Average Bench: 34.9% (609th of 1015)

Based on 6,691 user benchmarks.  Models: ST3320820AS, ST332082 ST3320820AS, ST332082 0A, ST332082 0AS

Poor average bench

The Seagate ST3320820AS 320GB averaged 65.1% 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 0.74MB/s
Avg. 4K Random Read Speed 0.6MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Seagate ST3320820AS 320GB is 26.4%. 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 42.9MB/s
Avg. Sequential Mixed IO Speed 37.6MB/s
ADVERTISEMENT

Average Bench

(Based on 6,691 samples)
Min Avg Max
28 Read 63.2 78.3
16 Write 42.9 73
19.6 Mixed 37.6 44.5
19.4 SusWrite 58 77.5
37.1% 50.4 MB/s
Min Avg Max
0.2 4K Read 0.6 0.7
0.7 4K Write 1.29 1.8
0.3 4K Mixed 0.74 0.9
131% 0.88 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
41GB free
Firmware: 3.AAD
SusWrite @10s intervals: 75 78 77 77 78 78 MB/s
Read 75.7
Write 46.5
Mixed 44.2
SusWrite 77.2
45% 60.9 MB/s
4K Read 0.7
4K Write 1.5
4K Mixed 0.9
157% 1.03 MB/s
89GB free
Firmware: 3.AAD
SusWrite @10s intervals: 70 69 71 71 71 71 MB/s
Read 66.6
Write 33.4
Mixed 41.4
SusWrite 70.4
39% 52.9 MB/s
4K Read 0.7
4K Write 1.4
4K Mixed 0.8
144% 0.97 MB/s
258GB free
Firmware: 3.AAC
SusWrite @10s intervals: 65 63 65 66 64 65 MB/s
Read 69.2
Write 34
Mixed 44.2
SusWrite 64.7
39% 53 MB/s
4K Read 0.7
4K Write 1.4
4K Mixed 0.9
155% 1 MB/s
63GB free
Firmware: 3.AAC
SusWrite @10s intervals: 51 51 52 52 52 52 MB/s
Read 72.7
Write 47.5
Mixed 42.5
SusWrite 51.9
40% 53.7 MB/s
4K Read 0.6
4K Write 1.3
4K Mixed 0.9
149% 0.93 MB/s
155GB free (System drive)
Firmware: 3.AAD
SusWrite @10s intervals: 51 46 53 52 61 50 MB/s
Read 63.3
Write 11.3
Mixed 22.8
SusWrite 52.1
27% 37.4 MB/s
4K Read 0.4
4K Write 0.4
4K Mixed 0.4
68% 0.4 MB/s
18GB free
Firmware: 3.AAC
SusWrite @10s intervals: 47 49 49 49 49 49 MB/s
Read 55
Write 23
Mixed 34.5
SusWrite 48.9
30% 40.3 MB/s
4K Read 0.6
4K Write 1.1
4K Mixed 0.8
134% 0.83 MB/s
6,691 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 17,164,774 HDDs tested.

 Prices

AmazonUS $19912 mins
Send price feedback
Typical ST3320820AS 320GB Builds (Compare 455 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 12%
Tree trunk
Desktop
Desktop 31%
Sail boat
Workstation
Workstation 21%
Surfboard

System: Dell Inspiron 545

EDIT WITH CUSTOM PC BUILDER Value: 64% - Good Total price: $170

Popular ST3320820AS 320GB 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.
  • - 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) May 2019 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]

ADVERTISEMENT

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 i7-8700K $350Nvidia GTX 1070 $380Samsung 850 Evo 250GB $70
AMD Ryzen 5 2600 $139Nvidia GTX 1060-6GB $208Samsung 850 Evo 500GB $99
AMD Ryzen 5 1600 $108Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $80SanDisk Extreme 64GB $128
WD Blue 1TB (2012) $41G.SKILL Trident Z DDR4 3200 C14 4x16GB $651SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3200 C16 2x8GB $95SanDisk Ultra Fit 32GB $12
Today's hottest deals
User Guide  •  About  •  FAQs  •  Email  •  Privacy  •  Developer Feedback