Average Bench: 85.8% (344th of 1021)

Based on 59,628 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 271MB/s
Avg. 4K Random Write Speed 88.2MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Crucial MX300 525GB is 39%. 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 346MB/s

Average Bench

(Based on 59,628 samples)
Min Avg Max
320 Read 403 446
238 Write 405 482
212 Mixed 346 389
204 SusWrite 286 331
81% 360 MB/s
Min Avg Max
16.9 4K Read 24.4 28.3
39.4 4K Write 88.2 120
21.7 4K Mixed 35.2 42.7
129% 49.3 MB/s
Min Avg Max
151 DQ Read 296 351
103 DQ Write 269 327
72 DQ Mixed 271 330
206% 278 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
167GB free
Firmware: M0CR060
SusWrite @10s intervals: 465 467 280 251 252 252 MB/s
Read 420
Write 473
Mixed 385
SusWrite 328
91% 402 MB/s
4K Read 27.8
4K Write 110
4K Mixed 41.2
153% 59.6 MB/s
DQ Read 345
DQ Write 314
DQ Mixed 325
245% 328 MB/s
32GB free
Firmware: M0CR040
SusWrite @10s intervals: 483 256 242 234 240 192 MB/s
Read 425
Write 483
Mixed 388
SusWrite 274
88% 393 MB/s
4K Read 26.9
4K Write 106
4K Mixed 41.1
149% 57.9 MB/s
DQ Read 342
DQ Write 326
DQ Mixed 328
248% 332 MB/s
434GB free (System drive)
Firmware: M0CR040
SusWrite @10s intervals: 393 384 312 244 252 241 MB/s
Read 402
Write 380
Mixed 294
SusWrite 304
78% 345 MB/s
4K Read 22.6
4K Write 90.4
4K Mixed 38.7
132% 50.6 MB/s
DQ Read 338
DQ Write 328
DQ Mixed 270
220% 312 MB/s
59,628 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 26,443,669 SSDs tested.


Approx. $130 @ launch in Jun '16
AmazonUS $22622 mins
EbayUS $2975 mins
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Typical MX300 525GB Builds (Compare 40,490 builds) See popular component choices, score breakdowns and rankings.
Gaming 55%
Desktop 67%
Battle cruiser
Workstation 59%

Motherboard: Asus PRIME B350-PLUS - $100

EDIT WITH CUSTOM PC BUILDER Value: 51% - Above average Total price: $813

Popular MX300 525GB compatible motherboards:



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.
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Solid State Drive Rankings (Price vs Performance) May 2020 SSD Rankings.



Group Test Results



Controller: Marvell 88SS1074. Flash Memory: Micron 3D TLC

Instant performance that lasts...

Added 3 years ago.

Poor (edit your comment) Add link

23 months ago.

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


19 months ago.

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


18 months ago.

Nice ssd


2 years ago.

Really fast write/read speed

1021 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.


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