Real World Speed
Performance profile from 953 user samples
248 User Benchmarks
Best Bench: 99% 52GB free
Worst Bench: 60% 23GB free
Poor: 60% Great: 99%
SPEED RANK: 54th / 979
705 User Benchmarks
Best Bench: 91% 2TB free
Worst Bench: 55% 1.5TB free
Poor: 55% Great: 91%
SPEED RANK: 94th / 979
Effective Speed
Effective HDD Speed
83.8 % Slightly faster effective speed.
75 % -12%
Avg. Sequential Read Speed
149 MB/s Slightly faster read speed.
135 MB/s -10%
Avg. Sequential Write Speed
143 MB/s Slightly faster write speed.
126 MB/s -13%
4K Read
Avg. 4K Random Read Speed
0.77 MB/s Faster random read.
0.66 MB/s -17%
4K Write
Avg. 4K Random Write Speed
2.62 MB/s -7% 2.81 MB/s Slightly faster random write.
Avg. Sequential Mixed IO Speed
135 MB/s Slightly faster mixed IO speed.
121 MB/s -12%
4K Mixed
Avg. 4K Random Mixed IO Speed
0.27 MB/s -67% 0.45 MB/s Much faster random mixed IO.
Peak Sequential Read Speed
189 MB/s Slightly faster peak read speed.
173 MB/s -9%
Peak Sequential Write Speed
169 MB/s Slightly faster peak write speed.
152 MB/s -11%
4K Read
Peak 4K Random Read Speed
1.01 MB/s Slightly faster peak random read.
0.91 MB/s -11%
4K Write
Peak 4K Random Write Speed
3.34 MB/s -1% 3.36 MB/s +1%
Peak Sequential Mixed IO Speed
160 MB/s Slightly faster peak mixed IO speed.
148 MB/s -8%
4K Mixed
Peak 4K Random Mixed IO Speed
0.35 MB/s -83% 0.64 MB/s Hugely faster peak random mixed IO.
Market Share
Based on 4,352,456 HDDs tested.
Market Share
Market Share (trailing 30 days)
0.03 % -33% 0.04 % Much higher market share.
Value For Money
44.8 % -4% 46.5 % +4%
User Rating
UBM User Rating
54 % -2% 55 % +2%
Price (score)
$215 -14% $185 Slightly cheaper.
49 Months Slightly more recent.
55 Months -11%

The WD Se is an enterprise class drive designed for use in a NAS or data warehouse. Unlike the Enterprise Xe, which focuses on maximum data throughput, the focus of the Se is on balanced performance, power consumption and reliability. We only have one sample for this drive at present so for now we can't draw any robust conclusions. Based on the data we do have, in terms of value for money the WD Se lands in the middle of the (scarce) 4TB pack, besting the (2012) 4TB black by just 3.4%. From a performance perspective, with both peak and average read/writes coming in at 137/136 MB/s it's hard to tell at this point because we don't know whether to take those figures as peak or average. As averages they are very strong and as peak figures they are relatively weak. We will update this summary when we have more data. In the mean time the Seagate Desktop HDD1.5 remains our 4TB pick. [Jan '14 HDrivePro]


I don't understand the pricing on this drive, on the face of it, it looks seriously overpriced. Although the Black has a marginal speed advantage compared to a 3TB Barracuda, one 4TB Caviar Black costs more than two 3TB Barracudas! I have only seen benchmarks from 3 user samples for the 4TB 2012 Black so I will re-visit this recap over the coming months by which time I should have a better sample size. Additional samples may indicate far better performance than I have seen so far. [Aug '13 HDrivePro]


Hard Drive Rankings (Price vs Performance) June 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
  • - 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.
Intel Core i7-7700K $309Nvidia GTX 1070 $390Samsung 850 Evo 250GB $100
AMD Ryzen 7 1700 $297AMD RX 480 $608Samsung 850 Pro 256GB $125
Intel Core i5-7600K $233Nvidia GTX 1060-6GB $243Samsung 850 Evo 500GB $169
Seagate Barracuda 1TB (2016) $50Corsair Vengeance LPX DDR4 3000 C15 2x8GB $127SanDisk Extreme 64GB $45
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $696SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $46HyperX Fury DDR4 2133 C14 2x8GB $144SanDisk Ultra Fit 32GB $13
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