Average Bench: 25.2% (856th of 1015)

Based on 647 user benchmarks.  Models: ST3120813AS, ST312081 ST3120813AS, ST312081 3AS

Very poor average bench

The Seagate ST3120813AS 120GB averaged 74.8% 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 0.62MB/s
Avg. 4K Random Read Speed 0.56MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the Seagate ST3120813AS 120GB is just 17.2%. This is a relatively narrow range which indicates that the Seagate ST3120813AS 120GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sequential Write Speed 35.3MB/s
Avg. Sequential Mixed IO Speed 33.8MB/s
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Average Bench

(Based on 647 samples)
Min Avg Max
24.2 Read 45.7 57.7
13.7 Write 35.3 55.3
15.7 Mixed 33.8 47.8
20.3 SusWrite 40.7 56.6
28.8% 38.9 MB/s
Min Avg Max
0.2 4K Read 0.56 0.7
0.51 4K Write 1.1 1.4
0.2 4K Mixed 0.62 0.9
113% 0.76 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
112GB free
Firmware: 2AAA
SusWrite @10s intervals: 54 54 54 55 54 54 MB/s
Read 104
Write 24.9
Mixed 47.5
SusWrite 54
43% 57.6 MB/s
4K Read 0.7
4K Write 1.3
4K Mixed 0.8
142% 0.93 MB/s
112GB free
Firmware: 3.AAE
SusWrite @10s intervals: 59 60 60 60 60 57 MB/s
Read 77.8
Write 29.3
Mixed 45.1
SusWrite 59.2
39% 52.9 MB/s
4K Read 0.8
4K Write 1.2
4K Mixed 0.7
133% 0.9 MB/s
4GB free
Firmware: 3.AAE
SusWrite @10s intervals: 54 54 54 55 55 55 MB/s
Read 76
Write 27.2
Mixed 45.1
SusWrite 54.7
38% 50.7 MB/s
4K Read 0.7
4K Write 1.1
4K Mixed 0.8
138% 0.87 MB/s
15GB free
Firmware: 3.AAD
SusWrite @10s intervals: 51 50 45 43 44 51 MB/s
Read 47.5
Write 49.1
Mixed 37.2
SusWrite 47.2
33% 45.2 MB/s
4K Read 0.6
4K Write 0.9
4K Mixed 0.8
131% 0.77 MB/s
53GB free (System drive)
Firmware: 3.AAD
SusWrite @10s intervals: 25 30 31 26 33 30 MB/s
Read 50.2
Write 43.7
Mixed 35.1
SusWrite 29.3
29% 39.6 MB/s
4K Read 0.6
4K Write 0.7
4K Mixed 0.7
116% 0.67 MB/s
647 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 53,307,424 HDDs tested

 Prices

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AmazonUS $984 years
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Typical ST3120813AS 120GB Builds (Compare 89 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 5%
Tree trunk
Desktop
Desktop 46%
Yacht
Workstation
Workstation 4%
Tree trunk

Motherboard: Asrock G41C-GS R2.0

EDIT WITH CUSTOM PC BUILDER Value: 53% - Above average Total price: $198

Popular ST3120813AS 120GB compatible motherboards:

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  • - CPU tests include: integer, floating and string
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Hard Drive Rankings (Price vs Performance) April 2024 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 i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $134Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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