WDWD40EZRZ
Seagate

Release date: Q3 2015.

VS
About
  

Release date ≈ Q1 2016.

Real World Speed
Performance profile from 33,488 user samples
32,083 User Benchmarks
Best Bench: 103% 3.5TB free
Worst Bench: 50% 1.5TB free
Poor: 50% Great: 103%
SPEED RANK: 66th / 1015
1,405 User Benchmarks
Best Bench: 68% 3.5TB free
Worst Bench: 15% 497GB free
Poor: 15% Great: 68%
SPEED RANK: 414th / 1015
Effective Speed
Effective HDD Speed
82.7 % Hugely faster effective speed.
+85%
44.8 %
Read
Avg. Sequential Read Speed
148 MB/s Hugely faster read speed.
+111%
70.2 MB/s
Write
Avg. Sequential Write Speed
137 MB/s Much faster write speed.
+73%
79 MB/s
4K Read
Avg. 4K Random Read Speed
0.91 MB/s 1.03 MB/s Slightly faster random read.
+13%
4K Write
Avg. 4K Random Write Speed
2.57 MB/s 3.65 MB/s Much faster random write.
+42%
Mixed
Avg. Sequential Mixed IO Speed
87.5 MB/s Much faster mixed IO speed.
+48%
59.2 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
0.99 MB/s Hugely faster random mixed IO.
+83%
0.54 MB/s
SusWrite
Avg. Sustained Write Speed
140 MB/s Much faster sustained write speed.
+65%
84.9 MB/s
Read
Peak Sequential Read Speed
185 MB/s Much faster peak read speed.
+73%
107 MB/s
Write
Peak Sequential Write Speed
171 MB/s Much faster peak write speed.
+37%
125 MB/s
4K Read
Peak 4K Random Read Speed
1.1 MB/s 2.21 MB/s Hugely faster peak random read.
+101%
4K Write
Peak 4K Random Write Speed
3 MB/s 4.9 MB/s Much faster peak random write.
+63%
Mixed
Peak Sequential Mixed IO Speed
109 MB/s Faster peak mixed IO speed.
+28%
84.9 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
1.1 MB/s Much faster peak random mixed IO.
+38%
0.8 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
176 MB/s Much faster peak sustained write speed.
+34%
131 MB/s
Market Share
Based on 19,896,468 HDDs tested.
Market Share
Market Share (trailing 30 days)
0.53 % Insanely higher market share.
+2,550%
0.02 %
User Rating
UBM User Rating
57 % Slightly more popular.
+14%
50 %
Age
Newest
49 Months 41+ Months More recent.
+16%
Capacity
Capacity
4TB 4TB
Hard Drive Rankings (Price vs Performance) September 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 $140Nvidia GTX 1660 $220Samsung 850 Evo 250GB $70
Intel Core i5-9600K $225Nvidia GTX 1660-Ti $278Samsung 850 Evo 500GB $105
AMD Ryzen 5 3600 $195Nvidia RTX 2060S (Super) $429Samsung 850 Pro 256GB $230
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3000 C15 2x8GB $70SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $37G.SKILL Trident Z DDR4 3200 C14 4x16GB $606SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $64Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 16GB $24
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