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SamsungMZ-75E250B
HyperXSHSS37A/120G
$80
▲ 5640,704 ▼

Controller: Samsung Dual Core MGX. Memory: Samsung 40nm TLC V-NAND. Release date: Q4 2014.

VS
▲ 53964 ▼
 $80 

Controller: Phison PS3110. NAND Memory: Toshiba A19 MLC. Release date: Q2 2015.

Effective Speed 
+21%
Real World Speed
Performance profile from 958,785 user samples
Benchmark your SSD here
951,591 User Benchmarks
Best Bench: 124% 140GB free
Worst Bench: 72% 233GB free
Poor: 72% Great: 124%
SPEED RANK: 251st / 1080
7,194 User Benchmarks
Best Bench: 104% 112GB free
Worst Bench: 63% 88GB free
Poor: 63% Great: 104%
SPEED RANK: 402nd / 1080
Effective Speed
Effective SSD Speed 		103 % Faster effective speed.
+21% 		85.6 %
Average Score 
+29%
Read
Avg. Sequential Read Speed 		466 MB/s +3% 451 MB/s
Write
Avg. Sequential Write Speed 		434 MB/s Much faster write speed.
+35% 		321 MB/s
4K Read
Avg. 4K Random Read Speed 		39.4 MB/s Much faster random read.
+52% 		26 MB/s
4K Write
Avg. 4K Random Write Speed 		94.6 MB/s Faster random write.
+27% 		74.3 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		370 MB/s Much faster mixed IO speed.
+38% 		269 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed 		52.2 MB/s Much faster random mixed IO.
+59% 		32.8 MB/s
SusWrite
Avg. Sustained Write Speed 		247 MB/s 280 MB/s Faster sustained write speed.
+13%
Peak Score 
+22%
Read
Peak Sequential Read Speed 		507 MB/s 514 MB/s +1%
Write
Peak Sequential Write Speed 		492 MB/s Faster peak write speed.
+17% 		419 MB/s
4K Read
Peak 4K Random Read Speed 		47.6 MB/s Much faster peak random read.
+50% 		31.7 MB/s
4K Write
Peak 4K Random Write Speed 		129 MB/s Faster peak random write.
+18% 		109 MB/s
Mixed
Peak Sequential Mixed IO Speed 		416 MB/s Much faster peak mixed IO speed.
+34% 		311 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed 		64.6 MB/s Much faster peak random mixed IO.
+60% 		40.4 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average 		328 MB/s 407 MB/s Faster peak sustained write speed.
+24%
Value & Sentiment 
+1,266%
Market Share
Based on 77,531,976 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.51 % Insanely higher market share.
+5,000% 		0.01 %
Value
Value For Money 		13.4 % Much better value.
+77% 		7.54 %
User Rating
UBM User Rating 		56 % Slightly more popular.
+6% 		53 %
Price
Price (score) 		$100 $80 Cheaper.
+20%
Nice To Haves 
+71%
Age
Newest 		119 Months 115 Months +3%
DQ Read
Peak 4K-64Thread Read Speed 		386 MB/s Slightly faster peak deep queue read.
+6% 		363 MB/s
DQ Write
Peak 4K-64Thread Write Speed 		362 MB/s +1% 357 MB/s
AS-SSD Total
AS-SSD Total Score 		1,290 Pts Slightly stronger server IO.
+9% 		1,188 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		370 MB/s Hugely faster peak deep queue mixed IO.
+168% 		138 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed 		354 MB/s Slightly faster deep queue read.
+9% 		326 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed 		308 MB/s Faster deep queue write.
+12% 		275 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		320 MB/s Hugely faster deep queue mixed IO.
+368% 		68.4 MB/s
Specifications 
Capacity
Capacity 		250GB 120GB
Conclusion 
Average Bench 103%
Average Bench 85.6%

The 250GB Samsung 850 Evo has a similar architecture to its hugely successful predecessor, the 840 Evo. Both drives are TLC based but the 850 uses 3D V-NAND as opposed to regular NAND. Both drives also feature a Turbowrite cache (TWC) which buffers up to 3GB of writes. The TWC enables high burst write speeds but when the cache exhausts write speeds drop to 300 MB/s. Comparing the 850 and 840 Evos shows that effective speed, has improved by 11% and the warranty has been extended from three to five years but prices are also up by 11%. The 850 Evo does put in superb benchmarks (second only to the 850 Pro) but these are only valid within the TWC. At current price levels the 850 Evo struggles to compete with the value leaders. [Dec '14 SSDrivePro]

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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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Storage Devices FAQ
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Solid State Drives
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