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SeagateST4000DM000
WDWD10EZEX
▲ 51501 ▼

Release date: Q1 2013.

VS
Effective Speed 
+9%
Real World Speed
Performance profile from 3,172,765 user samples
Benchmark your HDD here
67,711 User Benchmarks
Best Bench: 96% 3.5TB free
Worst Bench: 46% 429GB free
Poor: 46% Great: 96%
SPEED RANK: 94th / 1015
3,105,054 User Benchmarks
Best Bench: 109% 916GB free
Worst Bench: 52% 59GB free
Poor: 52% Great: 109%
SPEED RANK: 60th / 1015
Effective Speed
Effective HDD Speed 		76.9 % 83.4 % Slightly faster effective speed.
+9%
Average Score 
+42%
Read
Avg. Sequential Read Speed 		133 MB/s 155 MB/s Faster read speed.
+17%
Write
Avg. Sequential Write Speed 		112 MB/s 140 MB/s Faster write speed.
+25%
4K Read
Avg. 4K Random Read Speed 		0.62 MB/s 1.19 MB/s Hugely faster random read.
+92%
4K Write
Avg. 4K Random Write Speed 		1.45 MB/s 2.47 MB/s Much faster random write.
+70%
Mixed
Avg. Sequential Mixed IO Speed 		70.8 MB/s 89.3 MB/s Faster mixed IO speed.
+26%
4K Mixed
Avg. 4K Random Mixed IO Speed 		0.66 MB/s 1.07 MB/s Much faster random mixed IO.
+62%
SusWrite
Avg. Sustained Write Speed 		135 MB/s 135 MB/s
Peak Score 
+43%
Read
Peak Sequential Read Speed 		170 MB/s 202 MB/s Faster peak read speed.
+19%
Write
Peak Sequential Write Speed 		154 MB/s 177 MB/s Faster peak write speed.
+15%
4K Read
Peak 4K Random Read Speed 		0.7 MB/s 1.5 MB/s Hugely faster peak random read.
+114%
4K Write
Peak 4K Random Write Speed 		1.9 MB/s 3 MB/s Much faster peak random write.
+58%
Mixed
Peak Sequential Mixed IO Speed 		83 MB/s 113 MB/s Much faster peak mixed IO speed.
+36%
4K Mixed
Peak 4K Random Mixed IO Speed 		0.8 MB/s 1.2 MB/s Much faster peak random mixed IO.
+50%
SusWrite
Peak Sequential Sustained Write 60s Average 		173 MB/s 185 MB/s Slightly faster peak sustained write speed.
+7%
Value & Sentiment 
+4,179%
Market Share
Based on 53,938,293 HDDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.08 % 13.4 % Insanely higher market share.
+16,700%
Value
Value For Money 		82.1 % Much better value.
+64% 		50 %
User Rating
UBM User Rating 		51 % 64 % More popular.
+25%
Price
Price (score) 		$75 $33 Much cheaper.
+56%
Nice To Haves 
+5%
Age
Newest 		141 Months Slightly more recent.
+5% 		149 Months
Specifications 
Capacity
Capacity 		4TB 1TB
Conclusion 
Average Bench 76.9%
Average Bench 83.4%

This is Seagate's most recent hard drive and their first 4TB consumer offering. With a rotational speed of just 5,900 RPM it's significantly slower than the 7,200 RPM Barracudas that it supersedes. The lower rotational speed results in approximately 10% slower sequential transfer speeds and longer access times which make this drive less suitable for use as a system drive. With peak 4k read/write speeds of 0.76/1.2 MB/s the 4TB HDD.15 lags the group leaders significantly. The HDD.15 is a far better candidate for use in a NAS (Network Attached Storage) where factors such as power consumption and cost per GB are more important than outright speeds. To conclude, the HDD.15 has a relatively disappointing small file 4K performance profile but it does offer a huge amount of storage at a very competitive price which makes it a good candidate for use in a NAS. [Aug '13 HDrivePro]

MORE DETAILS

This is the latest version of Western Digital's mid-range Blue drive. At only one year of age this drive is relatively new and the performance figures reflect this. With maximum sequential speeds of 180 MB/s (both read and write) the Blue is amongst the faster drives currently available and in terms of real world performance it beats its predecessor the 2010 Blue (WD10EALS) by around 18%. The 2012 Blue has a single 1TB platter which combined with its 7200 rotation speed allows for above average performance across the board. In terms of value for money a larger capacity drive will nearly always be a better choice but within the 1TB category as a system drive, the 2012 Blue is a very reasonable, if not the best, option. [Jan '14 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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