Real World Speed
Performance profile from 7,142 user samples
266 User Benchmarks
Best Bench: 130% 5.5TB free
Worst Bench: 91% 4TB free
Poor: 91% Great: 130%
SPEED RANK: 1st / 979
6,876 User Benchmarks
Best Bench: 95% 3.5TB free
Worst Bench: 54% 1.5TB free
Poor: 54% Great: 95%
SPEED RANK: 79th / 979
Effective Speed
Effective HDD Speed
114 % Much faster effective speed.
+47%
77.4 % -47%
Read
Avg. Sequential Read Speed
178 MB/s Faster read speed.
+26%
141 MB/s -26%
Write
Avg. Sequential Write Speed
217 MB/s Much faster write speed.
+68%
129 MB/s -68%
4K Read
Avg. 4K Random Read Speed
4.45 MB/s Hugely faster random read.
+654%
0.59 MB/s -654%
4K Write
Avg. 4K Random Write Speed
2.73 MB/s Hugely faster random write.
+102%
1.35 MB/s -102%
Mixed
Avg. Sequential Mixed IO Speed
171 MB/s Much faster mixed IO speed.
+42%
120 MB/s -42%
4K Mixed
Avg. 4K Random Mixed IO Speed
0.3 MB/s Much faster random mixed IO.
+67%
0.18 MB/s -67%
Read
Peak Sequential Read Speed
217 MB/s Faster peak read speed.
+24%
175 MB/s -24%
Write
Peak Sequential Write Speed
249 MB/s Much faster peak write speed.
+52%
164 MB/s -52%
4K Read
Peak 4K Random Read Speed
7.3 MB/s Hugely faster peak random read.
+873%
0.75 MB/s -873%
4K Write
Peak 4K Random Write Speed
3.25 MB/s Much faster peak random write.
+73%
1.88 MB/s -73%
Mixed
Peak Sequential Mixed IO Speed
213 MB/s Much faster peak mixed IO speed.
+40%
152 MB/s -40%
4K Mixed
Peak 4K Random Mixed IO Speed
0.4 MB/s Much faster peak random mixed IO.
+54%
0.26 MB/s -54%
Market Share
Based on 3,461,541 HDDs tested.
Market Share
Market Share (trailing 30 days)
0 % -∞% 0.5 % Insanely higher market share.
+∞%
Value
Value For Money
75.3 % -9% 82.3 % Slightly better value.
+9%
User Rating
UBM User Rating
71 % Much more popular.
+31%
54 % -31%
Price
Price (score)
$260 -58% $108 Much cheaper.
+58%
Age
Newest
21 Months Much more recent.
+57%
49 Months -57%
Capacity
Capacity
6TB 4TB
ADVERTISEMENT

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

Hard Drive Rankings (Price vs Performance) March 2017 HDD Rankings.

Welcome to our consumer Hard Drive comparison. We calculate effective speed which measures performance for typical consumers. Effective speed is adjusted by cost per GB to yield value for money. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top HDDs. Share your opinion by voting. [HDrivePro]

How Fast Is Your HDD? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

UserBenchmark of the month

How it works

  • - Download and run UserBenchMark (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i7-7700K $310Nvidia GTX 1070 $370Samsung 850 Evo 250GB $94
AMD Ryzen 7 1700 $328AMD RX 480 $201Samsung 850 Pro 256GB $138
Intel Core i5-7600K $215Nvidia GTX 1060-6GB $235Samsung 850 Evo 500GB $169
HDDRAMUSB
Seagate Barracuda 1TB (2016) $50Corsair Vengeance LPX DDR4 3000 C15 2x8GB $113SanDisk Extreme 64GB $34
Seagate Barracuda 3TB (2016) $90G.SKILL Trident Z DDR4 3200 C14 4x16GB $430SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $50Corsair Vengeance LPX DDR4 3200 C16 2x8GB $125SanDisk Ultra Fit 32GB $9
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