Average Bench: 87.8% (304th of 1016)

Based on 806 user benchmarks.  Model: MTFDDAK256MBF-1AN1ZABHA

Very good average bench

The Crucial MTFDDAK256MBF-1AN1ZABHA 256GB averaged just 12.2% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Crucial MTFDDAK256MBF-1AN1ZABHA 256GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 197MB/s
Avg. 4K Random Mixed IO Speed 35.8MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Crucial MTFDDAK256MBF-1AN1ZABHA 256GB is 41.6%. This is a relatively wide range which indicates that the Crucial MTFDDAK256MBF-1AN1ZABHA 256GB performs inconsistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 315MB/s
Avg. Sustained Write Speed 333MB/s

Average Bench

(Based on 806 samples)
Min Avg Max
322 Read 396 446
285 Write 363 406
239 Mixed 315 356
247 SusWrite 333 398
79.2% 352 MB/s
Min Avg Max
15.8 4K Read 25.4 32
41.8 4K Write 79 111
21.7 4K Mixed 35.8 46.2
126% 46.8 MB/s
Min Avg Max
25.5 DQ Read 289 373
68.5 DQ Write 272 329
33.8 DQ Mixed 197 252
171% 253 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
127GB free (System drive)
Firmware: M603
SusWrite @10s intervals: 412 414 415 419 420 420 MB/s
Read 449
Write 418
Mixed 355
SusWrite 416
92% 410 MB/s
4K Read 31.6
4K Write 103
4K Mixed 45.6
161% 60 MB/s
DQ Read 362
DQ Write 325
DQ Mixed 240
209% 309 MB/s
69GB free (System drive)
Firmware: M603
SusWrite @10s intervals: 386 388 388 358 302 301 MB/s
Read 421
Write 386
Mixed 353
SusWrite 354
85% 378 MB/s
4K Read 27.3
4K Write 86.6
4K Mixed 39.7
138% 51.2 MB/s
DQ Read 367
DQ Write 310
DQ Mixed 249
211% 308 MB/s
86GB free (System drive)
Firmware: M603
SusWrite @10s intervals: 280 289 292 292 292 294 MB/s
Read 417
Write 296
Mixed 274
SusWrite 290
71% 319 MB/s
4K Read 25.8
4K Write 77.3
4K Mixed 35.3
125% 46.1 MB/s
DQ Read 91.1
DQ Write 273
DQ Mixed 116
108% 160 MB/s
806 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,546,356 SSDs tested.

Typical MTFDDAK256MBF-1AN1ZABHA 256GB Builds (Compare 3,096 builds) See popular component choices, score breakdowns and rankings.
Gaming 24%
Desktop 60%
Workstation 41%
Speed boat

System: HP Z440 Workstation

EDIT WITH CUSTOM PC BUILDER Value: 10% - Terrible Total price: $440

Popular MTFDDAK256MBF-1AN1ZABHA 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 $224
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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