Average Bench: 37.4% (555th of 1015)

Based on 2,193 user benchmarks.  Models: ST3320311CS, ST332031 ST3320311CS

Poor average bench

The Seagate ST3320311CS 320GB averaged 62.5% 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 37.1%. 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 40.6MB/s
Avg. Sustained Write Speed 61.9MB/s
ADVERTISEMENT

Average Bench

(Based on 2,193 samples)
Min Avg Max
16.4 Read 68.2 95.9
20.1 Write 67.1 93.5
17.5 Mixed 40.6 51
20.3 SusWrite 61.9 88
43.7% 59.5 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
125% 0.89 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
272GB free
Firmware: SC13
SusWrite @10s intervals: 125 126 125 125 126 126 MB/s
Read 120
Write 116
Mixed 69.8
SusWrite 126
79% 108 MB/s
4K Read 0.9
4K Write 2.5
4K Mixed 1.2
217% 1.53 MB/s
293GB free
Firmware: SC13
SusWrite @10s intervals: 88 88 88 87 89 89 MB/s
Read 88.3
Write 87.7
Mixed 52.7
SusWrite 88.2
58% 79.2 MB/s
4K Read 0.5
4K Write 1.6
4K Mixed 0.7
128% 0.93 MB/s
201GB free
Firmware: SC13
SusWrite @10s intervals: 78 78 81 80 81 81 MB/s
Read 78.5
Write 77.8
Mixed 48.7
SusWrite 79.8
52% 71.2 MB/s
4K Read 0.6
4K Write 1.6
4K Mixed 0.7
132% 0.97 MB/s
132GB free
Firmware: SC13
SusWrite @10s intervals: 78 79 80 80 81 79 MB/s
Read 77.8
Write 79
Mixed 49.5
SusWrite 79.4
52% 71.4 MB/s
4K Read 0.6
4K Write 1.7
4K Mixed 0.8
145% 1.03 MB/s
173GB free
Firmware: SC13
SusWrite @10s intervals: 76 77 78 77 77 77 MB/s
Read 75
Write 76
Mixed 46.5
SusWrite 76.9
50% 68.6 MB/s
4K Read 0.5
4K Write 1.8
4K Mixed 0.7
132% 1 MB/s
73GB free
Firmware: SC13
SusWrite @10s intervals: 61 69 71 71 73 76 MB/s
Read 80.9
Write 64.5
Mixed 45.3
SusWrite 70.1
48% 65.2 MB/s
4K Read 0.6
4K Write 1.7
4K Mixed 0.9
156% 1.07 MB/s
95GB free (System drive)
Firmware: CA12
SusWrite @10s intervals: 25 19 29 48 48 55 MB/s
Read 67.8
Write 63.2
Mixed 32
SusWrite 37.4
37% 50.1 MB/s
4K Read 0.6
4K Write 1.3
4K Mixed 0.7
127% 0.87 MB/s
36GB free (System drive)
Firmware: SC13
SusWrite @10s intervals: 36 33 41 44 44 43 MB/s
Read 62.7
Write 62.3
Mixed 39.9
SusWrite 40.1
38% 51.2 MB/s
4K Read 0.3
4K Write 1.4
4K Mixed 0.7
116% 0.8 MB/s
2,193 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 19,870,927 HDDs tested.

Typical ST3320311CS 320GB Builds (Compare 758 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: 31% - Below 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.

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) September 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 i5-9400F $140Nvidia GTX 1660 $220Samsung 850 Evo 250GB $60
Intel Core i5-9600K $225Nvidia GTX 1660-Ti $278Samsung 850 Evo 500GB $105
Intel Core i7-9700K $350Nvidia RTX 2060 $340Samsung 850 Pro 256GB $211
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3000 C15 2x8GB $70SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $34G.SKILL Trident Z DDR4 3200 C14 4x16GB $612SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $64Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 16GB $24
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer Feedback