Average Bench: 25.1% (864th of 1015)

Based on 649 user benchmarks.  Models: ST3120213AS, ST312021 3A, ST312021 ST3120213AS, ST312021 3AS

Very poor average bench

The Seagate ST3120213AS 120GB averaged 74.9% 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.

Strengths

Avg. 4K Random Mixed IO Speed 0.68MB/s
Avg. 4K Random Read Speed 0.54MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Seagate ST3120213AS 120GB is 21.9%. This is a relatively narrow range which indicates that the Seagate ST3120213AS 120GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sequential Write Speed 26.6MB/s
Avg. Sequential Mixed IO Speed 27.7MB/s
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Average Bench

(Based on 649 samples)
Min Avg Max
17.7 Read 46.1 58.1
8.7 Write 26.6 54
12.4 Mixed 27.7 46.2
13.1 SusWrite 40.2 58
25.9% 35.2 MB/s
Min Avg Max
0.19 4K Read 0.54 0.7
0.3 4K Write 1.11 1.4
0.2 4K Mixed 0.68 0.9
119% 0.78 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
112GB free
Firmware: 3.AHL
SusWrite @10s intervals: 55 57 57 57 57 57 MB/s
Read 56
Write 11.5
Mixed 29.8
SusWrite 56.8
28% 38.5 MB/s
4K Read 0.6
4K Write 1.4
4K Mixed 0.8
140% 0.93 MB/s
112GB free
Firmware: 3.AHH
SusWrite @10s intervals: 55 56 56 57 57 57 MB/s
Read 54.4
Write 11.5
Mixed 30
SusWrite 56.3
28% 38 MB/s
4K Read 0.6
4K Write 1.5
4K Mixed 0.9
153% 1 MB/s
47GB free
Firmware: 3.AHH
SusWrite @10s intervals: 38 40 40 41 40 39 MB/s
Read 53
Write 52
Mixed 37.5
SusWrite 39.7
34% 45.5 MB/s
4K Read 0.6
4K Write 1.1
4K Mixed 0.8
134% 0.83 MB/s
77GB free
Firmware: 3.AH
SusWrite @10s intervals: 24 25 25 26 26 26 MB/s
Read 30.8
Write 7.8
Mixed 10.3
SusWrite 25.5
14% 18.6 MB/s
4K Read 0.6
4K Write 0.4
4K Mixed 0.5
88% 0.5 MB/s
56GB free (System drive)
Firmware: 3.AH
SusWrite @10s intervals: 18 15 13 14 16 23 MB/s
Read 38.7
Write 24.5
Mixed 28.8
SusWrite 16.5
20% 27.1 MB/s
4K Read 0.6
4K Write 1.4
4K Mixed 0.9
151% 0.97 MB/s
77GB free
Firmware: 3.AH
SusWrite @10s intervals: 22 24 26 25 26 26 MB/s
Read 29.1
Write 8
Mixed 12.4
SusWrite 25
14% 18.6 MB/s
4K Read 0.5
4K Write 0.3
4K Mixed 0.4
71% 0.4 MB/s
649 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 39,629,978 HDDs tested.

Typical ST3120213AS 120GB Builds (Compare 7 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 0%
Incomplete
Desktop
Desktop 0%
Incomplete
Workstation
Workstation 0%
Incomplete

System: Compaq-presario GC668AA-ABA SR5110NX

EDIT WITH CUSTOM PC BUILDER

Popular ST3120213AS 120GB systems:

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.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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.
Hard Drive Rankings (Price vs Performance) July 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]

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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.

 Comments

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.
CPUGPUSSD
Intel Core i5-11400F $239Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11600K $270Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-10700K $299Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $78
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $85SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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