Average Bench: 87.9% (295th of 1011)

Based on 17,967 user benchmarks.  Models: Crucial_CT512MX100SSD1, Crucial_ CT512MX100SS, Crucial_CT512MX1, Crucial_ Crucial_CT512MX1, Crucial_ CT512MX100SSD1

Very good average bench

The Crucial MX100 512GB averaged just 12.1% 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 169MB/s
Avg. 4K Random Mixed IO Speed 38.1MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Crucial MX100 512GB is 42.3%. 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 152MB/s
Avg. Sequential Mixed IO Speed 304MB/s

Average Bench

(Based on 17,967 samples)
Min Avg Max
321 Read 406 440
355 Write 430 470
258 Mixed 304 328
136 SusWrite 315 463
81.8% 364 MB/s
Min Avg Max
18.8 4K Read 26.5 30.6
43.6 4K Write 90.4 123
25.8 4K Mixed 38.1 45.4
137% 51.7 MB/s
Min Avg Max
139 DQ Read 152 200
161 DQ Write 302 360
125 DQ Mixed 169 182
145% 208 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
145GB free
Firmware: MU01
SusWrite @10s intervals: 343 369 375 311 280 273 MB/s
Read 413
Write 414
Mixed 298
SusWrite 325
82% 362 MB/s
4K Read 28
4K Write 97.6
4K Mixed 41.1
147% 55.6 MB/s
DQ Read 150
DQ Write 334
DQ Mixed 181
155% 222 MB/s
74GB free
Firmware: MU01
SusWrite @10s intervals: 288 195 123 107 87 85 MB/s
Read 429
Write 451
Mixed 311
SusWrite 147
75% 335 MB/s
4K Read 28.5
4K Write 100
4K Mixed 41.4
149% 56.6 MB/s
DQ Read 153
DQ Write 342
DQ Mixed 179
156% 225 MB/s
22GB free (System drive)
Firmware: MU01
SusWrite @10s intervals: 193 183 76 40 52 52 MB/s
Read 376
Write 380
Mixed 303
SusWrite 99.3
65% 289 MB/s
4K Read 21.4
4K Write 72.9
4K Mixed 30.4
110% 41.6 MB/s
DQ Read 148
DQ Write 337
DQ Mixed 179
154% 221 MB/s
17,967 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 18,503,312 SSDs tested.

Typical MX100 512GB Builds (Compare 13,316 builds) See popular component choices, score breakdowns and rankings.
Gaming 50%
Desktop 73%
Workstation 50%

Motherboard: Asus Z97-A - $150

EDIT WITH CUSTOM PC BUILDER Value: 41% - Average Total price: $1,097

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) October 2019 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.


9 months ago.

Have used 512GB version for years! Love it!

1011 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 $145Nvidia GTX 1660 $210Samsung 850 Evo 250GB $73
Intel Core i5-9600K $240Nvidia RTX 2060 $349Samsung 850 Evo 500GB $107
Intel Core i7-9700K $350Nvidia GTX 1660-Ti $270Samsung 850 Pro 256GB $200
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 64GB $88
Seagate Barracuda 3TB (2016) $78G.SKILL Trident Z DDR4 3200 C14 4x16GB $612SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $70SanDisk Ultra Fit 32GB $14
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