Average Bench: 87.1% (304th of 1011)

Based on 18,399 user benchmarks.  Models: Crucial_CT512MX100SSD1, Crucial_ CT512MX100SS, Crucial_CT512MX1, Crucial_ Crucial_CT512MX1, Crucial_ CT512MX100SSD1

Very good average bench

The Crucial MX100 512GB averaged just 12.9% 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 166MB/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 46.2%. 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 148MB/s
Avg. Sequential Mixed IO Speed 300MB/s

Average Bench

(Based on 18,399 samples)
Min Avg Max
313 Read 399 439
311 Write 419 469
236 Mixed 300 328
122 SusWrite 325 465
81.2% 361 MB/s
Min Avg Max
18.8 4K Read 26.2 30.7
45.6 4K Write 87.8 122
24.3 4K Mixed 37.3 45.3
134% 50.4 MB/s
Min Avg Max
79.3 DQ Read 148 202
107 DQ Write 296 362
57.7 DQ Mixed 166 182
142% 204 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
396GB free (System drive)
Firmware: MU02
SusWrite @10s intervals: 403 414 418 432 428 425 MB/s
Read 423
Write 452
Mixed 306
SusWrite 420
90% 401 MB/s
4K Read 28.6
4K Write 99.6
4K Mixed 41.5
149% 56.6 MB/s
DQ Read 157
DQ Write 342
DQ Mixed 180
157% 226 MB/s
51GB free (System drive)
Firmware: MU02
SusWrite @10s intervals: 263 222 159 161 152 142 MB/s
Read 387
Write 403
Mixed 288
SusWrite 183
71% 315 MB/s
4K Read 23.7
4K Write 104
4K Mixed 40.8
143% 56.1 MB/s
DQ Read 157
DQ Write 269
DQ Mixed 180
146% 202 MB/s
64GB free (System drive)
Firmware: MU02
SusWrite @10s intervals: 254 211 92 76 75 85 MB/s
Read 420
Write 444
Mixed 317
SusWrite 132
74% 328 MB/s
4K Read 27.7
4K Write 88.7
4K Mixed 38.1
138% 51.5 MB/s
DQ Read 149
DQ Write 337
DQ Mixed 175
153% 220 MB/s
18,399 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 19,849,350 SSDs tested.

Typical MX100 512GB Builds (Compare 14,100 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: 42% - 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) December 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.


10 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 1660S (Super) $244Crucial MX500 250GB $39
Intel Core i5-9600K $200Nvidia RTX 2060 $324Samsung 850 Evo 120GB $150
Intel Core i7-9700K $360AMD RX 590 $180Samsung 860 Evo 250GB $54
Seagate Barracuda 1TB (2016) $32Corsair Vengeance LPX DDR4 3200 C16 2x8GB $76SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $58SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer Feedback