Average Bench: 71.9% (292nd of 850)

Based on 6,098 user benchmarks.  Models: Crucial_ CT525MX300SSD1, Crucial_CT525MX300SSD1

Good average bench

The Crucial MX300 525GB averaged 28.0% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.


Avg. 4K Random Read Speed 22.9MB/s
Avg. 4K Random Write Speed 60.6MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Crucial MX300 525GB is 32.6%. This is a relatively narrow range which indicates that the Crucial MX300 525GB performs reasonably consistently under varying real world conditions.


Avg. 4K-64Thread Mixed IO Speed 30.4MB/s
Avg. 4K-64Thread Read Speed 168MB/s

Average Bench

(Based on 6,098 samples)
Min Avg Max
358 Read 463 486
257 Write 315 343
241 Mixed 321 341
81.2% 367 MB/s
Min Avg Max
16.3 4K Read 22.9 27.9
28.3 4K Write 60.6 87.9
9.6 4K Mixed 18.9 26.8
91% 34.1 MB/s
Min Avg Max
19.5 DQ Read 168 339
45.8 DQ Write 149 227
9.67 DQ Mixed 30.4 47.2
57.9% 116 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
27GB free
Firmware: M0CR021 Max speed: SATA 3.0 600 MB/s
Read 477
Write 325
Mixed 225
75% 342 MB/s
4K Read 20
4K Write 77.5
4K Mixed 9.08
83% 35.5 MB/s
DQ Read 163
DQ Write 176
DQ Mixed 16.4
55% 119 MB/s
285GB free
Firmware: M0CR040 Max speed: SATA 3.0 600 MB/s
Read 486
Write 144
Mixed 285
67% 305 MB/s
4K Read 27.2
4K Write 53.4
4K Mixed 25.4
102% 35.3 MB/s
DQ Read 320
DQ Write 106
DQ Mixed 44.6
77% 157 MB/s
409GB free
Firmware: M0CR050 Max speed: SATA 3.0 600 MB/s
Read 416
Write 325
Mixed 311
78% 351 MB/s
4K Read 23.6
4K Write 47.1
4K Mixed 18.8
85% 29.8 MB/s
DQ Read 173
DQ Write 112
DQ Mixed 13.1
45% 99.4 MB/s
389GB free
Firmware: M0CR021 Max speed: SATA 3.0 600 MB/s
Read 464
Write 309
Mixed 312
80% 362 MB/s
4K Read 19.6
4K Write 37.6
4K Mixed 18.7
74% 25.3 MB/s
DQ Read 128
DQ Write 77.5
DQ Mixed 36.3
45% 80.5 MB/s
6,098 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 2,833,001 SSDs tested.


EbayUS $149.958 mins ago.
AmazonUS $159.991 min ago.
NeweggUS $159.998 hrs ago.
Send price feedback
Typical MX300 525GB Builds (Compare 13,717 builds) See popular component choices, score breakdowns and rankings.
Gaming 94%
Nuclear submarine
Desktop 80%
Aircraft carrier
Workstation 63%

Motherboard: Asus Z170 PRO GAMING - $142

EDIT WITH CUSTOM PC BUILDER Value: 88% - Excellent Total price: $1,105

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 (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - 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 highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) May 2017 SSD Rankings.

Welcome to our consumer SSD comparison. We calculate effective speed based on real world performance then adjust by cost per GB to yield a value for money rating. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top SSDs. Share your opinion by voting. [SSDrivePro]


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

Instant performance that lasts....

Added 8 months ago.

▲Like   ▼Dislike

You have viewed 15 pages, please contribute.

850 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 i7-7700K $309Nvidia GTX 1070 $368Samsung 850 Evo 250GB $102
Intel Core i5-7600K $240AMD RX 480 $210Samsung 850 Pro 256GB $127
AMD Ryzen 7 1700 $300Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $167
Seagate Barracuda 1TB (2016) $50Corsair Vengeance LPX DDR4 3000 C15 2x8GB $127SanDisk Extreme 64GB $33
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $700SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $46Corsair Vengeance LPX DDR4 3200 C16 2x8GB $136SanDisk Ultra Fit 32GB $13
Today's hottest deals
User Guide  •  About  •  FAQs  •  @Email  •  Privacy  •  Developer Feedback