Average Bench: 86.2% (326th of 1016)

Based on 54,476 user benchmarks.  Models: Crucial_ CT525MX300SSD1, Crucial_CT525MX300SSD1

Very good average bench

The Crucial MX300 525GB averaged just 13.7% 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 272MB/s
Avg. 4K Random Write Speed 89.6MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Crucial MX300 525GB is 35.9%. 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 344MB/s

Average Bench

(Based on 54,476 samples)
Min Avg Max
323 Read 401 440
246 Write 404 481
216 Mixed 344 389
199 SusWrite 286 330
80.7% 359 MB/s
Min Avg Max
16 4K Read 24.3 28.5
44.7 4K Write 89.6 121
21.7 4K Mixed 35.7 42.8
130% 49.9 MB/s
Min Avg Max
125 DQ Read 297 352
130 DQ Write 274 328
70.5 DQ Mixed 272 330
208% 281 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
256GB free
Firmware: M0CR060
SusWrite @10s intervals: 465 478 272 249 250 250 MB/s
Read 417
Write 476
Mixed 380
SusWrite 327
90% 400 MB/s
4K Read 25.9
4K Write 90.2
4K Mixed 37.9
136% 51.3 MB/s
DQ Read 328
DQ Write 326
DQ Mixed 326
245% 327 MB/s
129GB free
Firmware: M0CR031
SusWrite @10s intervals: 471 482 275 250 252 251 MB/s
Read 388
Write 245
Mixed 218
SusWrite 330
66% 295 MB/s
4K Read 21.1
4K Write 90.7
4K Mixed 37.5
128% 49.8 MB/s
DQ Read 244
DQ Write 327
DQ Mixed 330
237% 300 MB/s
54,476 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,680,567 SSDs tested.


Approx. $130 @ launch in Jun '16
EbayUS $17212 mins
AmazonUS $2476 mins
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Typical MX300 525GB Builds (Compare 36,135 builds) See popular component choices, score breakdowns and rankings.
Gaming 55%
Desktop 64%
Workstation 55%

Motherboard: Asus PRIME B350-PLUS - $100

EDIT WITH CUSTOM PC BUILDER Value: 52% - Above average Total price: $717

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) January 2020 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 3 years ago.

Poor (edit your comment) Add link

19 months ago.

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


15 months ago.

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


14 months ago.

Nice ssd


2 years ago.

Really fast write/read speed

1016 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 i5-9600K $218Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $43
Intel Core i5-9400F $155Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $370Nvidia RTX 2060 $340Samsung 850 Pro 512GB $204
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $643SanDisk Ultra Fit 32GB $16
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