Average Bench: 86% (331st of 1016)

Based on 18,431 user benchmarks.  Models: Crucial_CT512MX100SSD1, Crucial_ CT512MX100SS, Crucial_CT512MX1, Crucial_ Crucial_CT512MX1, Crucial_ CT512MX100SSD1

Very good average bench

The Crucial MX100 512GB averaged just 14.0% 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 163MB/s
Avg. 4K Random Mixed IO Speed 37.3MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Crucial MX100 512GB is 47.4%. 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 146MB/s
Avg. Sequential Mixed IO Speed 297MB/s

Average Bench

(Based on 18,431 samples)
Min Avg Max
314 Read 399 438
315 Write 418 470
234 Mixed 297 329
125 SusWrite 310 463
80.2% 356 MB/s
Min Avg Max
18.2 4K Read 26.1 30.6
44.3 4K Write 87.2 120
25 4K Mixed 37.3 45.1
134% 50.2 MB/s
Min Avg Max
77.4 DQ Read 146 182
98.6 DQ Write 293 363
57 DQ Mixed 163 182
140% 201 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
312GB free
Firmware: MU03
SusWrite @10s intervals: 443 445 445 449 450 449 MB/s
Read 415
Write 447
Mixed 314
SusWrite 447
92% 406 MB/s
4K Read 27.1
4K Write 84.2
4K Mixed 38.7
135% 50 MB/s
DQ Read 149
DQ Write 300
DQ Mixed 181
150% 210 MB/s
161GB free (System drive)
Firmware: MU01
SusWrite @10s intervals: 175 319 252 252 255 258 MB/s
Read 400
Write 421
Mixed 304
SusWrite 252
77% 344 MB/s
4K Read 23.1
4K Write 61.5
4K Mixed 32.3
109% 39 MB/s
DQ Read 150
DQ Write 344
DQ Mixed 180
156% 225 MB/s
448GB free (System drive)
Firmware: MU01
SusWrite @10s intervals: 156 287 347 334 331 334 MB/s
Read 283
Write 341
Mixed 243
SusWrite 298
66% 291 MB/s
4K Read 21.5
4K Write 70.9
4K Mixed 30.3
109% 40.9 MB/s
DQ Read 27.9
DQ Write 110
DQ Mixed 38.1
38% 58.8 MB/s
18,431 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,680,567 SSDs tested.

Typical MX100 512GB Builds (Compare 15,071 builds) See popular component choices, score breakdowns and rankings.
Gaming 52%
Desktop 72%
Workstation 50%

Motherboard: Asus Z97-A - $150

EDIT WITH CUSTOM PC BUILDER Value: 41% - Average Total price: $1,126

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) 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.


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

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

Added 4 years ago.


12 months ago.

Have used 512GB version for years! Love it!

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 $43
Intel Core i5-9400F $155Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $370Nvidia RTX 2060 $340Samsung 850 Pro 512GB $204
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $643SanDisk Ultra Fit 32GB $16
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer Feedback