Average Bench: 84.7% (392nd of 1058)

Based on 88,424 user benchmarks.  Models: Crucial_ CT525MX300SSD1, Crucial_CT525MX300SSD1

Very good average bench

The Crucial MX300 525GB averaged just 15.2% 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 269MB/s
Avg. 4K Random Mixed IO Speed 34.9MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Crucial MX300 525GB is 37.1%. This is a relatively wide range which indicates that the Crucial MX300 525GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 286MB/s
Avg. Sequential Mixed IO Speed 340MB/s

Average Bench

(Based on 88,424 samples)
Min Avg Max
317 Read 400 445
243 Write 399 480
212 Mixed 340 388
197 SusWrite 286 332
80.2% 356 MB/s
Min Avg Max
16.2 4K Read 24.2 28.3
39.2 4K Write 84.4 115
21 4K Mixed 34.9 42.3
126% 47.9 MB/s
Min Avg Max
164 DQ Read 298 352
118 DQ Write 262 327
135 DQ Mixed 269 330
205% 277 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
79GB free
Firmware: M0CR040
SusWrite @10s intervals: 454 463 288 248 249 252 MB/s
Read 386
Write 473
Mixed 370
SusWrite 326
88% 389 MB/s
4K Read 26.7
4K Write 100
4K Mixed 40
145% 55.7 MB/s
DQ Read 342
DQ Write 316
DQ Mixed 332
248% 330 MB/s
296GB free
Firmware: M0CR070
SusWrite @10s intervals: 393 412 460 471 353 419 MB/s
Read 389
Write 414
Mixed 365
SusWrite 418
90% 397 MB/s
4K Read 22.1
4K Write 63.8
4K Mixed 39.2
118% 41.7 MB/s
DQ Read 342
DQ Write 312
DQ Mixed 326
245% 327 MB/s
296GB free
Firmware: M0CR070
SusWrite @10s intervals: 408 391 425 390 390 428 MB/s
Read 408
Write 404
Mixed 383
SusWrite 405
90% 400 MB/s
4K Read 24.9
4K Write 81.9
4K Mixed 30.3
120% 45.7 MB/s
DQ Read 347
DQ Write 312
DQ Mixed 325
245% 328 MB/s
88,424 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 44,171,174 SSDs tested.


MSRP ≈ $130 @ launch in Jun '16
EbayUS $26521 mins
AmazonUS $33010 mins
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Typical MX300 525GB Builds (Compare 19,571 builds) See popular component choices, score breakdowns and rankings.
Gaming 70%
Desktop 88%
Aircraft carrier
Workstation 60%

Motherboard: Asus Z170 PRO GAMING - $295

EDIT WITH CUSTOM PC BUILDER Value: 50% - Average Total price: $1,364

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.

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) June 2021 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 4 years ago.

Excellent (edit your comment) Add link

8 months ago.

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


2 years ago.

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


2 years ago.

Nice ssd


3 years ago.

Really fast write/read speed

1058 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 i5-11400F $220Nvidia RTX 3070 $500Crucial MX500 250GB $45
Intel Core i5-11600K $259Nvidia RTX 3060-Ti $400Samsung 850 Evo 120GB $78
Intel Core i7-10700K $277Nvidia RTX 3080 $700Samsung 860 Evo 250GB $52
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $94SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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