SeagateST4000DX001 STCL4000400
WDWD6001FZWX
Real World Speed
Performance profile from 9,026 user samples
7,124 User Benchmarks
Best Bench: 95% 3.5TB free
Worst Bench: 45% 691GB free
Poor: 45% Great: 95%
SPEED RANK: 114th / 1010
1,902 User Benchmarks
Best Bench: 125% 5TB free
Worst Bench: 66% 197GB free
Poor: 66% Great: 125%
SPEED RANK: 8th / 1010
Effective Speed
Effective HDD Speed
73.6 % 97.9 % Much faster effective speed.
+33%
Read
Avg. Sequential Read Speed
119 MB/s 165 MB/s Much faster read speed.
+39%
Write
Avg. Sequential Write Speed
118 MB/s 202 MB/s Much faster write speed.
+71%
4K Read
Avg. 4K Random Read Speed
1.1 MB/s 4.43 MB/s Hugely faster random read.
+303%
4K Write
Avg. 4K Random Write Speed
4.87 MB/s Much faster random write.
+61%
3.02 MB/s
Mixed
Avg. Sequential Mixed IO Speed
42.6 MB/s 111 MB/s Hugely faster mixed IO speed.
+161%
4K Mixed
Avg. 4K Random Mixed IO Speed
1.85 MB/s Hugely faster random mixed IO.
+106%
0.9 MB/s
SusWrite
Avg. Sustained Write Speed
136 MB/s 168 MB/s Faster sustained write speed.
+24%
Read
Peak Sequential Read Speed
167 MB/s 215 MB/s Faster peak read speed.
+29%
Write
Peak Sequential Write Speed
169 MB/s 248 MB/s Much faster peak write speed.
+47%
4K Read
Peak 4K Random Read Speed
1.4 MB/s 7.22 MB/s Hugely faster peak random read.
+416%
4K Write
Peak 4K Random Write Speed
5.4 MB/s Much faster peak random write.
+54%
3.5 MB/s
Mixed
Peak Sequential Mixed IO Speed
70.5 MB/s 186 MB/s Hugely faster peak mixed IO speed.
+164%
4K Mixed
Peak 4K Random Mixed IO Speed
2.35 MB/s Hugely faster peak random mixed IO.
+114%
1.1 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
173 MB/s 216 MB/s Faster peak sustained write speed.
+25%
Market Share
Based on 12,419,578 HDDs tested.
Market Share
Market Share (trailing 30 days)
0.08 % Much higher market share.
+33%
0.06 %
Value
Value For Money
42.2 % Better value.
+19%
35.5 %
User Rating
UBM User Rating
60 % 68 % Slightly more popular.
+13%
Price
Price (score)
$200 Much cheaper.
+58%
$474
Age
Newest
63 Months 41 Months Much more recent.
+35%
Capacity
Capacity
4TB 6TB
Hard Drive Rankings (Price vs Performance) November 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 $359Nvidia GTX 1070 $330Samsung 850 Evo 250GB $85
AMD Ryzen 5 1600 $130Nvidia GTX 1060-6GB $243Samsung 850 Evo 500GB $87
Intel Core i5-8600K $237AMD RX 480 $280Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $130SanDisk Extreme 64GB $43
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $869SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $130SanDisk Ultra Fit 32GB $12
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