Average Bench: 53.8% (793rd of 1011)

Based on 272 user benchmarks.  Models: M4-CT128M4SSD3, M4-CT128 M4SSD3

Average average bench

The Crucial M4 128GB mSATA averaged 46.1% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.


Avg. Sequential Read Speed 459MB/s
Avg. 4K Random Read Speed 20.8MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Crucial M4 128GB mSATA is 22.2%. This is a relatively narrow range which indicates that the Crucial M4 128GB mSATA performs reasonably consistently under varying real world conditions.


Avg. 4K-64Thread Mixed IO Speed 12.5MB/s
Avg. 4K Random Mixed IO Speed 7.43MB/s

Average Bench

(Based on 272 samples)
Min Avg Max
382 Read 459 490
163 Write 184 192
196 Mixed 251 277
80.6 SusWrite 149 188
57.7% 261 MB/s
Min Avg Max
13.4 4K Read 20.8 27.8
19.4 4K Write 56.1 96.3
4.05 4K Mixed 7.43 15
70.8% 28.1 MB/s
Min Avg Max
19.5 DQ Read 114 275
47.4 DQ Write 107 166
4.07 DQ Mixed 12.5 29.7
36.4% 78.1 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
89GB free (System drive)
Firmware: 01MG
SusWrite @10s intervals: 162 182 184 176 178 187 MB/s
Read 406
Write 181
Mixed 219
SusWrite 178
55% 246 MB/s
4K Read 21.3
4K Write 50
4K Mixed 13.2
76% 28.2 MB/s
DQ Read 131
DQ Write 113
DQ Mixed 29
47% 91.1 MB/s
272 MORE »

 Market Share (See Leaders)

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


AmazonUS $2787 mins
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Typical M4 128GB mSATA Builds (Compare 45,019 builds) See popular component choices, score breakdowns and rankings.
Gaming 30%
Desktop 49%
Workstation 21%

Disqualified System: bin bin

EDIT WITH CUSTOM PC BUILDER Value: 32% - Below average Total price: $668

Popular M4 128GB mSATA systems:

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.


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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