WDWD3003FZEX
WDWD6001FZWX
Real World Speed
Performance profile from 11,715 user samples
8,877 User Benchmarks
Best Bench: 98% 3TB free
Worst Bench: 52% 1TB free
Poor: 52% Great: 98%
SPEED RANK: 81st / 1015
2,838 User Benchmarks
Best Bench: 122% 5.5TB free
Worst Bench: 71% 4.5TB free
Poor: 71% Great: 122%
SPEED RANK: 7th / 1015
Effective Speed
Effective HDD Speed
79.9 % 97.3 % Faster effective speed.
+22%
Read
Avg. Sequential Read Speed
143 MB/s 169 MB/s Faster read speed.
+18%
Write
Avg. Sequential Write Speed
133 MB/s 202 MB/s Much faster write speed.
+52%
4K Read
Avg. 4K Random Read Speed
0.85 MB/s 4.66 MB/s Hugely faster random read.
+448%
4K Write
Avg. 4K Random Write Speed
2.94 MB/s 3.17 MB/s Slightly faster random write.
+8%
Mixed
Avg. Sequential Mixed IO Speed
85.5 MB/s 103 MB/s Faster mixed IO speed.
+20%
4K Mixed
Avg. 4K Random Mixed IO Speed
0.98 MB/s 1.03 MB/s Slightly faster random mixed IO.
+5%
SusWrite
Avg. Sustained Write Speed
134 MB/s 169 MB/s Faster sustained write speed.
+26%
Read
Peak Sequential Read Speed
178 MB/s 214 MB/s Faster peak read speed.
+20%
Write
Peak Sequential Write Speed
166 MB/s 247 MB/s Much faster peak write speed.
+49%
4K Read
Peak 4K Random Read Speed
1.1 MB/s 7 MB/s Hugely faster peak random read.
+536%
4K Write
Peak 4K Random Write Speed
3.5 MB/s 3.5 MB/s
Mixed
Peak Sequential Mixed IO Speed
109 MB/s 126 MB/s Faster peak mixed IO speed.
+16%
4K Mixed
Peak 4K Random Mixed IO Speed
1.2 MB/s Slightly faster peak random mixed IO.
+9%
1.1 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
167 MB/s 216 MB/s Faster peak sustained write speed.
+29%
Market Share
Based on 19,233,835 HDDs tested.
Market Share
Market Share (trailing 30 days)
0.08 % Hugely higher market share.
+300%
0.02 %
Value
Value For Money
34.6 % 46.3 % Much better value.
+34%
User Rating
UBM User Rating
50 % 68 % Much more popular.
+36%
Price
Price (score)
$138 Much cheaper.
+45%
$252
Age
Newest
66+ Months 50 Months More recent.
+24%
Capacity
Capacity
3TB 6TB
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
Intel Core i5-9400F $143Nvidia GTX 1660 $220Samsung 850 Evo 250GB $86
AMD Ryzen 5 3600 $198Nvidia GTX 1660-Ti $269Samsung 850 Evo 500GB $102
Intel Core i5-9600K $219AMD RX 580 $167Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $42G.SKILL Trident Z DDR4 3200 C14 4x16GB $695SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Extreme 16GB $24
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