Average Bench: 71.5% (300th of 859)

Based on 10,848 user benchmarks.  Models: Crucial_ CT525MX300SSD1, Crucial_CT525MX300SSD1

Good average bench

The Crucial MX300 525GB averaged 28.4% 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 23MB/s
Avg. 4K Random Write Speed 61MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Crucial MX300 525GB is 33.6%. 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 31.5MB/s
Avg. 4K-64Thread Read Speed 166MB/s

Average Bench

(Based on 10,848 samples)
Min Avg Max
373 Read 462 486
219 Write 311 341
226 Mixed 318 341
80.5% 364 MB/s
Min Avg Max
16.5 4K Read 23 27.8
31.1 4K Write 61 87.3
10.2 4K Mixed 18.8 26.7
91.2% 34.3 MB/s
Min Avg Max
20.2 DQ Read 166 338
42 DQ Write 144 226
9.64 DQ Mixed 31.5 47.5
57.4% 114 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
135GB free
Firmware: M0CR021 Max speed: SATA 3.0 600 MB/s
Read 474
Write 318
Mixed 314
82% 369 MB/s
4K Read 24.1
4K Write 86.8
4K Mixed 24.5
114% 45.1 MB/s
DQ Read 332
DQ Write 218
DQ Mixed 34.2
91% 195 MB/s
225GB free
Firmware: M0CR021 Max speed: SATA 3.0 600 MB/s
Read 483
Write 342
Mixed 338
86% 388 MB/s
4K Read 24.1
4K Write 49
4K Mixed 12.2
78% 28.4 MB/s
DQ Read 24
DQ Write 77
DQ Mixed 34.2
31% 45.1 MB/s
210GB free
Firmware: M0CR060 Max speed: SATA 3.0 600 MB/s
Read 459
Write 318
Mixed 331
82% 369 MB/s
4K Read 14.7
4K Write 30.4
4K Mixed 10.2
52% 18.5 MB/s
DQ Read 16.3
DQ Write 29.8
DQ Mixed 9.52
11% 18.5 MB/s
422GB free
Firmware: M0CR050 Max speed: SATA 3.0 600 MB/s
Read 319
Write 273
Mixed 251
63% 281 MB/s
4K Read 20.4
4K Write 33.7
4K Mixed 12.3
64% 22.1 MB/s
DQ Read 25.2
DQ Write 59.7
DQ Mixed 12.9
18% 32.6 MB/s
10,848 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 3,842,734 SSDs tested.


EbayUS $139.9918 mins ago.
AmazonUS $149.9913 mins ago.
NeweggUS $149.998 hrs ago.
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Typical MX300 525GB Builds (Compare 4,603 builds) See popular component choices, score breakdowns and rankings.
Gaming 92%
Nuclear submarine
Desktop 73%
Workstation 82%
Aircraft carrier

Motherboard: Asus PRIME X370-PRO - $150

EDIT WITH CUSTOM PC BUILDER Value: 91% - Outstanding Total price: $970

Popular MX300 525GB compatible motherboards:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute.

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Solid State Drive Rankings (Price vs Performance) September 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.

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859 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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Intel Core i5-7600K $220Nvidia GTX 1060-6GB $265Samsung 850 Evo 500GB $149
Seagate Barracuda 1TB (2016) $45G.SKILL Trident Z DDR4 3200 C14 4x16GB $724SanDisk Extreme 64GB $33
Seagate Barracuda 3TB (2016) $77Corsair Vengeance LPX DDR4 3000 C15 2x8GB $152SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $40HyperX Fury DDR4 2133 C14 2x8GB $141SanDisk Extreme 16GB $20
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