Average Bench: 88.4% (288th of 1011)

Based on 17,088 user benchmarks.  Models: Crucial_CT512MX100SSD1, Crucial_ CT512MX100SS, Crucial_CT512MX1, Crucial_ Crucial_CT512MX1, Crucial_ CT512MX100SSD1

Very good average bench

The Crucial MX100 512GB averaged just 11.6% 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 37.8MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Crucial MX100 512GB is 41.1%. 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 301MB/s

Average Bench

(Based on 17,088 samples)
Min Avg Max
324 Read 402 441
335 Write 425 470
241 Mixed 301 328
153 SusWrite 334 463
82.3% 366 MB/s
Min Avg Max
18.8 4K Read 26.3 30.4
46.4 4K Write 89.6 121
24.8 4K Mixed 37.8 45.1
136% 51.2 MB/s
Min Avg Max
79.8 DQ Read 146 173
127 DQ Write 301 362
81.9 DQ Mixed 167 182
143% 205 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
86GB free
Firmware: MU02
SusWrite @10s intervals: 445 430 441 444 376 347 MB/s
Read 434
Write 458
Mixed 320
SusWrite 414
92% 407 MB/s
4K Read 30.2
4K Write 130
4K Mixed 45.1
172% 68.4 MB/s
DQ Read 143
DQ Write 337
DQ Mixed 182
155% 220 MB/s
30GB free
Firmware: MU01
SusWrite @10s intervals: 422 373 153 77 45 59 MB/s
Read 416
Write 445
Mixed 314
SusWrite 188
76% 341 MB/s
4K Read 26.9
4K Write 82
4K Mixed 38.3
133% 49.1 MB/s
DQ Read 152
DQ Write 344
DQ Mixed 179
156% 225 MB/s
89GB free (System drive)
Firmware: MU01
SusWrite @10s intervals: 213 174 110 36 29 25 MB/s
Read 306
Write 215
Mixed 225
SusWrite 97.8
47% 211 MB/s
4K Read 20.2
4K Write 42.9
4K Mixed 26
87% 29.7 MB/s
DQ Read 111
DQ Write 126
DQ Mixed 112
86% 116 MB/s
17,088 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 16,734,081 SSDs tested.

Typical MX100 512GB Builds (Compare 12,390 builds) See popular component choices, score breakdowns and rankings.
Gaming 60%
Desktop 74%
Workstation 52%

Motherboard: Asus Z97-A - $150

EDIT WITH CUSTOM PC BUILDER Value: 44% - 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) August 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.


7 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.
AMD Ryzen 5 3600 $198Nvidia GTX 1070 $400Samsung 850 Evo 250GB $104
Intel Core i5-9600K $230Nvidia GTX 1060-6GB $270Samsung 850 Evo 500GB $103
AMD Ryzen 7 2700X $233Nvidia GTX 1080-Ti $750Samsung 850 Pro 256GB $195
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $78SanDisk Extreme 64GB $128
WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $695SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3200 C16 2x8GB $82SanDisk Extreme 16GB $24
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