WDWD4001FAEX
SeagateST250DM000
Real World Speed
Performance profile from 36,538 user samples
3,366 User Benchmarks
Best Bench: 93% 3.5TB free
Worst Bench: 49% 1.5TB free
Poor: 49% Great: 93%
SPEED RANK: 111th / 1015
33,172 User Benchmarks
Best Bench: 75% 156GB free
Worst Bench: 19% 25GB free (System drive)
Poor: 19% Great: 75%
SPEED RANK: 266th / 1015
Effective Speed
Effective HDD Speed
74.5 % Much faster effective speed.
+39%
53.4 %
Read
Avg. Sequential Read Speed
134 MB/s Much faster read speed.
+34%
100 MB/s
Write
Avg. Sequential Write Speed
125 MB/s Much faster write speed.
+32%
94.5 MB/s
4K Read
Avg. 4K Random Read Speed
0.79 MB/s Much faster random read.
+32%
0.6 MB/s
4K Write
Avg. 4K Random Write Speed
3.17 MB/s Hugely faster random write.
+169%
1.18 MB/s
Mixed
Avg. Sequential Mixed IO Speed
86.1 MB/s Much faster mixed IO speed.
+65%
52.2 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
0.98 MB/s Much faster random mixed IO.
+42%
0.69 MB/s
SusWrite
Avg. Sustained Write Speed
126 MB/s Much faster sustained write speed.
+46%
86.3 MB/s
Read
Peak Sequential Read Speed
168 MB/s Faster peak read speed.
+26%
133 MB/s
Write
Peak Sequential Write Speed
155 MB/s Faster peak write speed.
+21%
128 MB/s
4K Read
Peak 4K Random Read Speed
1 MB/s Much faster peak random read.
+43%
0.7 MB/s
4K Write
Peak 4K Random Write Speed
3.7 MB/s Hugely faster peak random write.
+131%
1.6 MB/s
Mixed
Peak Sequential Mixed IO Speed
106 MB/s Much faster peak mixed IO speed.
+60%
66.4 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
158 MB/s Faster peak sustained write speed.
+20%
132 MB/s
Market Share
Based on 40,663,610 HDDs tested.
Market Share
Market Share (trailing 30 days)
0.01 % 0.12 % Insanely higher market share.
+1,100%
Value
Value For Money
24.5 % Hugely better value.
+115%
11.4 %
User Rating
UBM User Rating
52 % +2% 51 %
Price
Price (score)
$243 $23 Hugely cheaper.
+90%
Age
Newest
106 Months 92+ Months More recent.
+13%
Capacity
Capacity
4TB 250GB
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I don't understand the pricing on this drive, on the face of it, it looks seriously overpriced. Although the Black has a marginal speed advantage compared to a 3TB Barracuda, one 4TB Caviar Black costs more than two 3TB Barracudas! I have only seen benchmarks from 3 user samples for the 4TB 2012 Black so I will re-visit this recap over the coming months by which time I should have a better sample size. Additional samples may indicate far better performance than I have seen so far. [Aug '13 HDrivePro]

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cheap old stuff [Nov '20 kuroiikaze]

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Hard Drive Rankings (Price vs Performance) September 2021 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.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 850 Evo 120GB $183
Intel Core i7-11700K $346Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $34Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $28Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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