Real World Speed
Performance profile from 480 user samples
154 User Benchmarks:
Best Score: 111% 3TB free
Worst Score: 41% 2TB free
Worst: 41% Best: 111%
SPEED RANK: 95th / 844
326 User Benchmarks:
Best Score: 124% 2TB free
Worst Score: 44% 46GB free
Worst: 44% Best: 124%
SPEED RANK: 117th / 844
Avg. Sequential Read Speed
113 MB/s +3% 110 MB/s -3%
Avg. Sequential Write Speed
110 MB/s Slightly faster write speed.
104 MB/s -6%
4K Read?
Avg. 4K Random Read Speed
0.64 MB/s 0% 0.64 MB/s 0%
4K Write?
Avg. 4K Random Write Speed
2 MB/s +5% 1.91 MB/s -5%
Avg. Sequential Mixed IO Speed
99.2 MB/s Slightly faster mixed IO speed.
89.2 MB/s -11%
4K Mixed
Avg. 4K Random Mixed IO Speed
0.23 MB/s Slightly faster random mixed IO.
0.21 MB/s -10%
Peak Sequential Read Speed
153 MB/s +3% 149 MB/s -3%
Peak Sequential Write Speed
146 MB/s Slightly faster peak write speed.
138 MB/s -6%
4K Read?
Peak 4K Random Read Speed
0.88 MB/s -3% 0.91 MB/s +3%
4K Write?
Peak 4K Random Write Speed
2.63 MB/s +1% 2.6 MB/s -1%
Peak Sequential Mixed IO Speed
134 MB/s +3% 130 MB/s -3%
4K Mixed
Peak 4K Random Mixed IO Speed
0.29 MB/s +4% 0.28 MB/s -4%
Value For Money
70.1 % -10% 77.3 % Slightly better value.
User Rating?
UBM User Rating
63 % Slightly more popular.
56 % -12%
Price (score)
$121 -13% $105 Slightly cheaper.
Effective Speed?
Effective HDD Speed
113 MB/s +4% 108 MB/s -4%
27 Months Much more recent.
42 Months -36%

With peak sequential read/write speeds of 140 and averages of 120 MB/s the 3TB WD Red is around 25% slower than the group leaders. If the Red is used in a NAS (Network Attached Storage), that won't make much difference because the vast majority of home networks still operate at Fast Ethernet (~10 MB/s), even users with faster Gigabit (~100 MB/s) networks will be limited by their network bandwidth before the drive. I could assume that any of our drives are for use in a NAS but that of course doesn't excuse sub-par performance because they could equally be used in a desktop. It's true that the power consumption (4.4W) on the Red is lower than average (6W) but the performance hit isn't justified. Even assuming continuous usage, those extra couple of watts for something like the Seagate Baracuda 7200.14 amount to a few pounds a year at most. At £133 this dive is both overpriced and offers sub-optimal performance. [Feb '14 HDrivePro]


Compared to the Seagate Barracuda 7200.14 3TB there are no tangible upsides to this drive. The ONLY benefit seems to be a 2W power saving whilst the drive is active. [Nov '12 HDrivePro]


Hard Drive User Rankings Chart

October 2014 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. Vote to share your opinion. [HDrivePro]

Group Test Results

How Fast Is Your HDD?

Size up your PC in less than a minute.

Welcome to our free PC speed test tool. UserBenchMark will compare the strengths and weaknesses of each component in your PC to the ten most popular components in its class.

How it works

  • - Download and run UserBenchMark (UBM)
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - Drive benchmarks include: read, write and mixed IO.
  • - CPU benchmarks include: integer, floating and string.
  • - GPU benchmarks include: DX9 and DX10 3D performance.
  • - 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
  • - Share your opinion by voting

Frequently Asked Questions


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The Best.
SanDisk Extreme USB 3.0 16GBSamsung 840 Evo 250GBIntel Core i7-4790KSeagate Barracuda 7200.14 3TBAMD R9 270X
SanDisk Extreme USB 3.0 32GBSamsung 840 Pro 256GBIntel Core i5-4670KSeagate Barracuda 7200.14 2TBNvidia GTX 970
SanDisk Extreme USB 3.0 64GBSamsung 840 Evo 120GBAMD FX-8350WD Black 1TB (2013)AMD R9 280
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