Average Bench: 36.8% (565th of 1015)

Based on 2,179 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 0.69MB/s
Avg. 4K Random Write Speed 1.46MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Seagate ST3320311CS 320GB is 37.2%. 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 40.3MB/s
Avg. Sustained Write Speed 60.7MB/s
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Average Bench

(Based on 2,179 samples)
Min Avg Max
13.7 Read 67.1 94
19.2 Write 66 91.5
16.1 Mixed 40.3 50.8
21.2 SusWrite 60.7 88.2
43% 58.5 MB/s
Min Avg Max
0.11 4K Read 0.49 0.6
0.5 4K Write 1.46 1.8
0.3 4K Mixed 0.69 0.9
125% 0.88 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
211GB free (System drive)
Firmware: ES12
SusWrite @10s intervals: 66 71 70 71 72 72 MB/s
Read 74.5
Write 70.3
Mixed 31.2
SusWrite 70
45% 61.5 MB/s
4K Read 0.1
4K Write 1.1
4K Mixed 0.8
113% 0.67 MB/s
149GB free
Firmware: SC13
SusWrite @10s intervals: 52 78 77 78 77 77 MB/s
Read 70.6
Write 71.8
Mixed 44.2
SusWrite 73.2
48% 64.9 MB/s
4K Read 0.6
4K Write 1.6
4K Mixed 0.9
155% 1.03 MB/s
55GB free
Firmware: ES12
SusWrite @10s intervals: 58 58 59 59 59 59 MB/s
Read 80.3
Write 80.3
Mixed 48.3
SusWrite 58.7
49% 66.9 MB/s
4K Read 0.6
4K Write 1.5
4K Mixed 0.7
130% 0.93 MB/s
139GB free (System drive)
Firmware: SC13
SusWrite @10s intervals: 65 45 55 66 70 71 MB/s
Read 70.5
Write 70.8
Mixed 43.8
SusWrite 62.1
46% 61.8 MB/s
4K Read 0.6
4K Write 1.6
4K Mixed 0.8
144% 1 MB/s
75GB free
Firmware: SC13
SusWrite @10s intervals: 60 62 60 60 60 60 MB/s
Read 62.3
Write 58.5
Mixed 33.2
SusWrite 60.4
39% 53.6 MB/s
4K Read 0.5
4K Write 1.2
4K Mixed 0.7
121% 0.8 MB/s
72GB free
Firmware: SC13
SusWrite @10s intervals: 49 49 49 46 46 47 MB/s
Read 69
Write 68.5
Mixed 42.8
SusWrite 47.7
42% 57 MB/s
4K Read 0.6
4K Write 1.6
4K Mixed 0.8
144% 1 MB/s
60GB free
Firmware: SC13
SusWrite @10s intervals: 30 32 31 31 32 31 MB/s
Read 81
Write 26.7
Mixed 47.5
SusWrite 31.2
35% 46.6 MB/s
4K Read 0.6
4K Write 0.8
4K Mixed 0.8
129% 0.73 MB/s
40GB free (System drive)
Firmware: CA12
SusWrite @10s intervals: 19 53 34 54 61 59 MB/s
Read 65.2
Write 67.8
Mixed 43.6
SusWrite 46.8
41% 55.9 MB/s
4K Read 0.5
4K Write 1.5
4K Mixed 0.7
126% 0.9 MB/s
2,179 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 18,294,601 HDDs tested.

Typical ST3320311CS 320GB Builds (Compare 652 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 11%
Tree trunk
Desktop
Desktop 41%
Speed boat
Workstation
Workstation 23%
Surfboard

Motherboard: Intel H55

EDIT WITH CUSTOM PC BUILDER Value: 51% - Above average Total price: $235

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.
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  • - Explore your best upgrade options with a virtual PC build.
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  • - Share your opinion by voting.
Hard Drive Rankings (Price vs Performance) July 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 i7-8700K $350Nvidia GTX 1070 $400Samsung 850 Evo 250GB $104
AMD Ryzen 5 2600 $120Nvidia GTX 1060-6GB $250Samsung 850 Evo 500GB $103
AMD Ryzen 7 2700X $220Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $68SanDisk Extreme 64GB $45
Seagate Barracuda 3TB (2016) $70G.SKILL Trident Z DDR4 3200 C14 4x16GB $606SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $41Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk Ultra Fit 32GB $12
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