WDWD6001FZWX
WDWD4003FZEX
Real World Speed
Performance profile from 12,938 user samples
2,871 User Benchmarks
Best Bench: 122% 5.5TB free
Worst Bench: 71% 4.5TB free
Poor: 71% Great: 122%
SPEED RANK: 8th / 1015
10,067 User Benchmarks
Best Bench: 98% 3.5TB free
Worst Bench: 55% 89GB free
Poor: 55% Great: 98%
SPEED RANK: 89th / 1015
Effective Speed
Effective HDD Speed
97.4 % Faster effective speed.
+24%
78.8 %
Read
Avg. Sequential Read Speed
168 MB/s Faster read speed.
+18%
142 MB/s
Write
Avg. Sequential Write Speed
202 MB/s Much faster write speed.
+52%
133 MB/s
4K Read
Avg. 4K Random Read Speed
4.66 MB/s Hugely faster random read.
+448%
0.85 MB/s
4K Write
Avg. 4K Random Write Speed
3.16 MB/s Slightly faster random write.
+7%
2.94 MB/s
Mixed
Avg. Sequential Mixed IO Speed
103 MB/s Faster mixed IO speed.
+21%
85.1 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
1.03 MB/s +4% 0.99 MB/s
SusWrite
Avg. Sustained Write Speed
169 MB/s Faster sustained write speed.
+28%
132 MB/s
Read
Peak Sequential Read Speed
214 MB/s Faster peak read speed.
+19%
180 MB/s
Write
Peak Sequential Write Speed
246 MB/s Much faster peak write speed.
+51%
163 MB/s
4K Read
Peak 4K Random Read Speed
7 MB/s Hugely faster peak random read.
+536%
1.1 MB/s
4K Write
Peak 4K Random Write Speed
3.5 MB/s 3.6 MB/s +3%
Mixed
Peak Sequential Mixed IO Speed
126 MB/s Faster peak mixed IO speed.
+16%
109 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
1.1 MB/s 1.2 MB/s Slightly faster peak random mixed IO.
+9%
SusWrite
Peak Sequential Sustained Write 60s Average
217 MB/s Much faster peak sustained write speed.
+32%
165 MB/s
Market Share
Based on 19,106,780 HDDs tested.
Market Share
Market Share (trailing 30 days)
0.03 % 0.05 % Much higher market share.
+67%
Value
Value For Money
41.7 % 51.9 % Better value.
+24%
User Rating
UBM User Rating
68 % Much more popular.
+33%
51 %
Price
Price (score)
$280 $121 Much cheaper.
+57%
Age
Newest
50 Months More recent.
+24%
66+ Months
Capacity
Capacity
6TB 4TB
Hard Drive Rankings (Price vs Performance) August 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
AMD Ryzen 5 3600 $198Nvidia GTX 1070 $400Samsung 850 Evo 250GB $104
Intel Core i5-9600K $230Nvidia GTX 1060-6GB $270Samsung 850 Evo 500GB $103
AMD Ryzen 7 2700X $233Nvidia GTX 1080-Ti $750Samsung 850 Pro 256GB $195
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $78SanDisk Extreme 64GB $128
WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $695SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3200 C16 2x8GB $82SanDisk Extreme 16GB $24
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