Average Bench: 72.4% (292nd of 863)

Based on 13,807 user benchmarks.  Models: Crucial_ CT525MX300SSD1, Crucial_CT525MX300SSD1

Good average bench

The Crucial MX300 525GB averaged 27.5% 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. 4K Random Read Speed 23.1MB/s
Avg. 4K Random Write Speed 61.1MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Crucial MX300 525GB is 31.7%. This is a relatively narrow range which indicates that the Crucial MX300 525GB performs reasonably consistently under varying real world conditions.


Avg. 4K-64Thread Mixed IO Speed 32MB/s
Avg. 4K-64Thread Read Speed 183MB/s

Average Bench

(Based on 13,807 samples)
Min Avg Max
384 Read 465 486
224 Write 311 342
222 Mixed 318 341
80.7% 364 MB/s
Min Avg Max
16.1 4K Read 23.1 28
28.9 4K Write 61.1 86.6
8.43 4K Mixed 19.1 26.5
91.8% 34.4 MB/s
Min Avg Max
20.8 DQ Read 183 339
46.3 DQ Write 153 225
10.3 DQ Mixed 32 47.5
61.1% 123 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
488GB free
Firmware: M0CR031 Max speed: SATA 3.0 600 MB/s
Read 480
Write 344
Mixed 341
86% 388 MB/s
4K Read 24.5
4K Write 75.1
4K Mixed 24.8
109% 41.5 MB/s
DQ Read 325
DQ Write 227
DQ Mixed 35.4
92% 196 MB/s
95GB free
Firmware: M0CR060 Max speed: SATA 3.0 600 MB/s
Read 488
Write 345
Mixed 339
86% 390 MB/s
4K Read 27.8
4K Write 85.6
4K Mixed 15.3
107% 42.9 MB/s
DQ Read 324
DQ Write 219
DQ Mixed 39.7
92% 194 MB/s
489GB free
Firmware: M0CR060 Max speed: SATA 3.0 600 MB/s
Read 480
Write 343
Mixed 339
86% 388 MB/s
4K Read 23.5
4K Write 43.4
4K Mixed 21.9
87% 29.6 MB/s
DQ Read 147
DQ Write 75.1
DQ Mixed 43.9
50% 88.7 MB/s
13,807 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 4,485,966 SSDs tested.


AmazonUS $129.998 mins ago.
NeweggUS $129.996 hrs ago.
EbayUS $144.5614 mins ago.
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Typical MX300 525GB Builds (Compare 6,127 builds) See popular component choices, score breakdowns and rankings.
Gaming 92%
Nuclear submarine
Desktop 73%
Workstation 82%
Aircraft carrier

Motherboard: Asus PRIME X370-PRO - $130

EDIT WITH CUSTOM PC BUILDER Value: 81% - Excellent Total price: $1,112

Popular MX300 525GB 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.

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Solid State Drive Rankings (Price vs Performance) November 2017 SSD Rankings.

Welcome to our consumer SSD comparison. We calculate effective speed based on real world performance then adjust by cost per GB to yield a value for money rating. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top SSDs. Share your opinion by voting. [SSDrivePro]


Controller: Marvell 88SS1074. Flash Memory: Micron 3D TLC.

Instant performance that lasts....

Added 14 months ago.


11 days ago.

Really fast write/read speed

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863 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

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Seagate Barracuda 7200.14 1TB $52Corsair Vengeance LPX DDR4 3200 C16 2x8GB $195SanDisk Ultra Fit 32GB $10
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