SamsungMZ-7KE128BW
CrucialCT250MX200SSD1
$134

Controller: Samsung Triple Core MEX. Memory: Samsung 40nm MLC V-NAND. Release date: Q3 2014.

 $134 

Controller: Marvell 88SS9189. Flash Memory: Micron 16nm MLC. Release date: Q1 2015.

Real World Speed
Performance profile from 44,559 user samples
18,195 User Benchmarks
Best Bench: 119% 119GB free
Worst Bench: 71% 60GB free (System drive)
Poor: 71% Great: 119%
SPEED RANK: 268th / 1080
26,364 User Benchmarks
Best Bench: 113% 110GB free
Worst Bench: 69% 211GB free
Poor: 69% Great: 113%
SPEED RANK: 288th / 1080
Effective Speed
Effective SSD Speed
98.7 % +4% 94.8 %
Read
Avg. Sequential Read Speed
472 MB/s Faster read speed.
+11%
426 MB/s
Write
Avg. Sequential Write Speed
397 MB/s 411 MB/s +4%
4K Read
Avg. 4K Random Read Speed
32.3 MB/s Faster random read.
+15%
28 MB/s
4K Write
Avg. 4K Random Write Speed
88.9 MB/s +3% 86.7 MB/s
Mixed
Avg. Sequential Mixed IO Speed
301 MB/s 342 MB/s Faster mixed IO speed.
+14%
4K Mixed
Avg. 4K Random Mixed IO Speed
40 MB/s +2% 39.3 MB/s
SusWrite
Avg. Sustained Write Speed
336 MB/s 346 MB/s +3%
Read
Peak Sequential Read Speed
516 MB/s Slightly faster peak read speed.
+10%
470 MB/s
Write
Peak Sequential Write Speed
479 MB/s +2% 470 MB/s
4K Read
Peak 4K Random Read Speed
37.8 MB/s Faster peak random read.
+16%
32.6 MB/s
4K Write
Peak 4K Random Write Speed
120 MB/s 120 MB/s
Mixed
Peak Sequential Mixed IO Speed
356 MB/s 382 MB/s Slightly faster peak mixed IO speed.
+7%
4K Mixed
Peak 4K Random Mixed IO Speed
47.4 MB/s 47.7 MB/s +1%
SusWrite
Peak Sequential Sustained Write 60s Average
473 MB/s +3% 458 MB/s
Market Share
Based on 76,491,656 SSDs tested
Market Share
Market Share (trailing 30 days)
0.02 % 0.03 % Much higher market share.
+50%
Value
Value For Money
10.5 % Slightly better value.
+7%
9.84 %
User Rating
UBM User Rating
54 % 55 % +2%
Price
Price (score)
$66 Much cheaper.
+50%
$134
Age
Newest
120 Months 114 Months +5%
DQ Read
Peak 4K-64Thread Read Speed
389 MB/s +3% 378 MB/s
DQ Write
Peak 4K-64Thread Write Speed
360 MB/s 364 MB/s +1%
AS-SSD Total
AS-SSD Total Score
1,263 Pts +2% 1,234 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
332 MB/s Faster peak deep queue mixed IO.
+29%
258 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
343 MB/s Slightly faster deep queue read.
+6%
323 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
292 MB/s 297 MB/s +2%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
276 MB/s Faster deep queue mixed IO.
+24%
222 MB/s
Capacity
Capacity
128GB 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

Solid State Drive Rankings (Price vs Performance) July 2024 SSD Rankings

Welcome to our 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]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.
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The Best
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Intel Core i5-12400F $110Nvidia RTX 4060-Ti $390Crucial T700 M.2 4TB $342
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