Average Bench: 86.6% (322nd of 1021)

Based on 26,219 user benchmarks.  Models: CT250BX1 00SSD1, CT250BX100SSD1

The 250GB Crucial BX100 SSD is the value orientated variant of Crucial's M range of SSDs. The BX100 uses the same NAND as its premium MX200 sibling but the BX100 uses a Silicon Motion controller as opposed to the Marvel controller found in the MX range. Feature wise the BX100 is missing SLC caching and there is no hardware encryption (so security frameworks such as windows Bitlocker will operate less efficiently). In terms of I/O performance the BX100 looks promising. Comparing the BX100 and MX100 shows that the newer BX100 may be faster than its predecessor but as yet there are insufficient user benchmarks to draw any definitive conclusions. The BX100 has only just started hitting the shelves so there's plenty of room for price reductions from its already reasonable price tag. I will revisit this review when I have more performance data for the BX100. [Jan '15 SSDrivePro]


Very good average bench

The Crucial BX100 250GB averaged just 13.3% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Crucial BX100 250GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 169MB/s
Avg. 4K Random Mixed IO Speed 36MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Crucial BX100 250GB is 43.6%. This is a relatively wide range which indicates that the Crucial BX100 250GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 275MB/s
Avg. Sequential Mixed IO Speed 285MB/s

Average Bench

(Based on 26,219 samples)
Min Avg Max
390 Read 476 515
282 Write 349 370
44 Mixed 285 337
148 SusWrite 275 362
77.3% 346 MB/s
Min Avg Max
19.7 4K Read 26.2 30.7
8.7 4K Write 77.8 113
15.4 4K Mixed 36 44.7
127% 46.7 MB/s
Min Avg Max
163 DQ Read 257 281
106 DQ Write 277 324
18.6 DQ Mixed 169 198
154% 234 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
199GB free (System drive)
Firmware: MU02
SusWrite @10s intervals: 284 347 359 361 360 362 MB/s
Read 511
Write 359
Mixed 247
SusWrite 346
82% 366 MB/s
4K Read 30.8
4K Write 111
4K Mixed 44
162% 61.9 MB/s
DQ Read 280
DQ Write 315
DQ Mixed 196
176% 263 MB/s
29GB free (System drive)
Firmware: MU02
SusWrite @10s intervals: 279 229 105 155 123 128 MB/s
Read 512
Write 360
Mixed 68.7
SusWrite 170
61% 278 MB/s
4K Read 29.3
4K Write 95.7
4K Mixed 41.7
148% 55.6 MB/s
DQ Read 280
DQ Write 321
DQ Mixed 197
177% 266 MB/s
24GB free (System drive)
Firmware: MU02
SusWrite @10s intervals: 273 141 76 79 99 78 MB/s
Read 492
Write 365
Mixed 53.8
SusWrite 124
57% 259 MB/s
4K Read 27.8
4K Write 92.4
4K Mixed 12.9
108% 44.4 MB/s
DQ Read 278
DQ Write 252
DQ Mixed 196
166% 242 MB/s
26,219 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 26,445,205 SSDs tested.


Approx. $110 @ launch in Jan '15
AmazonUS $993 months
EbayUS $1379 mins
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Typical BX100 250GB Builds (Compare 27,585 builds) See popular component choices, score breakdowns and rankings.
Gaming 53%
Desktop 77%
Workstation 60%

Motherboard: MSI Z97 GAMING 5 (MS-7917)

EDIT WITH CUSTOM PC BUILDER Value: 48% - Average Total price: $842

Popular BX100 250GB 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.
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  • - Share your opinion by voting.
Solid State Drive Rankings (Price vs Performance) May 2020 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 SM2246EN. Flash Memory: Micron 16nm MLC

Outlast and outperform your hard drive...

Added 5 years ago.


3 years ago.

For the current price. Its hard to beat! :)


5 years ago.

1021 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 i5-9600K $199Nvidia GTX 1650S (Super) $160Samsung 850 Evo 120GB $78
Intel Core i7-9700K $365Nvidia RTX 2070S (Super) $500Samsung 860 Evo 250GB $55
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Ultra Fit 32GB $16
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