Average Bench: 88% (202nd of 956)

Based on 26,110 user benchmarks.  Models: Crucial_ CT525MX300SSD1, Crucial_CT525MX300SSD1

Very good average bench

The Crucial MX300 525GB averaged just 11.9% 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 280MB/s
Avg. 4K Random Write Speed 93.5MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Crucial MX300 525GB is 32.3%. 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 291MB/s
Avg. Sequential Mixed IO Speed 345MB/s

Average Bench

(Based on 26,110 samples)
Min Avg Max
324 Read 400 438
242 Write 403 481
216 Mixed 345 388
212 SusWrite 291 330
81% 360 MB/s
Min Avg Max
18.5 4K Read 24.7 28.6
52.7 4K Write 93.5 124
25.1 4K Mixed 36.4 43.1
134% 51.5 MB/s
Min Avg Max
167 DQ Read 307 352
187 DQ Write 284 327
43.6 DQ Mixed 280 330
214% 290 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
133GB free
Firmware: M0CR060
SusWrite @10s intervals: 435 436 459 398 248 234 MB/s
Read 417
Write 470
Mixed 386
SusWrite 368
93% 410 MB/s
4K Read 27.8
4K Write 110
4K Mixed 42
154% 60 MB/s
DQ Read 350
DQ Write 326
DQ Mixed 325
247% 333 MB/s
406GB free (System drive)
Firmware: M0C
SusWrite @10s intervals: 342 376 343 249 244 240 MB/s
Read 294
Write 381
Mixed 320
SusWrite 299
73% 323 MB/s
4K Read 27
4K Write 91.1
4K Mixed 38.9
139% 52.3 MB/s
DQ Read 269
DQ Write 236
DQ Mixed 252
189% 252 MB/s
26,110 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 7,961,641 SSDs tested.


Approx. $130 @ launch in Jun '16
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AmazonUS $1296 mins
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Typical MX300 525GB Builds (Compare 16,412 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: 102% - Outstanding Total price: $726

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) August 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 23 months ago.

Poor (edit your comment) Add link

2 months ago.

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


9 months ago.

Really fast write/read speed

956 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 $330Nvidia GTX 1070 $380Samsung 850 Evo 250GB $95
AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $240Samsung 850 Evo 500GB $120
Intel Core i5-8600K $240AMD RX 480 $280Samsung 850 Pro 256GB $163
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $155SanDisk Extreme 64GB $80
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $901SanDisk Extreme 32GB $30
WD Blue 1TB (2012) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $175SanDisk Ultra Fit 32GB $12
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