WDWD6002FZWX
WDWD4004FZWX

Release date: Q4 2016.

Release date: Q2 2016.

Real World Speed
Performance profile from 8,272 user samples
2,661 User Benchmarks
Best Bench: 124% 5.5TB free
Worst Bench: 67% 4.5TB free
Poor: 67% Great: 124%
SPEED RANK: 6th / 1015
5,611 User Benchmarks
Best Bench: 113% 3.5TB free
Worst Bench: 68% 2.5TB free
Poor: 68% Great: 113%
SPEED RANK: 13th / 1015
Effective Speed
Effective HDD Speed
102 % Slightly faster effective speed.
+7%
94.6 %
Read
Avg. Sequential Read Speed
178 MB/s Slightly faster read speed.
+9%
164 MB/s
Write
Avg. Sequential Write Speed
181 MB/s Slightly faster write speed.
+6%
170 MB/s
4K Read
Avg. 4K Random Read Speed
1 MB/s +2% 0.98 MB/s
4K Write
Avg. 4K Random Write Speed
4.9 MB/s 4.95 MB/s +1%
Mixed
Avg. Sequential Mixed IO Speed
76.5 MB/s +4% 73.5 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
0.72 MB/s Slightly faster random mixed IO.
+6%
0.68 MB/s
SusWrite
Avg. Sustained Write Speed
175 MB/s Slightly faster sustained write speed.
+6%
165 MB/s
Read
Peak Sequential Read Speed
217 MB/s Slightly faster peak read speed.
+8%
200 MB/s
Write
Peak Sequential Write Speed
220 MB/s Slightly faster peak write speed.
+8%
204 MB/s
4K Read
Peak 4K Random Read Speed
1.1 MB/s 1.1 MB/s
4K Write
Peak 4K Random Write Speed
6.4 MB/s +3% 6.2 MB/s
Mixed
Peak Sequential Mixed IO Speed
88.9 MB/s Slightly faster peak mixed IO speed.
+6%
83.5 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
0.9 MB/s 0.9 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
215 MB/s Slightly faster peak sustained write speed.
+8%
200 MB/s
Market Share
Based on 18,313,792 HDDs tested.
Market Share
Market Share (trailing 30 days)
0.05 % 0.08 % Much higher market share.
+60%
Value
Value For Money
70.2 % Better value.
+29%
54.5 %
User Rating
UBM User Rating
55 % 60 % Slightly more popular.
+9%
Price
Price (score)
$249 $199 Cheaper.
+20%
Age
Newest
31 Months More recent.
+16%
37 Months
Capacity
Capacity
6TB 4TB
Hard Drive Rankings (Price vs Performance) July 2019 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]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
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.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - 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 current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i7-8700K $350Nvidia GTX 1070 $400Samsung 850 Evo 250GB $104
AMD Ryzen 5 2600 $127Nvidia GTX 1060-6GB $250Samsung 850 Evo 500GB $103
AMD Ryzen 7 2700X $220Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $68SanDisk Extreme 64GB $45
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $606SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk Ultra Fit 32GB $12
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