Average Bench: 36.8% (564th of 1015)

Based on 3,700 user benchmarks.  Models: ST3320311CS, ST332031 ST3320311CS

Poor average bench

The Seagate ST3320311CS 320GB averaged 63.2% 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 Write Speed 1.45MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Seagate ST3320311CS 320GB is 37.6%. This is a relatively wide range which indicates that the Seagate ST3320311CS 320GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 40.3MB/s
Avg. Sustained Write Speed 60.3MB/s
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Average Bench

(Based on 3,700 samples)
Min Avg Max
13 Read 67.7 91.8
16.8 Write 65.3 89.5
13.5 Mixed 40.3 51.1
14.4 SusWrite 60.3 87.4
42.9% 58.4 MB/s
Min Avg Max
0.1 4K Read 0.49 0.6
0.5 4K Write 1.45 1.8
0.2 4K Mixed 0.68 0.9
123% 0.87 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
192GB free
Firmware: SC13
SusWrite @10s intervals: 86 86 86 87 87 86 MB/s
Read 88.3
Write 83.4
Mixed 49.2
SusWrite 86.6
56% 76.9 MB/s
4K Read 0.5
4K Write 1.7
4K Mixed 0.7
130% 0.97 MB/s
297GB free
Firmware: ES12
SusWrite @10s intervals: 83 87 86 87 88 87 MB/s
Read 84
Write 83.5
Mixed 50.7
SusWrite 86.5
56% 76.2 MB/s
4K Read 0.6
4K Write 1.8
4K Mixed 0.8
147% 1.07 MB/s
208GB free (System drive)
Firmware: ES13
SusWrite @10s intervals: 61 62 69 70 75 76 MB/s
Read 86.3
Write 82.3
Mixed 47.8
SusWrite 68.8
52% 71.3 MB/s
4K Read 0.5
4K Write 1.7
4K Mixed 0.8
141% 1 MB/s
141GB free (System drive)
Firmware: SC13
SusWrite @10s intervals: 51 56 62 62 58 59 MB/s
Read 59.6
Write 61.1
Mixed 40.5
SusWrite 57.8
40% 54.8 MB/s
4K Read 0.6
4K Write 1.6
4K Mixed 0.9
155% 1.03 MB/s
9GB free
Firmware: SC13
SusWrite @10s intervals: 50 50 46 49 52 51 MB/s
Read 50.5
Write 50.3
Mixed 34.6
SusWrite 49.7
34% 46.3 MB/s
4K Read 0.5
4K Write 1.4
4K Mixed 0.7
124% 0.87 MB/s
3,700 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 29,524,186 HDDs tested.

Typical ST3320311CS 320GB Builds (Compare 15,654 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 2%
Tree trunk
Desktop
Desktop 65%
Destroyer
Workstation
Workstation 2%
Tree trunk

Disqualified System: bin bin

EDIT WITH CUSTOM PC BUILDER Value: 74% - Very good Total price: $216

Popular ST3320311CS 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.

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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) August 2020 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 $195Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $46
Intel Core i5-9400F $156Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $335Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $50
HDDRAMUSB
Seagate Barracuda 1TB (2016) $42Corsair Vengeance LPX DDR4 3200 C16 2x8GB $60SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $69SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Extreme 16GB $24
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