Average Bench: 30.7% (710th of 1015)

Based on 986 user benchmarks.  Models: ST3320820SCE, ST332082 ST3320820SCE

Poor average bench

The Seagate ST3320820SCE 320GB averaged 69.3% 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 0.69MB/s
Avg. 4K Random Read Speed 0.56MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Seagate ST3320820SCE 320GB is 32.5%. This is a relatively narrow range which indicates that the Seagate ST3320820SCE 320GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 34.8MB/s
Avg. Sustained Write Speed 49MB/s
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Average Bench

(Based on 986 samples)
Min Avg Max
13.5 Read 57.7 76
13.8 Write 53.3 75.1
12.5 Mixed 34.8 42.5
11.3 SusWrite 49 76.1
35.8% 48.7 MB/s
Min Avg Max
0.2 4K Read 0.56 0.7
0.4 4K Write 1.11 1.4
0.2 4K Mixed 0.69 0.9
120% 0.78 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
192GB free
Firmware: 3.ACD
SusWrite @10s intervals: 69 70 71 73 74 73 MB/s
Read 73
Write 67.4
Mixed 42.1
SusWrite 71.6
47% 63.5 MB/s
4K Read 0.7
4K Write 1.3
4K Mixed 0.8
142% 0.93 MB/s
269GB free
Firmware: 3.AAE
SusWrite @10s intervals: 69 58 62 54 45 55 MB/s
Read 74.7
Write 36.4
Mixed 41.2
SusWrite 57.3
39% 52.4 MB/s
4K Read 0.7
4K Write 1.4
4K Mixed 0.8
144% 0.97 MB/s
140GB free (System drive)
Firmware: 3.ACD
SusWrite @10s intervals: 33 44 33 39 37 44 MB/s
Read 56.7
Write 56.5
Mixed 29.5
SusWrite 38.4
33% 45.3 MB/s
4K Read 0.6
4K Write 1.1
4K Mixed 0.7
123% 0.8 MB/s
151GB free
Firmware: D
SusWrite @10s intervals: 58 59 59 27 6.9 MB/s
Read 56.3
Write 58.2
Mixed 38
SusWrite 37.1
35% 47.4 MB/s
4K Read 0.7
4K Write 1.1
4K Mixed 0.7
127% 0.83 MB/s
205GB free (System drive)
Firmware: 3.ACE
SusWrite @10s intervals: 30 15 24 40 34 38 MB/s
Read 34.3
Write 29.2
Mixed 27.8
SusWrite 30
22% 30.3 MB/s
4K Read 0.6
4K Write 1.1
4K Mixed 0.8
134% 0.83 MB/s
986 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 40,616,187 HDDs tested.

 Prices

AmazonUS $263 years
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Typical ST3320820SCE 320GB Builds (Compare 14,907 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 99%
Nuclear submarine
Desktop
Desktop 89%
Aircraft carrier
Workstation
Workstation 99%
Nuclear submarine

Motherboard: Asus ROG STRIX X470-F GAMING - $189

EDIT WITH CUSTOM PC BUILDER Value: 66% - Good Total price: $1,159

Popular ST3320820SCE 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.
  • - 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) September 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 i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 850 Evo 120GB $183
Intel Core i7-11700K $346Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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