Average Bench: 43.8% (434th of 1015)

Based on 12,351 user benchmarks.  Models: ST3320418AS, ST332041 ST3320418AS, ST332041 8AS

Below average average bench

The Seagate ST3320418AS 320GB averaged 56.1% 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 0.9MB/s
Avg. 4K Random Write Speed 1.6MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Seagate ST3320418AS 320GB is 40.1%. This is a relatively wide range which indicates that the Seagate ST3320418AS 320GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 50.7MB/s
Avg. Sustained Write Speed 73.4MB/s
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Average Bench

(Based on 12,351 samples)
Min Avg Max
16.8 Read 79.1 104
18.2 Write 76.4 103
20.3 Mixed 50.7 64
29.6 SusWrite 73.4 104
51.4% 69.9 MB/s
Min Avg Max
0.3 4K Read 0.64 0.8
0.8 4K Write 1.6 2
0.4 4K Mixed 0.9 1.1
156% 1.05 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
126GB free
Firmware: CC37
SusWrite @10s intervals: 106 107 105 107 108 109 MB/s
Read 91.2
Write 95
Mixed 62.3
SusWrite 107
65% 88.9 MB/s
4K Read 0.7
4K Write 1.7
4K Mixed 1
172% 1.13 MB/s
234GB free (System drive)
Firmware: CC49
SusWrite @10s intervals: 81 85 88 78 83 87 MB/s
Read 90.5
Write 81.5
Mixed 53.7
SusWrite 83.7
57% 77.3 MB/s
4K Read 0.7
4K Write 1.8
4K Mixed 1
174% 1.17 MB/s
240GB free (System drive)
Firmware: CC49
SusWrite @10s intervals: 82 86 85 91 77 83 MB/s
Read 87
Write 85
Mixed 55.2
SusWrite 84
57% 77.8 MB/s
4K Read 0.7
4K Write 1.9
4K Mixed 1
176% 1.2 MB/s
283GB free (System drive)
Firmware: CC46
SusWrite @10s intervals: 99 86 71 65 87 92 MB/s
Read 85.7
Write 85
Mixed 22.5
SusWrite 83.1
50% 69.1 MB/s
4K Read 0.2
4K Write 1.9
4K Mixed 0.9
144% 1 MB/s
241GB free (System drive)
Firmware: CC44
SusWrite @10s intervals: 33 22 28 36 84 89 MB/s
Read 88
Write 82.5
Mixed 52
SusWrite 48.9
50% 67.8 MB/s
4K Read 0.7
4K Write 1.5
4K Mixed 0.8
146% 1 MB/s
91GB free (System drive)
Firmware: CC46
SusWrite @10s intervals: 31 38 33 40 63 63 MB/s
Read 76.8
Write 48.8
Mixed 37.5
SusWrite 44.6
38% 51.9 MB/s
4K Read 0.4
4K Write 1.4
4K Mixed 0.7
120% 0.83 MB/s
12,351 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 18,445,871 HDDs tested.

 Prices

AmazonUS $255 mins
EbayUS $15022 mins
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Typical ST3320418AS 320GB Builds (Compare 39,980 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 37%
Jet ski
Desktop
Desktop 60%
Gunboat
Workstation
Workstation 24%
Surfboard

Disqualified System: bin bin

EDIT WITH CUSTOM PC BUILDER Value: 71% - Very good Total price: $560

Popular ST3320418AS 320GB systems:

How Fast Is Your HDD? (Bench your build) Size up your PC in less than a minute.

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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.
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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

Added n/a ago.

Terrible

13 months ago.

it became too slow after some month using it


Your
opinion?
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 $127Nvidia GTX 1060-6GB $250Samsung 850 Evo 500GB $103
AMD Ryzen 7 2700X $252Nvidia GTX 1080-Ti $750Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $70SanDisk Extreme 64GB $128
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $728SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Ultra Fit 32GB $12
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