Average Bench: 88.1% (280th of 1003)

Based on 48,107 user benchmarks.  Models: Crucial_ CT525MX300SSD1, Crucial_CT525MX300SSD1

Very good average bench

The Crucial MX300 525GB averaged just 11.9% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Crucial MX300 525GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 279MB/s
Avg. 4K Random Write Speed 91.9MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Crucial MX300 525GB is 35.1%. This is a relatively wide range which indicates that the Crucial MX300 525GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 291MB/s
Avg. Sequential Mixed IO Speed 350MB/s

Average Bench

(Based on 48,107 samples)
Min Avg Max
333 Read 402 441
246 Write 406 482
226 Mixed 350 389
215 SusWrite 291 332
81.6% 362 MB/s
Min Avg Max
18.4 4K Read 24.9 28.4
44.7 4K Write 91.9 121
24.5 4K Mixed 36.6 42.8
133% 51.1 MB/s
Min Avg Max
166 DQ Read 309 352
138 DQ Write 279 328
68.8 DQ Mixed 279 330
213% 289 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
294GB free (System drive)
Firmware: M0CR070
SusWrite @10s intervals: 464 468 277 248 247 251 MB/s
Read 394
Write 472
Mixed 378
SusWrite 326
89% 392 MB/s
4K Read 26.5
4K Write 97.1
4K Mixed 38.5
141% 54 MB/s
DQ Read 347
DQ Write 326
DQ Mixed 324
247% 333 MB/s
51GB free
Firmware: M0CR031
SusWrite @10s intervals: 327 344 217 179 252 315 MB/s
Read 350
Write 171
Mixed 301
SusWrite 272
61% 274 MB/s
4K Read 23.6
4K Write 61.2
4K Mixed 32.7
110% 39.2 MB/s
DQ Read 242
DQ Write 163
DQ Mixed 218
159% 208 MB/s
48,107 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 15,729,423 SSDs tested.


Approx. $130 @ launch in Jun '16
EbayUS $16523 mins
AmazonUS $20018 mins
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Typical MX300 525GB Builds (Compare 29,362 builds) See popular component choices, score breakdowns and rankings.
Gaming 67%
Battle cruiser
Desktop 72%
Workstation 67%
Battle cruiser

Motherboard: Asus PRIME B350-PLUS - $120

EDIT WITH CUSTOM PC BUILDER Value: 111% - Outstanding Total price: $708

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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How it works

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  • - 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.
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  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) July 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 88SS1074. Flash Memory: Micron 3D TLC

Instant performance that lasts...

Added 2 years ago.

Poor (edit your comment) Add link

13 months ago.

fast as hell nothing goes wrong.........


8 months ago.

Really good SSD for the money, this drive is capable of speeding up even a slow Acer All in One.


8 months ago.

Nice ssd


20 months ago.

Really fast write/read speed

1003 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 i7-8700K $350Nvidia GTX 1070 $400Samsung 850 Evo 250GB $104
AMD Ryzen 5 2600 $120Nvidia GTX 1060-6GB $250Samsung 850 Evo 500GB $103
AMD Ryzen 7 2700X $222Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $68SanDisk Extreme 64GB $45
Seagate Barracuda 3TB (2016) $70G.SKILL Trident Z DDR4 3200 C14 4x16GB $607SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $41Corsair Vengeance LPX DDR4 3200 C16 2x8GB $77SanDisk Ultra Fit 32GB $12
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