WDWD20EZRZ
SeagateST4000DM005

Release date: Q3 2015.

Release date: Q3 2016.

Real World Speed
Performance profile from 90,639 user samples
79,316 User Benchmarks
Best Bench: 86% 1.5TB free
Worst Bench: 44% 2.5TB free (System drive)
Poor: 44% Great: 86%
SPEED RANK: 136th / 1015
11,323 User Benchmarks
Best Bench: 105% 3TB free
Worst Bench: 53% 3.5TB free
Poor: 53% Great: 105%
SPEED RANK: 55th / 1015
Effective Speed
Effective HDD Speed
68.8 % 85 % Faster effective speed.
+24%
Read
Avg. Sequential Read Speed
124 MB/s 148 MB/s Faster read speed.
+19%
Write
Avg. Sequential Write Speed
116 MB/s 127 MB/s Slightly faster write speed.
+9%
4K Read
Avg. 4K Random Read Speed
0.83 MB/s Faster random read.
+26%
0.66 MB/s
4K Write
Avg. 4K Random Write Speed
2.26 MB/s Faster random write.
+23%
1.83 MB/s
Mixed
Avg. Sequential Mixed IO Speed
76.3 MB/s Faster mixed IO speed.
+18%
64.7 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
0.92 MB/s Faster random mixed IO.
+24%
0.74 MB/s
SusWrite
Avg. Sustained Write Speed
115 MB/s 149 MB/s Faster sustained write speed.
+30%
Read
Peak Sequential Read Speed
157 MB/s 188 MB/s Faster peak read speed.
+20%
Write
Peak Sequential Write Speed
145 MB/s 168 MB/s Faster peak write speed.
+16%
4K Read
Peak 4K Random Read Speed
1 MB/s Faster peak random read.
+25%
0.8 MB/s
4K Write
Peak 4K Random Write Speed
2.62 MB/s Slightly faster peak random write.
+14%
2.3 MB/s
Mixed
Peak Sequential Mixed IO Speed
93.5 MB/s Faster peak mixed IO speed.
+20%
77.7 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
1 MB/s Slightly faster peak random mixed IO.
+11%
0.9 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
147 MB/s 190 MB/s Faster peak sustained write speed.
+29%
Market Share
Based on 17,644,966 HDDs tested.
Market Share
Market Share (trailing 30 days)
1.06 % Hugely higher market share.
+524%
0.17 %
Value
Value For Money
74.6 % 110 % Much better value.
+47%
User Rating
UBM User Rating
60 % 71 % More popular.
+18%
Price
Price (score)
$53 Much cheaper.
+40%
$89
Age
Newest
46 Months 33 Months More recent.
+28%
Capacity
Capacity
2TB 4TB
Hard Drive Rankings (Price vs Performance) June 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 $355Nvidia GTX 1070 $335Samsung 850 Evo 250GB $85
AMD Ryzen 5 2600 $139Nvidia GTX 1060-6GB $213Samsung 850 Evo 500GB $100
AMD Ryzen 7 2700X $280Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $80SanDisk Extreme 64GB $128
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $646SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $85SanDisk Ultra Fit 32GB $12
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