Average Bench: 81.7% (75th of 1002)

more Based on 5,851 user benchmarks.  Models: WDC WD4003FZEX-00Z4SA0, WDC WD40 03FZEX-32Z4SA0, WDC WD4003FZEX-0, WDC WD40 03FZEX-00Z4SA0, WD4003FZEX-00Z4SA0, WDC WD40 03FZEX-00Z4S, WDC WD4003FZEX-32Z4SA0, WDC WD4003FZEX-00Z4S, WD4003FZ EX

Very good average bench

The WD Black 4TB (2013) averaged just 18.3% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the WD Black 4TB (2013) near the top of the comparison list.


Avg. 4K Random Write Speed 2.73MB/s
Avg. Sequential Mixed IO Speed 133MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the WD Black 4TB (2013) is 38.3%. This is a relatively wide range which indicates that the WD Black 4TB (2013) performs inconsistently under varying real world conditions.


Avg. 4K Random Mixed IO Speed 0.26MB/s
Avg. 4K Random Read Speed 0.72MB/s

Average Bench

(Based on 5,851 samples)
Min Avg Max
105 Read 147 183
98 Write 137 164
95.3 Mixed 133 160
105% 139 MB/s
Min Avg Max
0.43 4K Read 0.72 0.98
2.2 4K Write 2.73 3.22
0.2 4K Mixed 0.26 0.35
110% 1.24 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
3.5TB free
Firmware: 01.01A01 Max speed: SATA 3.0 600 MB/s
Read 160
Write 160
Mixed 159
120% 160 MB/s
4K Read 0.86
4K Write 2.9
4K Mixed 0.28
120% 1.34 MB/s
1.5TB free
Firmware: 01.01A01 Max speed: SATA 3.0 600 MB/s
Read 147
Write 141
Mixed 136
106% 141 MB/s
4K Read 0.81
4K Write 2.78
4K Mixed 0.36
125% 1.31 MB/s
751GB free
Firmware: 01.01A01 Max speed: SATA 3.0 600 MB/s
Read 142
Write 122
Mixed 112
94% 126 MB/s
4K Read 0.56
4K Write 2.78
4K Mixed 0.23
101% 1.19 MB/s
203GB free
Firmware: 01.01A01 Max speed: SATA 3.0 600 MB/s
Read 101
Write 125
Mixed 135
91% 120 MB/s
4K Read 0.64
4K Write 2.69
4K Mixed 0.26
106% 1.2 MB/s
5,851 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 8,823,623 HDDs tested.


EbayUS $22533 mins
AmazonUS $2268 mins
Send price feedback
Typical Black 4TB (2013) Builds (Compare 3,342 builds) See popular component choices, score breakdowns and rankings.
Gaming 111%
Desktop 107%
Workstation 94%
Nuclear submarine

Motherboard: Asus RAMPAGE V EXTREME - $254

EDIT WITH CUSTOM PC BUILDER Value: 85% - Excellent Total price: $1,989

Popular Black 4TB (2013) 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) April 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.


1002 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 $90
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $290Samsung 850 Evo 500GB $137
AMD Ryzen 5 1600 $176AMD RX 480 $350Samsung 850 Pro 256GB $163
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $183SanDisk Extreme 64GB $70
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $957SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $193SanDisk Extreme 16GB $18
Today's hottest deals
User Guide  •  About  •  FAQs  •  Email  •  Privacy  •  Developer Feedback