Average Bench: 81.8% (362nd of 992)

Based on 23,694 user benchmarks.  Models: Crucial_CT256MX100SSD1, Crucial_ CT256MX100SSD1, Crucial_ Crucial_CT256MX1, Crucial_CT256MX1, Crucial_ CT256MX100SS

The Crucial MX100 is the first 16nm SSD to date. Aside from NAND, the MX100 shares the same hardware as its more expensive sibling, the M550. Comparing the MX100 and M550 shows that the two drives have similar read speeds but that the MX100 lags by nearly 50% at writing. The newer 16nm NAND reduces costs and accordingly the MX100 is the cheapest SSD (per GB) to date. In terms of performance the MX100 is a compromise which may or may not be worth making depending on individual circumstances. For typical desktop use including email, office documents and web browsing the MX100 is a great choice but power users should look elsewhere. Comparing the 250GB 840 EVO and 256GB MX100 shows that for a marginal premium, the Evo offers better write speeds. (Note: at 500GB they are more evenly matched) [Jun '14 SSDrivePro]


Very good average bench

The Crucial MX100 256GB averaged just 18.1% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Crucial MX100 256GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 137MB/s
Avg. 4K Random Write Speed 90.1MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Crucial MX100 256GB is 40.1%. This is a relatively wide range which indicates that the Crucial MX100 256GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 228MB/s
Avg. 4K-64Thread Read Speed 175MB/s

Average Bench

(Based on 23,694 samples)
Min Avg Max
316 Read 410 454
272 Write 317 332
225 Mixed 285 316
100 SusWrite 228 330
69.4% 310 MB/s
Min Avg Max
19.1 4K Read 26.3 31.1
45.6 4K Write 90.1 122
25.2 4K Mixed 36.8 44.5
135% 51.1 MB/s
Min Avg Max
43.2 DQ Read 175 241
106 DQ Write 272 312
40.5 DQ Mixed 137 183
128% 195 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
61GB free (System drive)
Firmware: MU01
SusWrite @10s intervals: 309 226 194 208 193 203 MB/s
Read 448
Write 329
Mixed 309
SusWrite 222
73% 327 MB/s
4K Read 30.5
4K Write 113
4K Mixed 43.3
161% 62.2 MB/s
DQ Read 176
DQ Write 308
DQ Mixed 137
133% 207 MB/s
193GB free (System drive)
Firmware: MU01
SusWrite @10s intervals: 285 283 284 292 289 290 MB/s
Read 416
Write 320
Mixed 261
SusWrite 287
72% 321 MB/s
4K Read 31.2
4K Write 113
4K Mixed 34.2
151% 59.3 MB/s
DQ Read 188
DQ Write 293
DQ Mixed 148
138% 210 MB/s
91GB free (System drive)
Firmware: MU01
SusWrite @10s intervals: 317 312 259 112 82 47 MB/s
Read 443
Write 326
Mixed 307
SusWrite 188
71% 316 MB/s
4K Read 26.4
4K Write 71.8
4K Mixed 35.4
123% 44.5 MB/s
DQ Read 202
DQ Write 179
DQ Mixed 148
123% 176 MB/s
98GB free (System drive)
Firmware: MU01
SusWrite @10s intervals: 313 248 191 183 181 186 MB/s
Read 414
Write 320
Mixed 299
SusWrite 217
70% 312 MB/s
4K Read 22.9
4K Write 52
4K Mixed 27.7
98% 34.2 MB/s
DQ Read 182
DQ Write 308
DQ Mixed 142
137% 211 MB/s
23,694 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 13,031,166 SSDs tested.

Typical MX100 256GB Builds (Compare 10,241 builds) See popular component choices, score breakdowns and rankings.
Gaming 62%
Desktop 76%
Workstation 56%

Motherboard: Asus Z97-A - $143

EDIT WITH CUSTOM PC BUILDER Value: 71% - Very good Total price: $998

Popular MX100 256GB 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) March 2019 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 88SS9189. Flash Memory: Micron 16nm MLC

The choice between speed and capacity is over, choose both...

Added 4 years ago.


23 months ago.


As a pure drive it's average, as a price leader it's superb. The bang for the buck makes it hard to beat.—Dec '14


4 years ago.


18 days ago.

I had it for 4 years now and it havent faild me once 8 months after the review, a goddam sata powercable fired it.

992 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 $370Nvidia GTX 1070 $370Samsung 850 Evo 250GB $75
AMD Ryzen 5 1600 $122Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $105
Intel Core i5-8600K $260Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3000 C15 2x8GB $105SanDisk Extreme 64GB $43
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $716SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $110SanDisk Ultra Fit 32GB $12
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