Average Bench: 87.2% (215th of 956)

Based on 6,963 user benchmarks.  Models: Crucial_CT750MX300SSD1, Crucial_ CT750MX300SSD1, Crucial_CT750MX3

Very good average bench

The Crucial MX300 750GB averaged just 12.8% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Crucial MX300 750GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 251MB/s
Avg. 4K Random Write Speed 87MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Crucial MX300 750GB is 41.7%. This is a relatively wide range which indicates that the Crucial MX300 750GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 334MB/s
Avg. Sequential Mixed IO Speed 339MB/s

Average Bench

(Based on 6,963 samples)
Min Avg Max
313 Read 407 482
272 Write 400 478
179 Mixed 339 388
255 SusWrite 334 432
83.3% 370 MB/s
Min Avg Max
17.1 4K Read 23.9 28.4
40.8 4K Write 87 122
14 4K Mixed 33.1 43.2
125% 48 MB/s
Min Avg Max
25.4 DQ Read 297 363
79.5 DQ Write 268 327
14.9 DQ Mixed 251 347
197% 272 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
646GB free
Firmware: M0CR060
SusWrite @10s intervals: 344 461 388 325 326 327 MB/s
Read 408
Write 477
Mixed 374
SusWrite 362
92% 405 MB/s
4K Read 27.3
4K Write 98.7
4K Mixed 40
145% 55.3 MB/s
DQ Read 319
DQ Write 311
DQ Mixed 336
246% 322 MB/s
184GB free (System drive)
Firmware: M0CR060
SusWrite @10s intervals: 468 355 318 317 272 300 MB/s
Read 430
Write 473
Mixed 390
SusWrite 338
92% 408 MB/s
4K Read 26.7
4K Write 89.2
4K Mixed 39.3
138% 51.7 MB/s
DQ Read 351
DQ Write 325
DQ Mixed 342
256% 340 MB/s
6,963 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 7,977,448 SSDs tested.


Approx. $178 @ launch in Jun '16
EbayUS $19625 mins
AmazonUS $28016 mins
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Typical MX300 750GB Builds (Compare 22,832 builds) See popular component choices, score breakdowns and rankings.
Gaming 92%
Nuclear submarine
Desktop 82%
Aircraft carrier
Workstation 63%

Motherboard: Asus Z170 PRO GAMING - $157

EDIT WITH CUSTOM PC BUILDER Value: 95% - Outstanding Total price: $1,195

Popular MX300 750GB 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.


12 days ago.

mine is underperforming

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 $356Nvidia GTX 1070 $380Samsung 850 Evo 250GB $70
AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $240Samsung 850 Evo 500GB $120
Intel Core i5-8600K $249AMD 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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