SeagateST4000DX001 STCL4000400
WDWD6001FZWX
Real World Speed
Performance profile from 13,385 user samples
10,765 User Benchmarks
Best Bench: 95% 5.5TB free
Worst Bench: 44% 2.5TB free
Poor: 44% Great: 95%
SPEED RANK: 125th / 1015
2,620 User Benchmarks
Best Bench: 122% 5.5TB free
Worst Bench: 68% 4.5TB free
Poor: 68% Great: 122%
SPEED RANK: 9th / 1015
Effective Speed
Effective HDD Speed
72 % 97.7 % Much faster effective speed.
+36%
Read
Avg. Sequential Read Speed
114 MB/s 167 MB/s Much faster read speed.
+46%
Write
Avg. Sequential Write Speed
111 MB/s 203 MB/s Hugely faster write speed.
+83%
4K Read
Avg. 4K Random Read Speed
1.11 MB/s 4.61 MB/s Hugely faster random read.
+315%
4K Write
Avg. 4K Random Write Speed
4.88 MB/s Much faster random write.
+54%
3.17 MB/s
Mixed
Avg. Sequential Mixed IO Speed
41.6 MB/s 103 MB/s Hugely faster mixed IO speed.
+148%
4K Mixed
Avg. 4K Random Mixed IO Speed
1.86 MB/s Hugely faster random mixed IO.
+82%
1.02 MB/s
SusWrite
Avg. Sustained Write Speed
136 MB/s 172 MB/s Faster sustained write speed.
+26%
Read
Peak Sequential Read Speed
166 MB/s 211 MB/s Faster peak read speed.
+27%
Write
Peak Sequential Write Speed
163 MB/s 246 MB/s Much faster peak write speed.
+51%
4K Read
Peak 4K Random Read Speed
1.4 MB/s 6.9 MB/s Hugely faster peak random read.
+393%
4K Write
Peak 4K Random Write Speed
5.47 MB/s Much faster peak random write.
+56%
3.5 MB/s
Mixed
Peak Sequential Mixed IO Speed
68.4 MB/s 125 MB/s Hugely faster peak mixed IO speed.
+83%
4K Mixed
Peak 4K Random Mixed IO Speed
2.4 MB/s Hugely faster peak random mixed IO.
+118%
1.1 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
175 MB/s 217 MB/s Faster peak sustained write speed.
+24%
Market Share
Based on 18,460,847 HDDs tested.
Market Share
Market Share (trailing 30 days)
0.07 % Hugely higher market share.
+250%
0.02 %
Value
Value For Money
41.3 % 56.1 % Much better value.
+36%
User Rating
UBM User Rating
60 % 68 % Slightly more popular.
+13%
Price
Price (score)
$200 Much cheaper.
+33%
$300
Age
Newest
71 Months 49 Months Much more recent.
+31%
Capacity
Capacity
4TB 6TB
Hard Drive Rankings (Price vs Performance) July 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 i7-8700K $350Nvidia GTX 1070 $400Samsung 850 Evo 250GB $104
AMD Ryzen 5 2600 $127Nvidia GTX 1060-6GB $250Samsung 850 Evo 500GB $103
AMD Ryzen 7 2700X $252Nvidia GTX 1080-Ti $750Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $70SanDisk Extreme 64GB $128
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $728SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk Ultra Fit 32GB $12
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