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WDWD20PURX
SeagateST1000DM010
▲ 52830 ▼

Release date: Q3 2014.

VS
▲ 682,146 ▼

Release date: Q3 2016.

Effective Speed 
+40%
Real World Speed
Performance profile from 1,139,224 user samples
Benchmark your HDD here
19,126 User Benchmarks
Best Bench: 86% 2TB free
Worst Bench: 39% 122GB free
Poor: 39% Great: 86%
SPEED RANK: 153rd / 1015
1,120,098 User Benchmarks
Best Bench: 113% 914GB free
Worst Bench: 60% 513GB free
Poor: 60% Great: 113%
SPEED RANK: 13th / 1015
Effective Speed
Effective HDD Speed 		66.2 % 92.3 % Much faster effective speed.
+40%
Average Score 
+9%
Read
Avg. Sequential Read Speed 		116 MB/s 164 MB/s Much faster read speed.
+41%
Write
Avg. Sequential Write Speed 		115 MB/s 144 MB/s Faster write speed.
+25%
4K Read
Avg. 4K Random Read Speed 		0.74 MB/s 0.82 MB/s Faster random read.
+11%
4K Write
Avg. 4K Random Write Speed 		2.25 MB/s Much faster random write.
+49% 		1.51 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		62.2 MB/s 77.2 MB/s Faster mixed IO speed.
+24%
4K Mixed
Avg. 4K Random Mixed IO Speed 		0.89 MB/s Faster random mixed IO.
+25% 		0.71 MB/s
SusWrite
Avg. Sustained Write Speed 		115 MB/s 158 MB/s Much faster sustained write speed.
+37%
Peak Score 
+6%
Read
Peak Sequential Read Speed 		152 MB/s 199 MB/s Much faster peak read speed.
+31%
Write
Peak Sequential Write Speed 		148 MB/s 189 MB/s Faster peak write speed.
+28%
4K Read
Peak 4K Random Read Speed 		0.9 MB/s 1 MB/s Faster peak random read.
+11%
4K Write
Peak 4K Random Write Speed 		2.7 MB/s Much faster peak random write.
+59% 		1.7 MB/s
Mixed
Peak Sequential Mixed IO Speed 		79 MB/s 85.9 MB/s Slightly faster peak mixed IO speed.
+9%
4K Mixed
Peak 4K Random Mixed IO Speed 		1 MB/s Faster peak random mixed IO.
+11% 		0.9 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average 		151 MB/s 199 MB/s Much faster peak sustained write speed.
+32%
Value & Sentiment 
+1,302%
Market Share
Based on 53,961,383 HDDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.15 % 7.8 % Insanely higher market share.
+5,100%
Value
Value For Money 		39.5 % 52 % Much better value.
+32%
User Rating
UBM User Rating 		52 % 68 % Much more popular.
+31%
Price
Price (score) 		$67 $36 Much cheaper.
+47%
Nice To Haves 
+21%
Age
Newest 		124 Months 98 Months More recent.
+21%
Specifications 
Capacity
Capacity 		2TB 1TB
Conclusion 
Average Bench 66.2%
Average Bench 92.3%

The WD Purple is a surveillance drive with low power consumption and a design that's optimized for 24x7 operation. There is actually little beyond marketing that separates the Purple from the Red and Green drives. They all share almost identical hardware. The thing that does differentiate the Purple drives is their firmware which supports AllFrame, a surveillance specific feature. Allframe handles the cache in a way that is optimized for video streams. The AllFrame technology however is only enabled when used in conjunction with a supported host controller, most of which are only found in dedicated NVR (Network Video Recording) devices. As a result there is no benefit in using this drive in a HTPC to record video streams, because the surveillance specific functions won't be enabled. In terms of effective speed the Purple lags the new Red and Green drives by around 26%. [Oct '14 HDrivePro]

MORE DETAILS

The 1TB Seagate Barracuda 2016 (ST1000DM010) has an impressive performance profile. With Sequential read/writes averaging 173 and 159 MBps respectively, the Barracuda can make short work of even moderately large backups. The small file (4K) performance profile is less impressive but still adequate with average read/writes coming in at 0.87 and 1.53 MBps respectively. For use as OS drives, rotational disks are quickly loosing market share to SSDs which offer orders of magnitude faster 4k read/write speeds. On the other hand cheap TLC based SSDs often have slower sustained write speeds than their rotational counterparts. Reasonably good overall performance can be achieved by using a TLC SSD to host the OS and a larger rotational drive such as the Barracuda for backups and media files. Larger capacity variants of this drive offer both better performance and better value for money. [Feb '17 HDrivePro]

MORE DETAILS

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We calculate effective speed which measures performance for typical consumers. Effective speed is adjusted by current cost per GB to yield value for money. 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 HDDs. [HDrivePro]

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