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SeagateST4000DM000
SeagateST3000DM001
▲ 51501 ▼

Release date: Q1 2013.

VS
Effective Speed 
+15%
Real World Speed
Performance profile from 303,212 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
235,501 User Benchmarks
Best Bench: 113% 3TB free
Worst Bench: 56% 2TB free (System drive)
Poor: 56% Great: 113%
SPEED RANK: 31st / 1015
Effective Speed
Effective HDD Speed 		76.9 % 88.3 % Faster effective speed.
+15%
Average Score 
+13%
Read
Avg. Sequential Read Speed 		133 MB/s 152 MB/s Faster read speed.
+14%
Write
Avg. Sequential Write Speed 		112 MB/s 127 MB/s Faster write speed.
+13%
4K Read
Avg. 4K Random Read Speed 		0.62 MB/s 0.71 MB/s Faster random read.
+15%
4K Write
Avg. 4K Random Write Speed 		1.45 MB/s 1.72 MB/s Faster random write.
+19%
Mixed
Avg. Sequential Mixed IO Speed 		70.8 MB/s 75.6 MB/s Slightly faster mixed IO speed.
+7%
4K Mixed
Avg. 4K Random Mixed IO Speed 		0.66 MB/s 0.72 MB/s Slightly faster random mixed IO.
+9%
SusWrite
Avg. Sustained Write Speed 		135 MB/s 155 MB/s Faster sustained write speed.
+15%
Peak Score 
+23%
Read
Peak Sequential Read Speed 		170 MB/s 200 MB/s Faster peak read speed.
+18%
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 0.9 MB/s Faster peak random read.
+29%
4K Write
Peak 4K Random Write Speed 		1.9 MB/s 3.11 MB/s Much faster peak random write.
+64%
Mixed
Peak Sequential Mixed IO Speed 		83 MB/s 86.9 MB/s +5%
4K Mixed
Peak 4K Random Mixed IO Speed 		0.8 MB/s 0.9 MB/s Faster peak random mixed IO.
+12%
SusWrite
Peak Sequential Sustained Write 60s Average 		173 MB/s 200 MB/s Faster peak sustained write speed.
+16%
Value & Sentiment 
+119%
Market Share
Based on 53,938,355 HDDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.07 % 0.44 % Hugely higher market share.
+529%
Value
Value For Money 		82.1 % Much better value.
+42% 		57.9 %
User Rating
UBM User Rating 		51 % 55 % Slightly more popular.
+8%
Price
Price (score) 		$75 Cheaper.
+18% 		$91
Nice To Haves 
+11%
Age
Newest 		141 Months More recent.
+11% 		158 Months
Specifications 
Capacity
Capacity 		4TB 3TB
Conclusion 
Average Bench 76.9%
Average Bench 88.3%

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 drive can be used as a combined system and storage drive thanks to its fast 7200K rpm and enormous 3TB capacity. Recently prices for all large drives have been dropping and the 3TB Barracuda 7200.14 is currently a good choice in terms of both value for money and performance. Not only does the Barracuda have respectable sequential read/write speeds but it also goes head to head with the various green options, consuming a very reasonable 5.4W vs 5W (idle) on average for a "green" drive. That amounts to a tiny power consumption disadvantage and a lot more speed. Overall the Barracuda is priced aggressively and represents very good value for money. [Oct '12 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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