Average Bench: 20.4% (972nd of 1015)

Based on 821 user benchmarks.  Model: ST3160021A

Very poor average bench

The Seagate ST3160021A 160GB averaged 79.5% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.


Avg. 4K Random Mixed IO Speed 0.55MB/s
Avg. 4K Random Read Speed 0.51MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Seagate ST3160021A 160GB is 26.3%. This is a relatively narrow range which indicates that the Seagate ST3160021A 160GB performs reasonably consistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 24.5MB/s
Avg. Sequential Write Speed 30.8MB/s

Average Bench

(Based on 821 samples)
Min Avg Max
7 Read 36.4 54.1
4.5 Write 30.8 54.4
6.3 Mixed 24.5 39.1
5.51 SusWrite 31 52.9
22.7% 30.7 MB/s
Min Avg Max
0.1 4K Read 0.51 0.7
0.2 4K Write 1.01 1.5
0.1 4K Mixed 0.55 0.9
101% 0.69 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
145GB free
Firmware: 8.01
SusWrite @10s intervals: 46 56 55 56 55 53 MB/s
Read 51
Write 55.1
Mixed 37.1
SusWrite 53.5
36% 49.2 MB/s
4K Read 0.7
4K Write 1.5
4K Mixed 0.9
157% 1.03 MB/s
90GB free (System drive)
Firmware: 8.01
SusWrite @10s intervals: 12 21 12 23 42 15 MB/s
Read 44.9
Write 47.1
Mixed 29.4
SusWrite 20.8
26% 35.5 MB/s
4K Read 0.6
4K Write 1.3
4K Mixed 0.7
127% 0.87 MB/s
117GB free (System drive)
Firmware: .810
SusWrite @10s intervals: 16 21 15 12 21 23 MB/s
Read 20.8
Write 23
Mixed 17.8
SusWrite 18.1
15% 19.9 MB/s
4K Read 0.6
4K Write 1.4
4K Mixed 0.8
140% 0.93 MB/s
821 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 37,655,656 HDDs tested.


AmazonUS $753 years
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Typical ST3160021A 160GB Builds (Compare 775 builds) See popular component choices, score breakdowns and rankings.
Gaming 5%
Tree trunk
Desktop 46%
Workstation 4%
Tree trunk

Motherboard: Gigabyte GA-H55M-S2H

EDIT WITH CUSTOM PC BUILDER Value: 53% - Above average Total price: $94

Popular ST3160021A 160GB compatible motherboards:

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.
Hard Drive Rankings (Price vs Performance) April 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]


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.


1015 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different HDDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

The Best.
Intel Core i5-11400F $180Nvidia RTX 3060-Ti $400Crucial MX500 250GB $49
Intel Core i5-11600K $265Nvidia RTX 3070 $500Samsung 850 Evo 120GB $78
Intel Core i5-10600K $215Nvidia RTX 3080 $700Samsung 860 Evo 250GB $40
Seagate Barracuda 1TB (2016) $30Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $73SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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