Average Bench: 86.3% (371st of 1058)

Based on 95,472 user benchmarks.  Models: Crucial_ CT525MX300SSD1, Crucial_CT525MX300SSD1

Very good average bench

The Crucial MX300 525GB averaged just 13.6% 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 277MB/s
Avg. 4K Random Write Speed 86.6MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Crucial MX300 525GB is 34.1%. This is a relatively narrow range which indicates that the Crucial MX300 525GB performs reasonably consistently under varying real world conditions.


Avg. Sustained Write Speed 292MB/s
Avg. Sequential Mixed IO Speed 349MB/s

Average Bench

(Based on 95,472 samples)
Min Avg Max
317 Read 400 444
243 Write 407 482
218 Mixed 349 389
216 SusWrite 292 334
81.5% 362 MB/s
Min Avg Max
17.2 4K Read 24.4 28.1
44.1 4K Write 86.6 118
22.5 4K Mixed 35.6 42.4
128% 48.9 MB/s
Min Avg Max
193 DQ Read 306 352
150 DQ Write 273 328
138 DQ Mixed 277 330
211% 285 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
469GB free
Firmware: M0CR040
SusWrite @10s intervals: 479 478 260 245 248 244 MB/s
Read 433
Write 476
Mixed 387
SusWrite 326
91% 405 MB/s
4K Read 28.3
4K Write 121
4K Mixed 42.3
161% 64 MB/s
DQ Read 353
DQ Write 327
DQ Mixed 322
246% 334 MB/s
108GB free
Firmware: M0CR031
SusWrite @10s intervals: 344 349 223 224 124 160 MB/s
Read 305
Write 358
Mixed 295
SusWrite 237
67% 299 MB/s
4K Read 19.7
4K Write 76.9
4K Mixed 29.1
108% 41.9 MB/s
DQ Read 343
DQ Write 322
DQ Mixed 326
246% 330 MB/s
33GB free
Firmware: M0CR031
SusWrite @10s intervals: 148 149 150 149 150 150 MB/s
Read 415
Write 35.8
Mixed 62.4
SusWrite 149
36% 166 MB/s
4K Read 25.4
4K Write 1
4K Mixed 5.6
46% 10.7 MB/s
95,472 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 55,018,064 SSDs tested.


MSRP ≈ $130 @ launch in Jun '16
EbayUS $1859 days
AmazonUS $3305 months
Send price feedback
Typical MX300 525GB Builds (Compare 26,025 builds) See popular component choices, score breakdowns and rankings.
Gaming 71%
Desktop 88%
Aircraft carrier
Workstation 61%

Motherboard: Asus Z170 PRO GAMING - $295

EDIT WITH CUSTOM PC BUILDER Value: 75% - Very good Total price: $990

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.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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.
Solid State Drive Rankings (Price vs Performance) May 2022 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 5 years ago.

Excellent (edit your comment) Add link

19 months ago.

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


3 years ago.

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


3 years ago.

Nice ssd


4 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 i5-12600K $278Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-12400F $160Nvidia RTX 3070 $500Samsung 850 Evo 120GB $200
Intel Core i7-12700K $334Nvidia RTX 3050 $250Samsung 860 Evo 250GB $52
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3200 C16 2x8GB $68SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $72SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $470SanDisk Ultra Fit 32GB $16
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