Average Bench: 70.9% (370th of 927)

Based on 24,661 user benchmarks.  Models: Crucial_ CT525MX300SSD1, Crucial_CT525MX300SSD1

Good average bench

The Crucial MX300 525GB averaged 29.0% 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 22.7MB/s
Avg. Sequential Read Speed 467MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Crucial MX300 525GB is 33.7%. 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 29.7MB/s
Avg. 4K-64Thread Read Speed 166MB/s

Average Bench

(Based on 24,661 samples)
Min Avg Max
401 Read 467 486
197 Write 308 341
227 Mixed 317 341
80.6% 364 MB/s
Min Avg Max
15.2 4K Read 22.7 27.5
29.5 4K Write 59.8 80.6
8.94 4K Mixed 18.2 26.1
89.4% 33.6 MB/s
Min Avg Max
18 DQ Read 166 331
47.7 DQ Write 143 222
9.17 DQ Mixed 29.7 47.1
56.4% 113 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
199GB free
Firmware: M0CR021 Max speed: SATA 3.0 600 MB/s
Read 441
Write 332
Mixed 327
81% 366 MB/s
4K Read 26.8
4K Write 67.7
4K Mixed 14.1
94% 36.2 MB/s
DQ Read 26.6
DQ Write 168
DQ Mixed 14.3
35% 69.5 MB/s
257GB free
Firmware: M0CR031 Max speed: SATA 3.0 600 MB/s
Read 480
Write 338
Mixed 338
85% 385 MB/s
4K Read 20
4K Write 47.5
4K Mixed 13.8
73% 27.1 MB/s
DQ Read 20.5
DQ Write 54
DQ Mixed 10.2
16% 28.2 MB/s
242GB free
Firmware: M0CR060 Max speed: SATA 3.0 600 MB/s
Read 476
Write 291
Mixed 324
80% 363 MB/s
4K Read 17.2
4K Write 47
4K Mixed 10.5
64% 24.9 MB/s
DQ Read 74.9
DQ Write 52.4
DQ Mixed 9.34
22% 45.5 MB/s
309GB free
Firmware: M0CR040 Max speed: SATA 3.0 600 MB/s
Read 292
Write 249
Mixed 183
54% 241 MB/s
4K Read 17.9
4K Write 40.3
4K Mixed 10.4
62% 22.9 MB/s
DQ Read 22.7
DQ Write 65.3
DQ Mixed 10.2
18% 32.8 MB/s
24,661 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 6,820,892 SSDs tested.


Approx. $130 @ launch in Jun '16
EbayUS $1201 min
NeweggUS $1402 months
AmazonUS $15019 mins
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Typical MX300 525GB Builds (Compare 10,645 builds) See popular component choices, score breakdowns and rankings.
Gaming 90%
Nuclear submarine
Desktop 72%
Workstation 81%
Aircraft carrier

Motherboard: Asus PRIME X370-PRO - $150

EDIT WITH CUSTOM PC BUILDER Value: 88% - Excellent Total price: $1,097

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 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 - Sometimes benchmarks get it completely wrong...
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance, price and capacity.
  • Raw speed comparison - Raw speed readings.
  • Details ordered by value - Detailed performance stats ordered by overall value for money.


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

Instant performance that lasts....

Added 21 months ago.

Excellent (edit your comment) Add link

1 month ago.

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


6 months ago.

Really fast write/read speed

927 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 $320Nvidia GTX 1070 $447Samsung 850 Evo 250GB $95
AMD Ryzen 5 1600 $172Nvidia GTX 1060-6GB $250Samsung 850 Evo 500GB $136
Intel Core i7-7700K $285AMD RX 480 $300Samsung 850 Pro 256GB $163
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $180SanDisk Extreme 64GB $41
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $961SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60HyperX Fury DDR4 2133 C14 2x8GB $226SanDisk Extreme 16GB $20
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