Average Bench: 37.9% (547th of 1015)

Based on 2,373 user benchmarks.  Models: ST3320311CS, ST332031 ST3320311CS

Poor average bench

The Seagate ST3320311CS 320GB averaged 62.0% 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 0.7MB/s
Avg. 4K Random Write Speed 1.48MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Seagate ST3320311CS 320GB is 35.2%. 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 41.2MB/s
Avg. Sustained Write Speed 62.3MB/s
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Average Bench

(Based on 2,373 samples)
Min Avg Max
18.9 Read 69.6 96.3
19.8 Write 68.4 93.2
17.4 Mixed 41.2 51.3
20.5 SusWrite 62.3 88.1
44.4% 60.4 MB/s
Min Avg Max
0.2 4K Read 0.5 0.6
0.5 4K Write 1.48 1.8
0.3 4K Mixed 0.7 0.9
126% 0.89 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
226GB free (System drive)
Firmware: CA12
SusWrite @10s intervals: 21 50 48 50 52 57 MB/s
Read 86.8
Write 91.5
Mixed 44.8
SusWrite 46.4
49% 67.4 MB/s
4K Read 0.5
4K Write 1.6
4K Mixed 0.9
150% 1 MB/s
4GB free
Firmware: CA12
SusWrite @10s intervals: 61 62 62 62 60 56 MB/s
Read 69.2
Write 67.3
Mixed 43.7
SusWrite 60.3
44% 60.1 MB/s
4K Read 0.3
4K Write 0.9
4K Mixed 0.3
62% 0.5 MB/s
160GB free (System drive)
Firmware: SC13
SusWrite @10s intervals: 23 59 59 65 68 55 MB/s
Read 67.5
Write 71.4
Mixed 45.8
SusWrite 54.9
44% 59.9 MB/s
4K Read 0.5
4K Write 1.5
4K Mixed 0.9
149% 0.97 MB/s
94GB free
Firmware: SC13
SusWrite @10s intervals: 56 55 53 52 53 56 MB/s
Read 61
Write 65.5
Mixed 41.5
SusWrite 54.1
41% 55.5 MB/s
4K Read 0.5
4K Write 1.5
4K Mixed 0.7
126% 0.9 MB/s
15GB free
Firmware: SC13
SusWrite @10s intervals: 65 67 66 21 53 67 MB/s
Read 48.3
Write 43.7
Mixed 31
SusWrite 56.6
33% 44.9 MB/s
4K Read 0.6
4K Write 1.4
4K Mixed 0.7
129% 0.9 MB/s
173GB free (System drive)
Firmware: ES12
SusWrite @10s intervals: 13 15 24 39 45 50 MB/s
Read 56.3
Write 42.8
Mixed 36.5
SusWrite 31.1
31% 41.7 MB/s
4K Read 0.4
4K Write 1.4
4K Mixed 0.6
109% 0.8 MB/s
2,373 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,706,640 HDDs tested.

Typical ST3320311CS 320GB Builds (Compare 881 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 11%
Tree trunk
Desktop
Desktop 39%
Jet ski
Workstation
Workstation 20%
Surfboard

Motherboard: Intel H55

EDIT WITH CUSTOM PC BUILDER Value: 40% - Average Total price: $237

Popular ST3320311CS 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) December 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]

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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 i5-9400F $145Nvidia GTX 1660S (Super) $244Crucial MX500 250GB $39
Intel Core i5-9600K $200Nvidia RTX 2060 $324Samsung 850 Evo 120GB $150
Intel Core i7-9700K $360AMD RX 590 $180Samsung 860 Evo 250GB $54
HDDRAMUSB
Seagate Barracuda 1TB (2016) $32Corsair Vengeance LPX DDR4 3200 C16 2x8GB $76SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $58SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $613SanDisk Extreme 16GB $24
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