Average Bench: 88.2% (291st of 1011)

Based on 638 user benchmarks.  Model: ADATA SU900

Very good average bench

The Adata SU900 256GB averaged just 11.7% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Adata SU900 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 190MB/s
Avg. 4K Random Mixed IO Speed 38.2MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Adata SU900 256GB is 58%. This is a relatively wide range which indicates that the Adata SU900 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 289MB/s
Avg. Sequential Mixed IO Speed 313MB/s
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Average Bench

(Based on 638 samples)
Min Avg Max
365 Read 466 516
107 Write 376 478
30.8 Mixed 313 437
73.9 SusWrite 289 466
80.9% 361 MB/s
Min Avg Max
17.7 4K Read 27.4 33
15.5 4K Write 75.4 122
20.2 4K Mixed 38.2 49.9
130% 47 MB/s
Min Avg Max
29 DQ Read 262 353
62 DQ Write 253 356
34.6 DQ Mixed 190 292
161% 235 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
144GB free (System drive)
Firmware: 8HD
SusWrite @10s intervals: 454 456 460 458 458 463 MB/s
Read 498
Write 464
Mixed 444
SusWrite 458
105% 466 MB/s
4K Read 33.4
4K Write 118
4K Mixed 50.3
178% 67.4 MB/s
DQ Read 356
DQ Write 350
DQ Mixed 292
236% 333 MB/s
129GB free (System drive)
Firmware: Q0125A
SusWrite @10s intervals: 451 462 467 473 200 370 MB/s
Read 500
Write 458
Mixed 421
SusWrite 404
100% 446 MB/s
4K Read 32.2
4K Write 122
4K Mixed 49.1
176% 67.8 MB/s
DQ Read 218
DQ Write 343
DQ Mixed 268
206% 276 MB/s
212GB free (System drive)
Firmware: Q1018HD
SusWrite @10s intervals: 428 393 388 415 428 427 MB/s
Read 462
Write 433
Mixed 407
SusWrite 413
97% 429 MB/s
4K Read 26.6
4K Write 127
4K Mixed 36.8
155% 63.5 MB/s
DQ Read 350
DQ Write 340
DQ Mixed 288
232% 326 MB/s
122GB free (System drive)
Firmware: Q1018HD
SusWrite @10s intervals: 401 408 390 399 397 397 MB/s
Read 424
Write 402
Mixed 362
SusWrite 399
89% 397 MB/s
4K Read 27.5
4K Write 71
4K Mixed 38
128% 45.5 MB/s
DQ Read 250
DQ Write 236
DQ Mixed 217
170% 234 MB/s
194GB free (System drive)
Firmware: Q1018HD
SusWrite @10s intervals: 386 415 433 414 415 402 MB/s
Read 408
Write 365
Mixed 348
SusWrite 411
86% 383 MB/s
4K Read 17.2
4K Write 47.7
4K Mixed 26.2
85% 30.4 MB/s
DQ Read 334
DQ Write 344
DQ Mixed 289
231% 322 MB/s
77GB free (System drive)
Firmware: Q0125A
SusWrite @10s intervals: 148 76 76 88 81 76 MB/s
Read 502
Write 404
Mixed 41.5
SusWrite 90.8
57% 260 MB/s
4K Read 30
4K Write 60.7
4K Mixed 43.3
133% 44.7 MB/s
DQ Read 292
DQ Write 193
DQ Mixed 148
136% 211 MB/s
16GB free (System drive)
Firmware: Q1018HD
SusWrite @10s intervals: 234 230 164 224 141 106 MB/s
Read 364
Write 155
Mixed 148
SusWrite 183
47% 212 MB/s
4K Read 13.4
4K Write 53.7
4K Mixed 22.8
78% 30 MB/s
DQ Read 185
DQ Write 96.2
DQ Mixed 142
105% 141 MB/s
638 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 17,588,225 SSDs tested.

Typical SU900 256GB Builds (Compare 25,691 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 58%
Gunboat
Desktop
Desktop 83%
Aircraft carrier
Workstation
Workstation 68%
Battle cruiser

Motherboard: MSI Z370-A PRO (MS-7B48) - $107

EDIT WITH CUSTOM PC BUILDER Value: 75% - Very good Total price: $777

Popular SU900 256GB 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.
  • - 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.
  • - 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.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) September 2019 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]

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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.

 Comments

1011 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.
CPUGPUSSD
Intel Core i5-9400F $140Nvidia GTX 1660 $220Samsung 850 Evo 250GB $80
Intel Core i5-9600K $219Nvidia GTX 1660-Ti $278Samsung 850 Evo 500GB $105
AMD Ryzen 5 3600 $195Nvidia RTX 2060 $340Samsung 850 Pro 256GB $215
HDDRAMUSB
Seagate Barracuda 1TB (2016) $42Corsair Vengeance LPX DDR4 3000 C15 2x8GB $70SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $34G.SKILL Trident Z DDR4 3200 C14 4x16GB $630SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3200 C16 2x8GB $66SanDisk Extreme 16GB $24
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