Average Bench: 34% (629th of 1014)

Based on 1,970 user benchmarks.  Models: ST3400620AS, ST340062 0A, ST340062 0AS, ST340062 ST3400620AS

Poor average bench

The Seagate ST3400620AS 400GB averaged 66.0% 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 0.64MB/s
Avg. 4K Random Write Speed 1.45MB/s

Very good consistency

The range of scores (95th - 5th percentile) for the Seagate ST3400620AS 400GB is just 19.9%. This is a relatively narrow range which indicates that the Seagate ST3400620AS 400GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sequential Write Speed 47.8MB/s
Avg. Sequential Mixed IO Speed 42.7MB/s
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Average Bench

(Based on 1,970 samples)
Min Avg Max
36.4 Read 60.5 73.7
21.8 Write 47.8 72.6
27.5 Mixed 42.7 50.7
33.7 SusWrite 57.6 74.8
38.5% 52.2 MB/s
Min Avg Max
0.4 4K Read 0.62 0.7
0.9 4K Write 1.45 2
0.3 4K Mixed 0.64 0.88
124% 0.91 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
247GB free
Firmware: K
SusWrite @10s intervals: 73 72 73 75 74 74 MB/s
Read 69
Write 50.2
Mixed 46.8
SusWrite 73.5
44% 59.9 MB/s
4K Read 0.6
4K Write 1.7
4K Mixed 0.5
112% 0.93 MB/s
216GB free
Firmware: 3.AAE
SusWrite @10s intervals: 56 59 61 62 57 62 MB/s
Read 61.2
Write 66
Mixed 44.7
SusWrite 59.6
43% 57.9 MB/s
4K Read 0.7
4K Write 1.4
4K Mixed 0.8
144% 0.97 MB/s
122GB free
Firmware: 3.AAC
SusWrite @10s intervals: 62 61 62 62 62 62 MB/s
Read 58
Write 37.5
Mixed 42.8
SusWrite 61.8
37% 50 MB/s
4K Read 0.7
4K Write 1.4
4K Mixed 0.9
155% 1 MB/s
49GB free
Firmware: 3.AAK
SusWrite @10s intervals: 46 51 52 51 51 51 MB/s
Read 63
Write 35.8
Mixed 45.2
SusWrite 50.1
36% 48.5 MB/s
4K Read 0.6
4K Write 1.6
4K Mixed 0.6
121% 0.93 MB/s
169GB free
Firmware: 3.AAE
SusWrite @10s intervals: 60 62 64 64 64 63 MB/s
Read 47.8
Write 40.2
Mixed 38.6
SusWrite 62.8
35% 47.3 MB/s
4K Read 0.6
4K Write 1
4K Mixed 0.7
121% 0.77 MB/s
119GB free (System drive)
Firmware: 3.AAK
SusWrite @10s intervals: 37 23 39 50 51 51 MB/s
Read 62.3
Write 56.7
Mixed 36.5
SusWrite 42
36% 49.4 MB/s
4K Read 0.4
4K Write 1.3
4K Mixed 0.6
107% 0.77 MB/s
8GB free
Firmware: 3.AAK
SusWrite @10s intervals: 30 44 50 46 47 49 MB/s
Read 48.3
Write 21.7
Mixed 34.2
SusWrite 44.6
28% 37.2 MB/s
4K Read 0.4
4K Write 1.6
4K Mixed 0.5
102% 0.83 MB/s
1,970 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 25,143,052 HDDs tested.

 Prices

AmazonUS $552 years
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Typical ST3400620AS 400GB Builds (Compare 909 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 18%
Surfboard
Desktop
Desktop 27%
Raft
Workstation
Workstation 18%
Surfboard

Motherboard: Asus P5N-E SLI

EDIT WITH CUSTOM PC BUILDER Value: 30% - Below average Total price: $331

Popular ST3400620AS 400GB 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) April 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

1014 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 $210Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $49
Intel Core i5-9400F $146Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $360Nvidia RTX 2070S (Super) $500Samsung 850 Pro 512GB $249
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $84SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Ultra Fit 32GB $16
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