CrucialCT250MX200SSD1
SanDiskSDSSDXPS-240G

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

Controller: Marvell 88SS9187-BLD2. Flash Memory: SanDisk 19nm eX2 ABL MLC.

Real World Speed
Performance profile from 6,699 user samples
4,215 User Benchmarks
Best Bench: 102% 97GB free
Worst Bench: 61% 184GB free
Poor: 61% Great: 102%
SPEED RANK: 147th / 853
2,484 User Benchmarks
Best Bench: 105% 39GB free
Worst Bench: 64% 124GB free
Poor: 64% Great: 105%
SPEED RANK: 108th / 853
Effective Speed
Effective SSD Speed
83 % -4% 86.4 % +4%
Read
Avg. Sequential Read Speed
504 MB/s +4% 483 MB/s -4%
Write
Avg. Sequential Write Speed
367 MB/s -14% 420 MB/s Slightly faster write speed.
+14%
4K Read
Avg. 4K Random Read Speed
27 MB/s -5% 28.3 MB/s +5%
4K Write
Avg. 4K Random Write Speed
71.8 MB/s -2% 73.4 MB/s +2%
Mixed
Avg. Sequential Mixed IO Speed
372 MB/s -13% 421 MB/s Slightly faster mixed IO speed.
+13%
4K Mixed
Avg. 4K Random Mixed IO Speed
23.8 MB/s +4% 22.8 MB/s -4%
Read
Peak Sequential Read Speed
528 MB/s +3% 515 MB/s -3%
Write
Peak Sequential Write Speed
399 MB/s -23% 492 MB/s Faster peak write speed.
+23%
4K Read
Peak 4K Random Read Speed
32.9 MB/s -9% 36 MB/s Slightly faster peak random read.
+9%
4K Write
Peak 4K Random Write Speed
104 MB/s -13% 118 MB/s Slightly faster peak random write.
+13%
Mixed
Peak Sequential Mixed IO Speed
416 MB/s -16% 484 MB/s Faster peak mixed IO speed.
+16%
4K Mixed
Peak 4K Random Mixed IO Speed
34.3 MB/s Faster peak random mixed IO.
+16%
29.6 MB/s -16%
Market Share
Based on 3,087,090 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.36 % Higher market share.
+20%
0.3 % -20%
Value
Value For Money
57.1 % -36% 77.6 % Much better value.
+36%
User Rating
UBM User Rating
67 % +5% 64 % -5%
Price
Price (score)
$156 -33% $105 Much cheaper.
+33%
Age
Newest
29 Months More recent.
+19%
36 Months -19%
DQ Read
Peak 4K-64Thread Read Speed
357 MB/s -1% 362 MB/s +1%
DQ Write
Peak 4K-64Thread Write Speed
275 MB/s -16% 318 MB/s Faster peak deep queue write.
+16%
AS-SSD Total
AS-SSD Total Score
1,093 Pts -8% 1,176 Pts Slightly stronger server IO.
+8%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
66.6 MB/s +2% 65 MB/s -2%
ADQ Read
Avg. 4K-64Thread Read Speed
172 MB/s -16% 199 MB/s Faster deep queue read.
+16%
ADQ Write
Avg. 4K-64Thread Write Speed
171 MB/s -5% 180 MB/s Slightly faster deep queue write.
+5%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
40.4 MB/s -20% 48.4 MB/s Faster deep queue mixed IO.
+20%
Capacity
Capacity
250GB 240GB
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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 240GB Sandisk Extreme Pro uses the same controller and NAND as its 13 months younger predecessor, the Extreme II. Comparing the Extreme II and Extreme Pro shows that average performance has increased by 10% but peak performance remains broadly unchanged. The Pro features an improved nCache which uses an SLC buffer to cache writes prior to writing them to the slower MLC NAND. In order to benefit from this improved caching, huge amounts of data need to be written for extended periods, an unlikely consumer scenario. Comparing core performance between the Samsung 840 Evo and Extreme Pro shows that the Extreme Pro averages around 12% faster than the Evo. The Extreme Pro also has a 10 year warranty but I wonder if SATA 3 will even be around at that time. Although the Extreme Pro has a superb performance profile it's not a game changer. [Jun '14 SSDrivePro]

MORE DETAILS

Solid State Drive Rankings (Price vs Performance) June 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]

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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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The Best.
CPUGPUSSD
Intel Core i7-7700K $309Nvidia GTX 1070 $390Samsung 850 Evo 250GB $100
AMD Ryzen 7 1700 $278AMD RX 480 $608Samsung 850 Pro 256GB $130
Intel Core i5-7600K $225Nvidia GTX 1060-6GB $239Samsung 850 Evo 500GB $160
HDDRAMUSB
Seagate Barracuda 1TB (2016) $42Corsair Vengeance LPX DDR4 3000 C15 2x8GB $127SanDisk Extreme 64GB $45
Seagate Barracuda 3TB (2016) $83G.SKILL Trident Z DDR4 3200 C14 4x16GB $696SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $46HyperX Fury DDR4 2133 C14 2x8GB $144SanDisk Ultra Fit 32GB $13
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