WDWD2500AAKS
SeagateST4000DM005

Release date ≤ Q4 2013.

Release date: Q3 2016.

Real World Speed
Performance profile from 12,585 user samples
4,450 User Benchmarks
Best Bench: 59% 233GB free
Worst Bench: 20% 152GB free (System drive)
Poor: 20% Great: 59%
SPEED RANK: 498th / 1010
8,135 User Benchmarks
Best Bench: 106% 2.5TB free
Worst Bench: 53% 594GB free
Poor: 53% Great: 106%
SPEED RANK: 54th / 1010
Effective Speed
Effective HDD Speed
41.5 % 85.2 % Hugely faster effective speed.
+105%
Read
Avg. Sequential Read Speed
75.5 MB/s 149 MB/s Hugely faster read speed.
+97%
Write
Avg. Sequential Write Speed
74.6 MB/s 129 MB/s Much faster write speed.
+73%
4K Read
Avg. 4K Random Read Speed
0.62 MB/s 0.67 MB/s Slightly faster random read.
+8%
4K Write
Avg. 4K Random Write Speed
1.98 MB/s Slightly faster random write.
+9%
1.81 MB/s
Mixed
Avg. Sequential Mixed IO Speed
51.9 MB/s 64.3 MB/s Faster mixed IO speed.
+24%
4K Mixed
Avg. 4K Random Mixed IO Speed
0.84 MB/s Slightly faster random mixed IO.
+14%
0.74 MB/s
SusWrite
Avg. Sustained Write Speed
68.6 MB/s 148 MB/s Hugely faster sustained write speed.
+116%
Read
Peak Sequential Read Speed
108 MB/s 187 MB/s Much faster peak read speed.
+73%
Write
Peak Sequential Write Speed
107 MB/s 170 MB/s Much faster peak write speed.
+59%
4K Read
Peak 4K Random Read Speed
0.8 MB/s 0.8 MB/s
4K Write
Peak 4K Random Write Speed
2.6 MB/s Slightly faster peak random write.
+13%
2.3 MB/s
Mixed
Peak Sequential Mixed IO Speed
67.6 MB/s 77 MB/s Slightly faster peak mixed IO speed.
+14%
4K Mixed
Peak 4K Random Mixed IO Speed
1 MB/s Slightly faster peak random mixed IO.
+11%
0.9 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
101 MB/s 188 MB/s Hugely faster peak sustained write speed.
+86%
Market Share
Based on 11,864,087 HDDs tested.
Market Share
Market Share (trailing 30 days)
0.04 % 0.16 % Hugely higher market share.
+300%
Value
Value For Money
4.86 % 97.8 % Insanely better value.
+1,912%
User Rating
UBM User Rating
50 % 72 % Much more popular.
+44%
Price
Price (score)
$61 Much cheaper.
+39%
$100
Age
Newest
58+ Months 25 Months Much more recent.
+57%
Capacity
Capacity
250GB 4TB
Hard Drive Rankings (Price vs Performance) October 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 $350Samsung 850 Evo 250GB $100
AMD Ryzen 5 1600 $155Nvidia GTX 1060-6GB $249Samsung 850 Evo 500GB $110
Intel Core i7-7700K $355AMD RX 480 $280Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $140SanDisk Extreme 64GB $42
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $869SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $160SanDisk Ultra Fit 32GB $12
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