Average Bench: 86.8% (361st of 1058)

Based on 33,857 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 165MB/s
Avg. 4K Random Mixed IO Speed 37.2MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Crucial MX100 512GB is 45.2%. 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 150MB/s
Avg. Sequential Mixed IO Speed 300MB/s

Average Bench

(Based on 33,857 samples)
Min Avg Max
329 Read 405 439
331 Write 423 470
244 Mixed 300 328
138 SusWrite 324 463
81.7% 363 MB/s
Min Avg Max
19.3 4K Read 26.4 30.2
39.4 4K Write 85.5 116
24.8 4K Mixed 37.2 44.5
133% 49.7 MB/s
Min Avg Max
121 DQ Read 150 178
94.9 DQ Write 287 362
74.8 DQ Mixed 165 182
140% 201 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
446GB free
Firmware: MU01
SusWrite @10s intervals: 473 474 475 475 474 471 MB/s
Read 430
Write 465
Mixed 335
SusWrite 474
96% 426 MB/s
4K Read 30.5
4K Write 115
4K Mixed 44.9
165% 63.5 MB/s
DQ Read 150
DQ Write 362
DQ Mixed 182
160% 231 MB/s
106GB free (System drive)
Firmware: MU01
SusWrite @10s intervals: 160 300 159 196 173 182 MB/s
Read 454
Write 469
Mixed 324
SusWrite 195
81% 361 MB/s
4K Read 31
4K Write 122
4K Mixed 46.1
171% 66.3 MB/s
DQ Read 144
DQ Write 340
DQ Mixed 181
155% 222 MB/s
207GB free
Firmware: MU01
SusWrite @10s intervals: 275 384 396 405 383 384 MB/s
Read 352
Write 397
Mixed 270
SusWrite 371
78% 347 MB/s
4K Read 26.5
4K Write 93.7
4K Mixed 37
137% 52.4 MB/s
DQ Read 151
DQ Write 309
DQ Mixed 168
146% 210 MB/s
33,857 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,076,815 SSDs tested.

Typical MX100 512GB Builds (Compare 8,765 builds) See popular component choices, score breakdowns and rankings.
Gaming 45%
Desktop 87%
Aircraft carrier
Workstation 38%
Jet ski

Motherboard: Asus Z97-A - $150

EDIT WITH CUSTOM PC BUILDER Value: 47% - Average Total price: $1,038

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.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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.
Solid State Drive Rankings (Price vs Performance) September 2021 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 6 years ago.


2 years ago.

Have used 512GB version for years! Love it!

1058 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 i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $44
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 850 Evo 120GB $183
Intel Core i7-11700K $346Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $52
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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