Average Bench: 90.9% (97th of 885)

Based on 187 user benchmarks.  Model: CT480BX300SSD1

Excellent average bench

The Crucial BX300 480GB averaged just 9.0% lower 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 Random Write Speed 76.1MB/s
Avg. 4K Random Mixed IO Speed 29.5MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Crucial BX300 480GB is 48.5%. This is a relatively wide range which indicates that the Crucial BX300 480GB performs inconsistently under varying real world conditions.


Avg. 4K-64Thread Read Speed 193MB/s
Avg. 4K-64Thread Write Speed 184MB/s

Average Bench

(Based on 187 samples)
Min Avg Max
386 Read 500 527
234 Write 446 493
324 Mixed 477 514
106% 474 MB/s
Min Avg Max
15.5 4K Read 24.9 32.8
35.1 4K Write 76.1 121
14.4 4K Mixed 29.5 44.4
116% 43.5 MB/s
Min Avg Max
22.3 DQ Read 193 377
55.8 DQ Write 184 343
15.4 DQ Mixed 69.2 114
84.6% 149 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
399GB free
Firmware: M2CR010 Max speed: SATA 3.0 600 MB/s
Read 509
Write 467
Mixed 494
109% 490 MB/s
4K Read 25.2
4K Write 87.7
4K Mixed 36.8
132% 49.9 MB/s
DQ Read 24.2
DQ Write 101
DQ Mixed 18.3
27% 47.8 MB/s
304GB free
Firmware: M2CR010 Max speed: SATA 3.0 600 MB/s
Read 378
Write 370
Mixed 376
84% 375 MB/s
4K Read 30.4
4K Write 86.3
4K Mixed 29.4
129% 48.7 MB/s
DQ Read 101
DQ Write 205
DQ Mixed 107
94% 137 MB/s
352GB free
Firmware: M2CR010 Max speed: SATA 3.0 600 MB/s
Read 457
Write 339
Mixed 466
94% 421 MB/s
4K Read 15.2
4K Write 83.3
4K Mixed 25
99% 41.2 MB/s
DQ Read 49.4
DQ Write 75.2
DQ Mixed 22.9
28% 49.2 MB/s
187 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 5,693,496 SSDs tested.


Approx. $50 @ launch in Aug '17
AmazonUS $1453 mins
EbayUS $1657 mins
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Typical BX300 480GB Builds (Compare 1,343 builds) See popular component choices, score breakdowns and rankings.
Gaming 68%
Battle cruiser
Desktop 71%
Workstation 43%
Speed boat

Motherboard: Asus PRIME B250-PLUS - $100

EDIT WITH CUSTOM PC BUILDER Value: 93% - Outstanding Total price: $720

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 (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) February 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: Silicon Motion SM2258. Flash Memory: Micron 3D MLC.

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

Added 3 months ago.


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885 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 $313Nvidia GTX 1070 $430Samsung 850 Evo 250GB $88
Intel Core i7-7700K $288Nvidia GTX 1060-6GB $285Samsung 850 Evo 500GB $146
AMD Ryzen 5 1600 $170AMD RX 480 $400Samsung 850 Pro 256GB $125
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $185SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $79G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $23
Seagate Barracuda 7200.14 1TB $42Corsair Vengeance LPX DDR4 3200 C16 2x8GB $206SanDisk Extreme 16GB $18
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