Average Bench: 88.3% (288th of 1011)

Based on 710 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 191MB/s
Avg. 4K Random Mixed IO Speed 38.5MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Adata SU900 256GB is 57.9%. 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 284MB/s
Avg. Sequential Mixed IO Speed 305MB/s
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Average Bench

(Based on 710 samples)
Min Avg Max
366 Read 467 516
101 Write 372 478
30.6 Mixed 305 437
73.9 SusWrite 284 466
79.9% 357 MB/s
Min Avg Max
19 4K Read 27.5 33
16.4 4K Write 75.7 123
20.4 4K Mixed 38.5 50.1
131% 47.2 MB/s
Min Avg Max
29.6 DQ Read 266 353
50.9 DQ Write 253 356
35.6 DQ Mixed 191 292
162% 237 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
161GB free (System drive)
Firmware: Q0125A
SusWrite @10s intervals: 442 416 356 172 429 433 MB/s
Read 453
Write 415
Mixed 402
SusWrite 375
92% 411 MB/s
4K Read 21.6
4K Write 106
4K Mixed 31.8
130% 53.2 MB/s
DQ Read 293
DQ Write 347
DQ Mixed 267
216% 302 MB/s
150GB free (System drive)
Firmware: Q0710B
SusWrite @10s intervals: 389 208 88 53 95 76 MB/s
Read 489
Write 455
Mixed 419
SusWrite 151
85% 379 MB/s
4K Read 29.7
4K Write 96.4
4K Mixed 44.6
153% 56.9 MB/s
DQ Read 294
DQ Write 356
DQ Mixed 273
220% 308 MB/s
204GB free (System drive)
Firmware: Q1018HD
SusWrite @10s intervals: 407 413 410 368 366 363 MB/s
Read 415
Write 377
Mixed 353
SusWrite 388
86% 383 MB/s
4K Read 17.2
4K Write 89.2
4K Mixed 30.8
113% 45.7 MB/s
DQ Read 349
DQ Write 342
DQ Mixed 288
232% 327 MB/s
34GB free
Firmware: Q1018HD
SusWrite @10s intervals: 439 463 464 202 129 77 MB/s
Read 507
Write 466
Mixed 423
SusWrite 296
95% 423 MB/s
4K Read 30
4K Write 98.4
4K Mixed 44.5
155% 57.6 MB/s
DQ Read 30.1
DQ Write 92.5
DQ Mixed 44.6
39% 55.7 MB/s
48GB free
Firmware: Q0125A
SusWrite @10s intervals: 171 75 75 80 83 80 MB/s
Read 468
Write 164
Mixed 27.2
SusWrite 94.1
41% 188 MB/s
4K Read 29.8
4K Write 17.2
4K Mixed 30.6
94% 25.9 MB/s
DQ Read 294
DQ Write 193
DQ Mixed 46.1
88% 178 MB/s
99GB free (System drive)
Firmware: Q0710B
SusWrite @10s intervals: 184 116 76 97 76 95 MB/s
Read 514
Write 482
Mixed 435
SusWrite 107
86% 384 MB/s
4K Read 32.2
4K Write 23.7
4K Mixed 21.6
89% 25.8 MB/s
DQ Read 274
DQ Write 110
DQ Mixed 192
142% 192 MB/s
710 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 19,105,085 SSDs tested.

Typical SU900 256GB Builds (Compare 27,593 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) - $120

EDIT WITH CUSTOM PC BUILDER Value: 73% - Very good Total price: $837

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.

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.
  • - 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) November 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 $148Nvidia GTX 1660 $210Crucial MX500 250GB $45
Intel Core i5-9600K $210Nvidia GTX 1660S (Super) $234Samsung 850 Evo 120GB $150
Intel Core i7-9700K $349Nvidia GTX 1660-Ti $260Samsung 860 Evo 250GB $49
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $612SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $75Corsair Vengeance LPX DDR4 3200 C16 2x8GB $68SanDisk Ultra Fit 32GB $14
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