CrucialCT250MX200SSD1
SamsungMZ-7KE256BW

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

Controller: Samsung Triple Core MEX. Memory: Samsung 40nm MLC V-NAND

Real World Speed
Performance profile from 25,483 user samples
4,109 User Benchmarks
Best Bench: 101% 63GB free
Worst Bench: 61% 184GB free
Poor: 61% Great: 101%
SPEED RANK: 161st / 850
21,374 User Benchmarks
Best Bench: 123% 214GB free
Worst Bench: 66% 28GB free
Poor: 66% Great: 123%
SPEED RANK: 53rd / 850
Effective Speed
Effective SSD Speed
82 % -21% 98.8 % Faster effective speed.
+21%
Read
Avg. Sequential Read Speed
504 MB/s +0% 503 MB/s -0%
Write
Avg. Sequential Write Speed
365 MB/s -21% 440 MB/s Faster write speed.
+21%
4K Read
Avg. 4K Random Read Speed
26.6 MB/s -21% 32.3 MB/s Faster random read.
+21%
4K Write
Avg. 4K Random Write Speed
69.4 MB/s -26% 87.4 MB/s Faster random write.
+26%
Mixed
Avg. Sequential Mixed IO Speed
375 MB/s -22% 459 MB/s Faster mixed IO speed.
+22%
4K Mixed
Avg. 4K Random Mixed IO Speed
23.3 MB/s -48% 34.4 MB/s Much faster random mixed IO.
+48%
Read
Peak Sequential Read Speed
528 MB/s -0% 529 MB/s +0%
Write
Peak Sequential Write Speed
399 MB/s -26% 502 MB/s Faster peak write speed.
+26%
4K Read
Peak 4K Random Read Speed
33.2 MB/s -26% 41.7 MB/s Faster peak random read.
+26%
4K Write
Peak 4K Random Write Speed
102 MB/s -25% 128 MB/s Faster peak random write.
+25%
Mixed
Peak Sequential Mixed IO Speed
416 MB/s -24% 514 MB/s Faster peak mixed IO speed.
+24%
4K Mixed
Peak 4K Random Mixed IO Speed
34.3 MB/s -50% 51.3 MB/s Much faster peak random mixed IO.
+50%
Market Share
Based on 2,813,985 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.31 % -365% 1.44 % Hugely higher market share.
+365%
Value
Value For Money
56.4 % -35% 75.9 % Much better value.
+35%
User Rating
UBM User Rating
67 % -43% 96 % Much more popular.
+43%
Price
Price (score)
$156 -12% $138 Slightly cheaper.
+12%
Age
Newest
28 Months More recent.
+18%
34 Months -18%
DQ Read
Peak 4K-64Thread Read Speed
360 MB/s -6% 383 MB/s Slightly faster peak deep queue read.
+6%
DQ Write
Peak 4K-64Thread Write Speed
279 MB/s -24% 345 MB/s Faster peak deep queue write.
+24%
AS-SSD Total
AS-SSD Total Score
1,100 Pts -14% 1,259 Pts Slightly stronger server IO.
+14%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
66.5 MB/s -150% 166 MB/s Hugely faster peak deep queue mixed IO.
+150%
ADQ Read
Avg. 4K-64Thread Read Speed
169 MB/s -22% 207 MB/s Faster deep queue read.
+22%
ADQ Write
Avg. 4K-64Thread Write Speed
168 MB/s -30% 219 MB/s Much faster deep queue write.
+30%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
39.9 MB/s -125% 89.9 MB/s Hugely faster deep queue mixed IO.
+125%
Capacity
Capacity
250GB 256GB
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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 256GB Samsung 850 Pro is the fastest consumer SSD we have seen to date. Thanks to Samsung's new 3D V-NAND the 850 Pro has lower power consumption and better performance, albeit marginally, than both the 840 Evo and 840 Pro. Looking at the benchmark figures for the 840 and 850 Pros shows that the effective performance improvement is 10% whereas the 850 Pro beats the 840 Evo by 16%. These drives effectively saturate SATA 3.0 making it difficult to distinguish between them in day-to-day use. At current prices the 850 Pro is prohibitively expensive, prices need to drop by 15% before it approaches the 840 Pro from a value perspective. Samsung may release a value orientated 850 Evo soon, but for now "most" users are better off with the 840 Pro. [Oct '14 SSDrivePro]

MORE DETAILS

Solid State Drive Rankings (Price vs Performance) May 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

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i7-7700K $309Nvidia GTX 1070 $368Samsung 850 Evo 250GB $98
AMD Ryzen 7 1700 $300AMD RX 480 $210Samsung 850 Pro 256GB $138
Intel Core i5-7600K $240Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $167
HDDRAMUSB
Seagate Barracuda 1TB (2016) $50Corsair Vengeance LPX DDR4 3000 C15 2x8GB $127SanDisk Extreme 64GB $33
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $700SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $46Corsair Vengeance LPX DDR4 3200 C16 2x8GB $130SanDisk Ultra Fit 32GB $13
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