WDWD40EZRZ
WDWD2003FZEX

Release date: Q3 2015.

Release date: Q4 2013.

Real World Speed
Performance profile from 45,468 user samples
11,047 User Benchmarks
Best Bench: 101% 3.5TB free
Worst Bench: 50% 2TB free
Poor: 50% Great: 101%
SPEED RANK: 82nd / 1010
34,421 User Benchmarks
Best Bench: 111% 1.5TB free (System drive)
Worst Bench: 58% 496GB free
Poor: 58% Great: 111%
SPEED RANK: 52nd / 1010
Effective Speed
Effective HDD Speed
80.7 % 86 % Slightly faster effective speed.
+7%
Read
Avg. Sequential Read Speed
144 MB/s 152 MB/s Slightly faster read speed.
+6%
Write
Avg. Sequential Write Speed
135 MB/s 155 MB/s Slightly faster write speed.
+15%
4K Read
Avg. 4K Random Read Speed
0.91 MB/s 0.91 MB/s
4K Write
Avg. 4K Random Write Speed
2.5 MB/s 2.97 MB/s Faster random write.
+19%
Mixed
Avg. Sequential Mixed IO Speed
84.9 MB/s +0% 84.5 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
0.97 MB/s 0.98 MB/s +1%
SusWrite
Avg. Sustained Write Speed
137 MB/s 147 MB/s Slightly faster sustained write speed.
+7%
Read
Peak Sequential Read Speed
180 MB/s 193 MB/s Slightly faster peak read speed.
+7%
Write
Peak Sequential Write Speed
168 MB/s 202 MB/s Faster peak write speed.
+20%
4K Read
Peak 4K Random Read Speed
1.1 MB/s 1.1 MB/s
4K Write
Peak 4K Random Write Speed
3 MB/s 3.4 MB/s Slightly faster peak random write.
+13%
Mixed
Peak Sequential Mixed IO Speed
108 MB/s +4% 104 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
1.1 MB/s 1.1 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
173 MB/s 195 MB/s Slightly faster peak sustained write speed.
+13%
Market Share
Based on 11,292,318 HDDs tested.
Market Share
Market Share (trailing 30 days)
0.3 % 0.53 % Much higher market share.
+77%
Value
Value For Money
105 % Hugely better value.
+141%
43.7 %
User Rating
UBM User Rating
57 % 71 % More popular.
+25%
Price
Price (score)
$88 Cheaper.
+22%
$113
Age
Newest
37 Months Much more recent.
+37%
59 Months
Capacity
Capacity
4TB 2TB
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This is the current version (2013) of Western Digital's best performing, Black, consumer storage drive. A comparison between the 2013 and 2010 versions shows that core real world performance has improved by around 15%. The 38 month old 2010 FAEX Black is also slightly more expensive at the moment, probably because retailers are slowly running out of stock. With average sequential read/write speeds of 150 MB/s and read/write 4k speeds of 0.8/2.9 MB/s the 2013 2TB WD Black has a solid performance profile but it's slightly overpriced. There is better value available amongst other drives in the group test[Jan '14 HDrivePro]

MORE DETAILS

Hard Drive Rankings (Price vs Performance) September 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 $370Nvidia GTX 1070 $344Samsung 850 Evo 250GB $85
AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $260Samsung 850 Evo 500GB $114
Intel Core i5-8600K $260AMD RX 480 $280Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3000 C15 2x8GB $150SanDisk Extreme 64GB $80
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $898SanDisk Extreme 32GB $30
WD Blue 1TB (2012) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $167SanDisk Ultra Fit 32GB $11
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