Average Bench: 59.2% (203rd of 1015)

Based on 204 user benchmarks.  Models: ST31000521AS, ST310005 21AS, ST310005 ST31000521AS

Average average bench

The Seagate ST31000521AS 1TB averaged 40.8% 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 0.71MB/s
Avg. 4K Random Read Speed 0.74MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Seagate ST31000521AS 1TB is 33.3%. This is a relatively narrow range which indicates that the Seagate ST31000521AS 1TB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 77MB/s
Avg. Sustained Write Speed 101MB/s
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Average Bench

(Based on 204 samples)
Min Avg Max
68.2 Read 104 129
64.9 Write 102 131
33.6 Mixed 77 114
56.4 SusWrite 101 129
70.8% 95.9 MB/s
Min Avg Max
0.41 4K Read 0.74 0.94
1.27 4K Write 1.66 2.1
0.34 4K Mixed 0.71 1.1
141% 1.04 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
527GB free
Firmware: CCA3
SusWrite @10s intervals: 114 119 120 119 119 119 MB/s
Read 109
Write 112
Mixed 63.7
SusWrite 118
74% 101 MB/s
4K Read 0.8
4K Write 1.7
4K Mixed 1
176% 1.17 MB/s
583GB free
Firmware: CC14
SusWrite @10s intervals: 101 102 100 103 102 103 MB/s
Read 86.8
Write 90.5
Mixed 59.8
SusWrite 102
62% 84.7 MB/s
4K Read 0.9
4K Write 1.6
4K Mixed 1
178% 1.17 MB/s
250GB free
Firmware: CC14
SusWrite @10s intervals: 93 93 95 95 96 95 MB/s
Read 85.5
Write 88.5
Mixed 54.3
SusWrite 94.6
59% 80.7 MB/s
4K Read 0.9
4K Write 1.9
4K Mixed 0.9
173% 1.23 MB/s
123GB free
Firmware: CCA3
SusWrite @10s intervals: 71 73 72 70 70 71 MB/s
Read 98
Write 88
Mixed 62
SusWrite 71.2
59% 79.8 MB/s
4K Read 0.9
4K Write 1.5
4K Mixed 1.1
188% 1.17 MB/s
204 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 19,225,800 HDDs tested.

Typical ST31000521AS 1TB Builds (Compare 7,403 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 42%
Speed boat
Desktop
Desktop 51%
Yacht
Workstation
Workstation 40%
Speed boat

Motherboard: Asus CROSSHAIR V FORMULA-Z - $220

EDIT WITH CUSTOM PC BUILDER Value: 33% - Below average Total price: $810

Popular ST31000521AS 1TB 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) August 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 $140AMD RX 580 $169Samsung 850 Evo 250GB $86
AMD Ryzen 5 3600 $198AMD RX Vega 56 $300Samsung 850 Evo 500GB $102
Intel Core i5-9600K $219AMD RX 5700 XT $400Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $42G.SKILL Trident Z DDR4 3200 C14 4x16GB $695SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $80Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Extreme 16GB $24
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