Average Bench: 76.5% (303rd of 929)

Based on 799 user benchmarks.  Model: CT120BX300SSD1

Good average bench

The Crucial BX300 120GB averaged 23.5% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Crucial BX300 120GB near the top of the comparison list.


Avg. 4K Random Read Speed 25.4MB/s
Avg. Sequential Read Speed 504MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Crucial BX300 120GB is 38.6%. This is a relatively wide range which indicates that the Crucial BX300 120GB performs inconsistently under varying real world conditions.


Avg. 4K-64Thread Read Speed 99.8MB/s
Avg. 4K-64Thread Mixed IO Speed 34MB/s

Average Bench

(Based on 799 samples)
Min Avg Max
441 Read 504 527
187 Write 346 399
217 Mixed 374 422
90.5% 408 MB/s
Min Avg Max
16.3 4K Read 25.4 32.6
29.2 4K Write 60.7 94.3
11.5 4K Mixed 22.3 33.9
99.2% 36.1 MB/s
Min Avg Max
19.9 DQ Read 99.8 174
41.1 DQ Write 140 271
11.6 DQ Mixed 34 59.1
49.7% 91.2 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
63GB free
Firmware: M2CR010 Max speed: SATA 3.0 600 MB/s
Read 519
Write 390
Mixed 413
98% 441 MB/s
4K Read 31.3
4K Write 81.6
4K Mixed 19.7
116% 44.2 MB/s
DQ Read 157
DQ Write 253
DQ Mixed 19.9
67% 143 MB/s
27GB free
Firmware: M2CR010 Max speed: SATA 3.0 600 MB/s
Read 524
Write 355
Mixed 345
90% 408 MB/s
4K Read 31.9
4K Write 52.5
4K Mixed 32.6
118% 39 MB/s
DQ Read 32.8
DQ Write 163
DQ Mixed 20
38% 72 MB/s
66GB free
Firmware: M2CR010 Max speed: SATA 3.0 600 MB/s
Read 527
Write 399
Mixed 368
96% 432 MB/s
4K Read 29.5
4K Write 56.9
4K Mixed 29.3
112% 38.6 MB/s
DQ Read 28.9
DQ Write 43.8
DQ Mixed 17.5
18% 30.1 MB/s
51GB free
Firmware: M2CR Max speed: SATA 3.0 600 MB/s
Read 490
Write 351
Mixed 156
73% 333 MB/s
4K Read 17.3
4K Write 26.2
4K Mixed 24.7
72% 22.8 MB/s
DQ Read 170
DQ Write 205
DQ Mixed 59.8
80% 145 MB/s
799 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 7,152,990 SSDs tested.


Approx. $50 @ launch in Aug '17
AmazonUS $435 mins
EbayUS $489 mins
Send price feedback
Typical BX300 120GB Builds (Compare 11,338 builds) See popular component choices, score breakdowns and rankings.
Gaming 68%
Battle cruiser
Desktop 69%
Battle cruiser
Workstation 65%

Motherboard: Gigabyte GA-AB350-Gaming 3-CF - $99

EDIT WITH CUSTOM PC BUILDER Value: 88% - Excellent Total price: $744

Popular BX300 120GB 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) June 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 6 months ago.


6 months ago.

Super fast speed for a smaller 120 drive. Compares to 850 Pro speeds for about $100 less! Found it on sale for $69.99 and is the best bang for the buck!


6 months ago.


Really good price to performance on this MLC SSD. for a 120GB it delivers a punch as most 120GB models have limited performance, as producers want you to buy the larger capacity, more expensive models such as 240GB and so on. This drive competes with other top quality, low price storage drives. —Nov '17

929 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.
AMD Ryzen 5 1600 $175Nvidia GTX 1070 $447Samsung 850 Evo 250GB $104
Intel Core i7-8700K $320Nvidia GTX 1060-6GB $250Samsung 850 Evo 500GB $110
Intel Core i5-8600K $239AMD RX 480 $280Samsung 850 Pro 256GB $116
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $177SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $911SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $58HyperX Fury DDR4 2133 C14 2x8GB $226SanDisk Ultra Fit 32GB $12
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