Average Bench: 86.5% (345th of 1040)

Based on 1,310 user benchmarks.  Model: ADATA SU900

Very good average bench

The Adata SU900 256GB averaged just 13.4% 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 192MB/s
Avg. 4K Random Mixed IO Speed 37.5MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the Adata SU900 256GB is 63.2%. This is a particularly wide range which indicates that the Adata SU900 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 266MB/s
Avg. Sequential Mixed IO Speed 304MB/s
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Average Bench

(Based on 1,310 samples)
Min Avg Max
362 Read 471 515
113 Write 379 478
31.7 Mixed 304 437
67.6 SusWrite 266 466
79.4% 355 MB/s
Min Avg Max
18.9 4K Read 27.6 33.1
15.5 4K Write 73.2 118
17.5 4K Mixed 37.5 49.4
129% 46.1 MB/s
Min Avg Max
32.1 DQ Read 274 353
38.2 DQ Write 245 360
34.1 DQ Mixed 192 292
162% 237 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
190GB free (System drive)
Firmware: Q0710B
SusWrite @10s intervals: 308 296 373 427 427 427 MB/s
Read 460
Write 440
Mixed 400
SusWrite 376
94% 419 MB/s
4K Read 27
4K Write 105
4K Mixed 48.4
158% 60 MB/s
DQ Read 295
DQ Write 336
DQ Mixed 267
214% 299 MB/s
37GB free (System drive)
Firmware: Q1018HD
SusWrite @10s intervals: 438 336 179 75 77 84 MB/s
Read 510
Write 446
Mixed 193
SusWrite 198
75% 337 MB/s
4K Read 30.4
4K Write 37.6
4K Mixed 32.6
108% 33.5 MB/s
DQ Read 346
DQ Write 90.7
DQ Mixed 210
157% 216 MB/s
41GB free (System drive)
Firmware: Q1018HD
SusWrite @10s intervals: 337 370 177 84 76 88 MB/s
Read 448
Write 373
Mixed 192
SusWrite 189
67% 300 MB/s
4K Read 25.6
4K Write 50.6
4K Mixed 32.1
107% 36.1 MB/s
DQ Read 337
DQ Write 176
DQ Mixed 155
142% 223 MB/s
40GB free (System drive)
Firmware: Q0710B
SusWrite @10s intervals: 114 52 52 64 29 32 MB/s
Read 471
Write 253
Mixed 30.1
SusWrite 56.9
44% 203 MB/s
4K Read 28.3
4K Write 52.5
4K Mixed 38.4
120% 39.7 MB/s
DQ Read 184
DQ Write 151
DQ Mixed 69.9
79% 135 MB/s
1,310 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 34,812,379 SSDs tested.

Typical SU900 256GB Builds (Compare 18,839 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 47%
Yacht
Desktop
Desktop 82%
Aircraft carrier
Workstation
Workstation 43%
Speed boat

Motherboard: MSI B450 Tomahawk - $130

EDIT WITH CUSTOM PC BUILDER Value: 81% - Excellent Total price: $558

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 2020 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

1040 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 i5-9600K $190Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $34
Intel Core i5-9400F $153Nvidia RTX 3070 $500Samsung 850 Evo 120GB $78
Intel Core i5-10600K $260Nvidia GTX 1650S (Super) $190Samsung 860 Evo 250GB $50
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $64SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $71SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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