Average Bench: 102% (4th of 984)

Based on 134 user benchmarks.  Models: WDC WD6002FFWX-68TZ4N0, WDC WD6002FFWX-6, WDC WD60 02FFWX-68TZ4N0, WDC WD6002FFWX-68TZ4

Outstanding average bench

The WD Red Pro 6TB (2015) averaged 2.4% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the WD Red Pro 6TB (2015) near the top of the comparison list.


Avg. 4K Random Write Speed 3.68MB/s
Avg. 4K Random Mixed IO Speed 0.51MB/s

Average consistency

The range of scores (95th - 5th percentile) for the WD Red Pro 6TB (2015) is 47.9%. This is a relatively wide range which indicates that the WD Red Pro 6TB (2015) performs inconsistently under varying real world conditions.


Avg. 4K Random Read Speed 0.88MB/s
Avg. Sequential Write Speed 175MB/s

Average Bench

(Based on 134 samples)
Min Avg Max
126 Read 182 213
117 Write 175 208
112 Mixed 163 194
130% 173 MB/s
Min Avg Max
0.54 4K Read 0.88 1.05
2.27 4K Write 3.68 4.88
0.33 4K Mixed 0.51 0.68
161% 1.69 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
5.5TB free
Firmware: 0004
Read 189
Write 177
Mixed 178
136% 181 MB/s
4K Read 0.91
4K Write 3.47
4K Mixed 0.57
165% 1.65 MB/s
3.5TB free
Firmware: 83.H0A83 Max speed: SATA 3.0 600 MB/s
Read 186
Write 179
Mixed 165
133% 177 MB/s
4K Read 1
4K Write 3.16
4K Mixed 0.65
173% 1.6 MB/s
1.5TB free
Firmware: 83.H0A83 Max speed: SATA 3.0 600 MB/s
Read 160
Write 147
Mixed 166
119% 158 MB/s
4K Read 0.71
4K Write 4.33
4K Mixed 0.4
154% 1.81 MB/s
134 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 7,255,291 HDDs tested.


EbayUS $2005 mins
AmazonUS $23026 mins
BHPhotoUS $2307 hrs
NeweggUS $2304 days
Send price feedback
Typical Red Pro 6TB (2015) Builds (Compare 702 builds) See popular component choices, score breakdowns and rankings.
Gaming 106%
Desktop 88%
Aircraft carrier
Workstation 69%
Battle cruiser

Motherboard: Gigabyte GA-Z170X-UD5-CF

EDIT WITH CUSTOM PC BUILDER Value: 87% - Excellent Total price: $1,208

Popular Red Pro 6TB (2015) 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) January 2018 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]


984 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 i7-7700K $280Nvidia GTX 1070 $430Samsung 850 Evo 250GB $90
AMD Ryzen 7 1700 $290Nvidia GTX 1060-6GB $275Samsung 850 Evo 500GB $140
Intel Core i5-7600K $210AMD RX 480 $400Samsung 850 Pro 256GB $110
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $205SanDisk Extreme 64GB $50
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $53Corsair Vengeance LPX DDR4 3200 C16 2x8GB $220SanDisk Ultra Fit 32GB $12
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