Average Bench: 85.8% (392nd of 1071)

Based on 105,037 user benchmarks.  Models: Crucial_ CT525MX300SSD1, Crucial_CT525MX300SSD1

Very good average bench

The Crucial MX300 525GB averaged just 14.2% 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 274MB/s
Avg. 4K Random Write Speed 86.5MB/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 290MB/s
Avg. Sequential Mixed IO Speed 345MB/s

Average Bench

(Based on 105,037 samples)
Min Avg Max
324 Read 397 436
245 Write 404 482
214 Mixed 345 389
206 SusWrite 290 335
80.8% 359 MB/s
Min Avg Max
17.4 4K Read 24.3 28.2
43.9 4K Write 86.5 117
22.5 4K Mixed 35.2 42.3
128% 48.7 MB/s
Min Avg Max
172 DQ Read 301 351
123 DQ Write 272 327
135 DQ Mixed 274 330
209% 282 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
148GB free
Firmware: M0CR060
SusWrite @10s intervals: 422 250 250 250 250 244 MB/s
Read 437
Write 479
Mixed 390
SusWrite 278
89% 396 MB/s
4K Read 27.6
4K Write 104
4K Mixed 41.1
150% 57.6 MB/s
DQ Read 334
DQ Write 327
DQ Mixed 327
246% 329 MB/s
65GB free
Firmware: M0CR040
SusWrite @10s intervals: 480 465 332 249 248 246 MB/s
Read 389
Write 248
Mixed 261
SusWrite 337
69% 309 MB/s
4K Read 24.5
4K Write 82.6
4K Mixed 36.9
128% 48 MB/s
DQ Read 326
DQ Write 304
DQ Mixed 322
239% 317 MB/s
417GB free (System drive)
Firmware: M0CR040
SusWrite @10s intervals: 410 371 329 238 244 230 MB/s
Read 386
Write 239
Mixed 212
SusWrite 304
64% 285 MB/s
4K Read 20
4K Write 90.6
4K Mixed 20.6
105% 43.7 MB/s
DQ Read 188
DQ Write 252
DQ Mixed 132
124% 191 MB/s
105,037 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 65,443,136 SSDs tested.


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MSRP ≈ $130 @ launch in Jun '16
AmazonUS $1506 mins
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Typical MX300 525GB Builds (Compare 9,965 builds) See popular component choices, score breakdowns and rankings.
Gaming 68%
Battle cruiser
Desktop 86%
Aircraft carrier
Workstation 58%

Motherboard: Asus Z170 PRO GAMING - $295

EDIT WITH CUSTOM PC BUILDER Value: 77% - Very good Total price: $851

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) March 2023 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 6 years ago.

Excellent (edit your comment) Add link

2 years ago.

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


4 years ago.

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


4 years ago.

Nice ssd


5 years ago.

Really fast write/read speed

1071 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 i5-13600K $315Nvidia RTX 3060 $365Crucial MX500 250GB $31
Intel Core i5-12600K $194Nvidia RTX 3060-Ti $420Samsung 850 Evo 120GB $106
Intel Core i5-12400F $155Nvidia RTX 4070-Ti $830Samsung 860 Evo 250GB $50
Seagate Barracuda 1TB (2016) $34Corsair Vengeance LPX DDR4 3200 C16 2x8GB $43SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $381SanDisk Ultra Fit 32GB $16
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