Real World Speed
Performance profile from 85,731 user samples
48,484 User Benchmarks
Best Bench: 109% 2TB free
Worst Bench: 76% 1.5TB free
Poor: 76% Great: 109%
SPEED RANK: 13th / 1002
37,247 User Benchmarks
Best Bench: 57% 693GB free
Worst Bench: 35% 127GB free
Poor: 35% Great: 57%
SPEED RANK: 417th / 1002
Effective Speed
Effective HDD Speed
95.7 % Hugely faster effective speed.
47 %
Avg. Sequential Read Speed
175 MB/s Hugely faster read speed.
82.4 MB/s
Avg. Sequential Write Speed
159 MB/s Hugely faster write speed.
81.5 MB/s
4K Read
Avg. 4K Random Read Speed
0.65 MB/s Much faster random read.
0.38 MB/s
4K Write
Avg. 4K Random Write Speed
1.51 MB/s Faster random write.
1.25 MB/s
Avg. Sequential Mixed IO Speed
155 MB/s Hugely faster mixed IO speed.
77.4 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
0.21 MB/s Much faster random mixed IO.
0.16 MB/s
Peak Sequential Read Speed
200 MB/s Hugely faster peak read speed.
100 MB/s
Peak Sequential Write Speed
185 MB/s Hugely faster peak write speed.
101 MB/s
4K Read
Peak 4K Random Read Speed
0.79 MB/s Much faster peak random read.
0.52 MB/s
4K Write
Peak 4K Random Write Speed
1.78 MB/s Faster peak random write.
1.53 MB/s
Peak Sequential Mixed IO Speed
178 MB/s Hugely faster peak mixed IO speed.
97 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
0.25 MB/s Faster peak random mixed IO.
0.2 MB/s
Market Share
Based on 8,824,406 HDDs tested.
Market Share
Market Share (trailing 30 days)
2.2 % Hugely higher market share.
0.81 %
User Rating
UBM User Rating
79 % Much more popular.
51 %
19 Months Much more recent.
53 Months
Hard Drive Rankings (Price vs Performance) April 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]


Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Fastest effective speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance, price and capacity.
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 (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.

 Frequently Asked Questions

 Best User Rated

The Best.
Intel Core i7-8700K $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $90
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $290Samsung 850 Evo 500GB $137
AMD Ryzen 5 1600 $176AMD RX 480 $350Samsung 850 Pro 256GB $163
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $183SanDisk Extreme 64GB $70
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $957SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $193SanDisk Extreme 16GB $18
Today's hottest deals
User Guide  •  About  •  FAQs  •  Email  •  Privacy  •  Developer Feedback