Average Bench: 86.7% (321st of 1021)

Based on 21,614 user benchmarks.  Models: Crucial_CT512MX100SSD1, Crucial_ CT512MX100SS, Crucial_CT512MX1, Crucial_ Crucial_CT512MX1, Crucial_ CT512MX100SSD1

Very good average bench

The Crucial MX100 512GB averaged just 13.2% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Crucial MX100 512GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 167MB/s
Avg. 4K Random Mixed IO Speed 36.9MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Crucial MX100 512GB is 42.4%. This is a relatively wide range which indicates that the Crucial MX100 512GB performs inconsistently under varying real world conditions.


Avg. 4K-64Thread Read Speed 150MB/s
Avg. Sequential Mixed IO Speed 300MB/s

Average Bench

(Based on 21,614 samples)
Min Avg Max
317 Read 401 439
327 Write 421 469
257 Mixed 300 327
143 SusWrite 333 462
81.9% 364 MB/s
Min Avg Max
17.9 4K Read 25.8 30.3
43.3 4K Write 85.2 118
23.2 4K Mixed 36.9 44.8
132% 49.3 MB/s
Min Avg Max
130 DQ Read 150 182
97.6 DQ Write 284 360
105 DQ Mixed 167 182
141% 201 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
120GB free (System drive)
Firmware: MU01
SusWrite @10s intervals: 338 265 244 230 226 218 MB/s
Read 405
Write 434
Mixed 309
SusWrite 254
79% 350 MB/s
4K Read 28.7
4K Write 99.3
4K Mixed 40.5
148% 56.2 MB/s
DQ Read 176
DQ Write 336
DQ Mixed 179
158% 230 MB/s
345GB free (System drive)
Firmware: MU01
SusWrite @10s intervals: 422 438 443 443 447 445 MB/s
Read 348
Write 382
Mixed 266
SusWrite 440
81% 359 MB/s
4K Read 25.9
4K Write 70.4
4K Mixed 34.3
120% 43.5 MB/s
DQ Read 146
DQ Write 293
DQ Mixed 181
148% 206 MB/s
162GB free
Firmware: MU01
SusWrite @10s intervals: 334 344 358 351 326 346 MB/s
Read 351
Write 382
Mixed 283
SusWrite 343
77% 340 MB/s
4K Read 25.6
4K Write 70.8
4K Mixed 34.2
120% 43.5 MB/s
DQ Read 147
DQ Write 319
DQ Mixed 179
152% 215 MB/s
21,614 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 26,404,202 SSDs tested.

Typical MX100 512GB Builds (Compare 17,314 builds) See popular component choices, score breakdowns and rankings.
Gaming 53%
Desktop 77%
Workstation 60%

Motherboard: Asus Z97-A - $150

EDIT WITH CUSTOM PC BUILDER Value: 45% - Average Total price: $1,093

Popular MX100 512GB 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) May 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.


Controller: Marvell 88SS9189. Flash Memory: Micron 16nm MLC

The choice between speed and capacity is over, choose both...

Added 4 years ago.


16 months ago.

Have used 512GB version for years! Love it!

1021 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 i5-9400F $165Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $49
Intel Core i5-9600K $199Nvidia GTX 1650S (Super) $160Samsung 850 Evo 120GB $78
Intel Core i7-9700K $370Nvidia RTX 2070S (Super) $500Samsung 860 Evo 250GB $56
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $75SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Ultra Fit 32GB $16
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