Average Bench: 71% (341st of 908)

Based on 20,865 user benchmarks.  Models: Crucial_ CT525MX300SSD1, Crucial_CT525MX300SSD1

Good average bench

The Crucial MX300 525GB averaged 28.9% 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 22.8MB/s
Avg. Sequential Read Speed 464MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Crucial MX300 525GB is 31.8%. 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 31.2MB/s
Avg. 4K-64Thread Read Speed 163MB/s

Average Bench

(Based on 20,865 samples)
Min Avg Max
385 Read 464 486
229 Write 310 341
241 Mixed 319 341
80.7% 364 MB/s
Min Avg Max
16.6 4K Read 22.8 27.4
30.4 4K Write 58.8 80.5
10 4K Mixed 18.9 26
89.9% 33.5 MB/s
Min Avg Max
20 DQ Read 163 332
44.7 DQ Write 140 223
10.1 DQ Mixed 31.2 47.2
56.2% 111 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
324GB free
Firmware: M0CR040 Max speed: SATA 3.0 600 MB/s
Read 471
Write 326
Mixed 333
84% 377 MB/s
4K Read 25.7
4K Write 65.6
4K Mixed 25.4
106% 38.9 MB/s
DQ Read 308
DQ Write 193
DQ Mixed 13.8
74% 172 MB/s
50GB free
Firmware: M0CR040 Max speed: SATA 3.0 600 MB/s
Read 471
Write 330
Mixed 334
84% 379 MB/s
4K Read 22.6
4K Write 57.5
4K Mixed 23.2
94% 34.4 MB/s
DQ Read 304
DQ Write 188
DQ Mixed 46.4
88% 179 MB/s
424GB free
Firmware: M0C Max speed: SATA 3.0 600 MB/s
Read 470
Write 290
Mixed 335
81% 365 MB/s
4K Read 13.5
4K Write 26.2
4K Mixed 18.5
58% 19.4 MB/s
DQ Read 186
DQ Write 79.4
DQ Mixed 39.6
54% 102 MB/s
20,865 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 6,038,103 SSDs tested.


Approx. $130 @ launch in Jun '16
AmazonUS $1406 mins
NeweggUS $14016 days
EbayUS $15014 mins
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Typical MX300 525GB Builds (Compare 9,197 builds) See popular component choices, score breakdowns and rankings.
Gaming 91%
Nuclear submarine
Desktop 72%
Workstation 81%
Aircraft carrier

Motherboard: Asus PRIME X370-PRO - $166

EDIT WITH CUSTOM PC BUILDER Value: 85% - Excellent Total price: $1,188

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) March 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 18 months ago.


4 months ago.

Really fast write/read speed

908 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.
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Intel Core i5-8600K $243AMD RX 480 $400Samsung 850 Pro 256GB $120
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $195SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $23
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $205SanDisk Extreme 16GB $18
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