CrucialCT250MX200SSD1
CrucialCT250BX100SSD1

Controller: Marvell 88SS9189. Flash Memory: Micron 16nm MLC.

Controller: Silicon Motion SM2246EN. Flash Memory: Micron 16nm MLC.

Real World Speed
Performance profile from 12,110 user samples
4,598 User Benchmarks
Best Bench: 101% 108GB free
Worst Bench: 64% 77GB free
Poor: 64% Great: 101%
SPEED RANK: 141st / 853
7,512 User Benchmarks
Best Bench: 101% 65GB free
Worst Bench: 64% 199GB free
Poor: 64% Great: 101%
SPEED RANK: 120th / 853
Effective Speed
Effective SSD Speed
83.5 % -2% 85.2 % +2%
Read
Avg. Sequential Read Speed
506 MB/s +1% 500 MB/s -1%
Write
Avg. Sequential Write Speed
370 MB/s +4% 357 MB/s -4%
4K Read
Avg. 4K Random Read Speed
27.1 MB/s Slightly faster random read.
+6%
25.6 MB/s -6%
4K Write
Avg. 4K Random Write Speed
71.9 MB/s -13% 80.9 MB/s Slightly faster random write.
+13%
Mixed
Avg. Sequential Mixed IO Speed
378 MB/s -9% 413 MB/s Slightly faster mixed IO speed.
+9%
4K Mixed
Avg. 4K Random Mixed IO Speed
24.3 MB/s -14% 27.7 MB/s Slightly faster random mixed IO.
+14%
Read
Peak Sequential Read Speed
527 MB/s +0% 525 MB/s -0%
Write
Peak Sequential Write Speed
399 MB/s Slightly faster peak write speed.
+8%
370 MB/s -8%
4K Read
Peak 4K Random Read Speed
32.9 MB/s Slightly faster peak random read.
+8%
30.6 MB/s -8%
4K Write
Peak 4K Random Write Speed
104 MB/s -10% 114 MB/s Slightly faster peak random write.
+10%
Mixed
Peak Sequential Mixed IO Speed
415 MB/s -4% 432 MB/s +4%
4K Mixed
Peak 4K Random Mixed IO Speed
34.2 MB/s -11% 38.1 MB/s Slightly faster peak random mixed IO.
+11%
Market Share
Based on 3,324,546 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.25 % -64% 0.41 % Much higher market share.
+64%
Value
Value For Money
57.5 % -28% 73.7 % Better value.
+28%
User Rating
UBM User Rating
67 % Slightly more popular.
+8%
62 % -8%
Price
Price (score)
$156 -26% $115 Cheaper.
+26%
Age
Newest
30 Months 0% 30 Months 0%
DQ Read
Peak 4K-64Thread Read Speed
355 MB/s Faster peak deep queue read.
+28%
277 MB/s -28%
DQ Write
Peak 4K-64Thread Write Speed
278 MB/s -13% 313 MB/s Slightly faster peak deep queue write.
+13%
AS-SSD Total
AS-SSD Total Score
1,093 Pts Slightly stronger server IO.
+8%
1,012 Pts -8%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
66.8 MB/s -8% 72.4 MB/s Slightly faster peak deep queue mixed IO.
+8%
ADQ Read
Avg. 4K-64Thread Read Speed
172 MB/s Slightly faster deep queue read.
+14%
151 MB/s -14%
ADQ Write
Avg. 4K-64Thread Write Speed
172 MB/s -20% 207 MB/s Faster deep queue write.
+20%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
41.2 MB/s -13% 46.5 MB/s Slightly faster deep queue mixed IO.
+13%
Capacity
Capacity
250GB 250GB
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The 250GB Crucial MX200 is successor to the hugely successful MX100. Both drives use the same NAND and controller but the new MX200 features Dynamic Write Acceleration (DWA) which is a new dynamically sized SLC cache. Samsung were the first to introduce SLC caching on the 840 Evo nearly two years ago so Crucial are somewhat late to the party. SLC caches generally only help performance in corner case real word scenarios and benchmarks. I prefer drives without SLC caches because they offer more consistent and sustainable real world IO. Comparing the MX100 and MX200 shows that the newer MX200 has a significantly faster peak write speed which is of course explained by the new DWA cache. Price is the deciding factor between the MX100 and MX200 so although the MX200 isn't priced aggressively yet, it will almost certainly move up the value rankings when retailers build stocks and subsequently cut prices. [Feb '15 SSDrivePro]

MORE DETAILS

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]

MORE DETAILS

Solid State Drive Rankings (Price vs Performance) July 2017 SSD Rankings.

Welcome to our consumer SSD comparison. We calculate effective speed based on real world performance then adjust by cost per GB to yield a value for money rating. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top SSDs. Share your opinion by voting. [SSDrivePro]

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.

 Frequently Asked Questions

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CPUGPUSSD
Intel Core i7-7700K $337Nvidia GTX 1070 $390Samsung 850 Evo 250GB $96
AMD Ryzen 7 1700 $280AMD RX 480 $379Samsung 850 Pro 256GB $120
Intel Core i5-7600K $235Nvidia GTX 1060-6GB $33Samsung 850 Evo 500GB $162
HDDRAMUSB
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Seagate Barracuda 3TB (2016) $83G.SKILL Trident Z DDR4 3200 C14 4x16GB $714SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $40HyperX Fury DDR4 2133 C14 2x8GB $140SanDisk Ultra Fit 32GB $13
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