core i5-13600K $320Nvidia RTX 3060 $350Crucial MX500 250GB $34
Intel Core i5-12600K $194Nvidia RTX 3060-Ti $420Samsung 850 Evo 120GB $106
Intel Core i5-12400F $158Nvidia RTX 4070-Ti $830Samsung 860 Evo 250GB $50
Seagate Barracuda 1TB (2016) $34Corsair Vengeance LPX DDR4 3200 C16 2x8GB $43SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $381SanDisk Ultra Fit 32GB $16
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