Average Bench: 35.5% (581st of 1015)

Based on 11,592 user benchmarks.  Models: ST3320820AS, ST332082 ST3320820AS, ST332082 0A, ST332082 0AS

Poor average bench

The Seagate ST3320820AS 320GB averaged 64.4% 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 0.73MB/s
Avg. 4K Random Read Speed 0.62MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Seagate ST3320820AS 320GB is 25.4%. This is a relatively narrow range which indicates that the Seagate ST3320820AS 320GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sequential Write Speed 44.2MB/s
Avg. Sequential Mixed IO Speed 38MB/s
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Average Bench

(Based on 11,592 samples)
Min Avg Max
35.2 Read 64.5 78
15.6 Write 44.2 73.9
20.9 Mixed 38 44.5
19 SusWrite 59 77.3
37.9% 51.5 MB/s
Min Avg Max
0.4 4K Read 0.62 0.7
0.8 4K Write 1.31 1.9
0.4 4K Mixed 0.73 0.9
131% 0.89 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
223GB free
Firmware: 3.AA
SusWrite @10s intervals: 71 71 68 71 71 70 MB/s
Read 71.7
Write 41.5
Mixed 40.5
SusWrite 70.3
41% 56 MB/s
4K Read 0.7
4K Write 1.4
4K Mixed 0.8
144% 0.97 MB/s
169GB free
Firmware: 3.AHG
SusWrite @10s intervals: 68 69 69 69 69 69 MB/s
Read 71
Write 39.8
Mixed 43.5
SusWrite 69
41% 55.8 MB/s
4K Read 0.7
4K Write 1.2
4K Mixed 0.8
140% 0.9 MB/s
184GB free
Firmware: 3.AFE
SusWrite @10s intervals: 67 66 66 67 66 67 MB/s
Read 64.1
Write 61
Mixed 38.1
SusWrite 66.5
42% 57.4 MB/s
4K Read 0.7
4K Write 1.3
4K Mixed 0.8
142% 0.93 MB/s
226GB free (System drive)
Firmware: 3.AAD
SusWrite @10s intervals: 59 54 64 61 59 67 MB/s
Read 68.5
Write 68.7
Mixed 41.5
SusWrite 60.7
44% 59.8 MB/s
4K Read 0.7
4K Write 1.5
4K Mixed 0.9
157% 1.03 MB/s
55GB free
Firmware: 3.AAD
SusWrite @10s intervals: 61 63 61 63 63 63 MB/s
Read 61.4
Write 29.3
Mixed 38.2
SusWrite 62.2
35% 47.8 MB/s
4K Read 0.6
4K Write 1.3
4K Mixed 0.7
127% 0.87 MB/s
59GB free (System drive)
Firmware: 3.AA
SusWrite @10s intervals: 36 41 45 46 48 49 MB/s
Read 54.3
Write 55.3
Mixed 37.3
SusWrite 44.3
35% 47.8 MB/s
4K Read 0.6
4K Write 1.3
4K Mixed 0.8
138% 0.9 MB/s
31GB free (System drive)
Firmware: 3.AA
SusWrite @10s intervals: 27 28 29 20 14 28 MB/s
Read 36.3
Write 33
Mixed 22.5
SusWrite 24.2
21% 29 MB/s
4K Read 0.4
4K Write 0.9
4K Mixed 0.7
111% 0.67 MB/s
11,592 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 35,052,951 HDDs tested.

 Prices

AmazonUS $19923 mins
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Typical ST3320820AS 320GB Builds (Compare 26,855 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 27%
Raft
Desktop
Desktop 79%
Battleship
Workstation
Workstation 25%
Surfboard

Motherboard: Asus PRIME A320M-K - $60

EDIT WITH CUSTOM PC BUILDER Value: 65% - Good Total price: $427

Popular ST3320820AS 320GB 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.

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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) January 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 i5-9600K $208Nvidia RTX 3060-Ti $400Crucial MX500 250GB $47
Intel Core i5-10600K $257Nvidia RTX 3070 $500Samsung 850 Evo 120GB $78
Intel Core i5-10400F $161Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $40
HDDRAMUSB
Seagate Barracuda 1TB (2016) $47Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $71SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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