Average Bench: 102% (155th of 964)

Based on 709 user benchmarks.  Model: CT480BX300SSD1

Outstanding average bench

The Crucial BX300 480GB averaged 2.1% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Crucial BX300 480GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 263MB/s
Avg. 4K Random Mixed IO Speed 41.7MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Crucial BX300 480GB is 48.2%. This is a relatively wide range which indicates that the Crucial BX300 480GB performs inconsistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 379MB/s
Avg. Sustained Write Speed 398MB/s

Average Bench

(Based on 709 samples)
Min Avg Max
365 Read 474 516
225 Write 422 482
242 Mixed 379 429
247 SusWrite 398 476
94.1% 418 MB/s
Min Avg Max
19.5 4K Read 28.2 34.2
45.1 4K Write 88.3 131
28 4K Mixed 41.7 53.3
143% 52.7 MB/s
Min Avg Max
32.3 DQ Read 340 392
129 DQ Write 307 365
47.8 DQ Mixed 263 310
214% 303 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
129GB free
Firmware: M2CR010
SusWrite @10s intervals: 362 276 267 378 379 378 MB/s
Read 464
Write 439
Mixed 405
SusWrite 340
93% 412 MB/s
4K Read 25.3
4K Write 82.4
4K Mixed 37.7
130% 48.5 MB/s
DQ Read 389
DQ Write 340
DQ Mixed 300
242% 343 MB/s
85GB free
Firmware: M2CR010
SusWrite @10s intervals: 298 333 343 339 335 331 MB/s
Read 361
Write 343
Mixed 331
SusWrite 330
77% 341 MB/s
4K Read 23.3
4K Write 61.2
4K Mixed 33
110% 39.2 MB/s
DQ Read 32
DQ Write 103
DQ Mixed 48
42% 61 MB/s
709 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 9,690,586 SSDs tested.


Approx. $50 @ launch in Aug '17
AmazonUS $808 mins
EbayUS $9119 mins
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Typical BX300 480GB Builds (Compare 2,193 builds) See popular component choices, score breakdowns and rankings.
Gaming 66%
Battle cruiser
Desktop 70%
Workstation 42%
Speed boat

Motherboard: Asus PRIME B250-PLUS - $93

EDIT WITH CUSTOM PC BUILDER Value: 108% - Outstanding Total price: $598

Popular BX300 480GB 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) November 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: Silicon Motion SM2258. Flash Memory: Micron 3D MLC

You dont need a new computer, just the Crucial BX300...

Added 11 months ago.

964 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 $359Nvidia GTX 1070 $340Samsung 850 Evo 250GB $77
AMD Ryzen 5 1600 $130Nvidia GTX 1060-6GB $234Samsung 850 Evo 500GB $100
Intel Core i5-8600K $237AMD RX 480 $280Samsung 850 Pro 256GB $163
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $130SanDisk Extreme 64GB $43
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $869SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $130SanDisk Ultra Fit 32GB $12
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