Average Bench: 84.6% (356th of 1016)

Based on 859 user benchmarks.  Model: MTFDDAK256MAY-1AH12ABHA

Very good average bench

The Crucial MTFDDAK256MAY-1AH12ABHA 256GB averaged just 15.3% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Crucial MTFDDAK256MAY-1AH12ABHA 256GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 208MB/s
Avg. 4K-64Thread Write Speed 291MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Crucial MTFDDAK256MAY-1AH12ABHA 256GB is 43.4%. This is a relatively wide range which indicates that the Crucial MTFDDAK256MAY-1AH12ABHA 256GB performs inconsistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 281MB/s
Avg. Sustained Write Speed 314MB/s

Average Bench

(Based on 859 samples)
Min Avg Max
320 Read 388 439
298 Write 365 419
240 Mixed 281 313
150 SusWrite 314 396
75.8% 337 MB/s
Min Avg Max
11.4 4K Read 23.6 31.3
36 4K Write 75.7 121
17.1 4K Mixed 32.8 46
118% 44 MB/s
Min Avg Max
107 DQ Read 318 377
118 DQ Write 291 331
44.3 DQ Mixed 208 234
182% 272 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
238GB free
Firmware: M5T4
SusWrite @10s intervals: 408 405 402 400 401 403 MB/s
Read 408
Write 380
Mixed 296
SusWrite 403
84% 372 MB/s
4K Read 28.5
4K Write 90
4K Mixed 38.9
141% 52.5 MB/s
DQ Read 369
DQ Write 316
DQ Mixed 230
203% 305 MB/s
859 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,547,404 SSDs tested.

Typical MTFDDAK256MAY-1AH12ABHA 256GB Builds (Compare 4,739 builds) See popular component choices, score breakdowns and rankings.
Gaming 12%
Tree trunk
Desktop 40%
Jet ski
Workstation 21%

System: HP EliteBook 840 G1


Popular MTFDDAK256MAY-1AH12ABHA 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.
  • - 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) January 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]


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.


1016 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 i5-9600K $218Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $42
Intel Core i5-9400F $154Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $356Nvidia RTX 2060 $349Samsung 850 Pro 512GB $204
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $42Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $653SanDisk Ultra Fit 32GB $16
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