Average Bench: 86.7% (256th of 964)

Based on 31,287 user benchmarks.  Models: Crucial_ CT525MX300SSD1, Crucial_CT525MX300SSD1

Very good average bench

The Crucial MX300 525GB averaged just 13.2% 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 277MB/s
Avg. 4K Random Write Speed 90.2MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Crucial MX300 525GB is 36.3%. This is a relatively wide range which indicates that the Crucial MX300 525GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 290MB/s
Avg. Sequential Mixed IO Speed 347MB/s

Average Bench

(Based on 31,287 samples)
Min Avg Max
309 Read 398 438
246 Write 405 481
225 Mixed 347 389
225 SusWrite 290 334
81.1% 360 MB/s
Min Avg Max
17.1 4K Read 24.4 28.5
44.6 4K Write 90.2 122
21.4 4K Mixed 35.5 42.9
130% 50.1 MB/s
Min Avg Max
31 DQ Read 304 352
109 DQ Write 278 327
37.7 DQ Mixed 277 330
212% 286 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
284GB free
Firmware: M0CR060
SusWrite @10s intervals: 377 479 322 253 250 252 MB/s
Read 421
Write 487
Mixed 393
SusWrite 322
92% 406 MB/s
4K Read 28.2
4K Write 109
4K Mixed 41.7
154% 59.6 MB/s
DQ Read 341
DQ Write 328
DQ Mixed 324
246% 331 MB/s
199GB free
Firmware: M0CR031
SusWrite @10s intervals: 460 457 284 249 247 249 MB/s
Read 403
Write 479
Mixed 386
SusWrite 324
90% 398 MB/s
4K Read 25.3
4K Write 76.4
4K Mixed 36
125% 45.9 MB/s
DQ Read 338
DQ Write 324
DQ Mixed 329
247% 330 MB/s
204GB free (System drive)
Firmware: M0CR040
SusWrite @10s intervals: 422 439 348 247 253 251 MB/s
Read 382
Write 358
Mixed 348
SusWrite 327
80% 354 MB/s
4K Read 17
4K Write 40.7
4K Mixed 25.1
80% 27.6 MB/s
DQ Read 244
DQ Write 209
DQ Mixed 224
169% 226 MB/s
31,287 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 9,689,415 SSDs tested.


Approx. $130 @ launch in Jun '16
EbayUS $10031 mins
AmazonUS $12920 mins
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Typical MX300 525GB Builds (Compare 19,620 builds) See popular component choices, score breakdowns and rankings.
Gaming 68%
Battle cruiser
Desktop 71%
Workstation 66%
Battle cruiser

Motherboard: Asus PRIME B350-PLUS - $85

EDIT WITH CUSTOM PC BUILDER Value: 108% - Outstanding Total price: $679

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.
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  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
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Solid State Drive Rankings (Price vs Performance) November 2018 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

5 months ago.

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


29 days ago.

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


3 days ago.

Nice ssd


12 months ago.

Really fast write/read speed

964 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 $359Nvidia GTX 1070 $340Samsung 850 Evo 250GB $77
AMD Ryzen 5 1600 $130Nvidia GTX 1060-6GB $234Samsung 850 Evo 500GB $100
Intel Core i5-8600K $237AMD RX 480 $280Samsung 850 Pro 256GB $163
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $130SanDisk Extreme 64GB $43
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $869SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $130SanDisk Ultra Fit 32GB $12
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