WDWD30EZRZ
SeagateST4000DM005

Release date: Q3 2015.

Release date: Q3 2016.

Real World Speed
Performance profile from 20,069 user samples
12,692 User Benchmarks
Best Bench: 97% 3TB free
Worst Bench: 44% 1.5TB free
Poor: 44% Great: 97%
SPEED RANK: 121st / 1010
7,377 User Benchmarks
Best Bench: 106% 3.5TB free
Worst Bench: 53% 338GB free (System drive)
Poor: 53% Great: 106%
SPEED RANK: 58th / 1010
Effective Speed
Effective HDD Speed
72.7 % 85.6 % Faster effective speed.
+18%
Read
Avg. Sequential Read Speed
130 MB/s 149 MB/s Slightly faster read speed.
+15%
Write
Avg. Sequential Write Speed
121 MB/s 130 MB/s Slightly faster write speed.
+7%
4K Read
Avg. 4K Random Read Speed
0.87 MB/s Much faster random read.
+32%
0.66 MB/s
4K Write
Avg. 4K Random Write Speed
2.3 MB/s Faster random write.
+26%
1.82 MB/s
Mixed
Avg. Sequential Mixed IO Speed
77.7 MB/s Faster mixed IO speed.
+20%
64.6 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
123 MB/s 149 MB/s Faster sustained write speed.
+21%
Read
Peak Sequential Read Speed
173 MB/s 188 MB/s Slightly faster peak read speed.
+9%
Write
Peak Sequential Write Speed
162 MB/s 173 MB/s Slightly faster peak write speed.
+7%
4K Read
Peak 4K Random Read Speed
1.1 MB/s Much faster peak random read.
+38%
0.8 MB/s
4K Write
Peak 4K Random Write Speed
2.9 MB/s Much faster peak random write.
+32%
2.2 MB/s
Mixed
Peak Sequential Mixed IO Speed
105 MB/s Much faster peak mixed IO speed.
+35%
77.5 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
1.1 MB/s Faster peak random mixed IO.
+22%
0.9 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
169 MB/s 187 MB/s Slightly faster peak sustained write speed.
+11%
Market Share
Based on 10,567,331 HDDs tested.
Market Share
Market Share (trailing 30 days)
0.19 % Higher market share.
+27%
0.15 %
Value
Value For Money
69.6 % 101 % Much better value.
+46%
User Rating
UBM User Rating
57 % 72 % More popular.
+26%
Price
Price (score)
$90 Slightly cheaper.
+7%
$97
Age
Newest
36 Months 23 Months Much more recent.
+36%
Capacity
Capacity
3TB 4TB
Hard Drive Rankings (Price vs Performance) August 2018 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 $330Nvidia GTX 1070 $380Samsung 850 Evo 250GB $95
AMD Ryzen 5 1600 $145Nvidia GTX 1060-6GB $240Samsung 850 Evo 500GB $120
Intel Core i5-8600K $240AMD RX 480 $280Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $172SanDisk Extreme 64GB $80
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $901SanDisk Extreme 32GB $30
WD Blue 1TB (2012) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $191SanDisk Ultra Fit 32GB $12
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