Average Bench: 98% (10th of 995)

Based on 2,061 user benchmarks.  Models: WDC WD4004FZWX-00GBGB0, WDC WD4004FZWX-00GBG, WDC WD40 04FZWX-00GBGB0, WDC WD4004FZWX-0

Excellent average bench

The WD Black 4TB (2016) averaged just 2.0% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the WD Black 4TB (2016) near the top of the comparison list.


Avg. 4K Random Write Speed 3.58MB/s
Avg. 4K Random Mixed IO Speed 0.49MB/s

Average consistency

The range of scores (95th - 5th percentile) for the WD Black 4TB (2016) is 40.5%. This is a relatively wide range which indicates that the WD Black 4TB (2016) performs inconsistently under varying real world conditions.


Avg. 4K Random Read Speed 0.87MB/s
Avg. Sequential Write Speed 166MB/s

Average Bench

(Based on 2,061 samples)
Min Avg Max
133 Read 175 203
118 Write 166 198
109 Mixed 158 190
125% 166 MB/s
Min Avg Max
0.52 4K Read 0.87 1.03
2.25 4K Write 3.58 4.61
0.3 4K Mixed 0.49 0.66
157% 1.65 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
3.5TB free
Firmware: 81.H0A81 Max speed: SATA 3.0 600 MB/s
Read 197
Write 186
Mixed 173
139% 185 MB/s
4K Read 0.94
4K Write 3.47
4K Mixed 0.48
157% 1.63 MB/s
3TB free
Firmware: 81.H0A81 Max speed: SATA 3.0 600 MB/s
Read 191
Write 186
Mixed 183
140% 187 MB/s
4K Read 0.94
4K Write 3.91
4K Mixed 0.52
169% 1.79 MB/s
3.5TB free
Firmware: 81.H0A81 Max speed: SATA 3.0 600 MB/s
Read 183
Write 175
Mixed 179
135% 179 MB/s
4K Read 1.03
4K Write 4.16
4K Mixed 0.29
152% 1.83 MB/s
2.5TB free
Firmware: 81.H0A81 Max speed: SATA 3.0 600 MB/s
Read 176
Write 172
Mixed 172
130% 173 MB/s
4K Read 0.98
4K Write 2.99
4K Mixed 0.63
166% 1.53 MB/s
2TB free
Firmware: 81.H0A81 Max speed: SATA 3.0 600 MB/s
Read 167
Write 150
Mixed 138
114% 152 MB/s
4K Read 0.75
4K Write 3.24
4K Mixed 0.57
155% 1.52 MB/s
2,061 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 8,300,895 HDDs tested.


Approx. $210 @ launch in Jun '16
EbayUS $1801 min
NeweggUS $1856 hrs
BHPhotoUS $1891 day
AmazonUS $21019 mins
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Typical Black 4TB (2016) Builds (Compare 10,454 builds) See popular component choices, score breakdowns and rankings.
Gaming 108%
Desktop 94%
Nuclear submarine
Workstation 73%

Motherboard: Asus STRIX Z270E GAMING - $200

EDIT WITH CUSTOM PC BUILDER Value: 94% - Outstanding Total price: $1,380

Popular Black 4TB (2016) compatible motherboards:

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.
Hard Drive Rankings (Price vs Performance) March 2018 HDD Rankings.

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]


Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Fastest effective speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance, price and capacity.


995 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different HDDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

The Best.
Intel Core i7-8700K $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $85
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $335Samsung 850 Evo 500GB $150
AMD Ryzen 5 1600 $188AMD RX 480 $400Samsung 850 Pro 256GB $163
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $190SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $23
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $216SanDisk Extreme 16GB $18
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