Average Bench: 59.4% (197th of 1015)

Based on 195 user benchmarks.  Models: ST31000521AS, ST310005 21AS, ST310005 ST31000521AS

Average average bench

The Seagate ST31000521AS 1TB averaged 40.6% 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 1.67MB/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 77.8MB/s
Avg. Sustained Write Speed 102MB/s
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Average Bench

(Based on 195 samples)
Min Avg Max
68.3 Read 104 129
65 Write 102 131
33.4 Mixed 77.8 114
54.3 SusWrite 102 130
71.2% 96.5 MB/s
Min Avg Max
0.4 4K Read 0.74 0.94
1.26 4K Write 1.67 2.1
0.34 4K Mixed 0.7 1.1
139% 1.03 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
722GB free
Firmware: CCA3
SusWrite @10s intervals: 127 128 129 128 129 129 MB/s
Read 108
Write 122
Mixed 62.2
SusWrite 128
77% 105 MB/s
4K Read 0.9
4K Write 1.7
4K Mixed 1
180% 1.2 MB/s
661GB free
Firmware: CC14
SusWrite @10s intervals: 117 118 118 118 119 119 MB/s
Read 118
Write 123
Mixed 63.3
SusWrite 118
77% 105 MB/s
4K Read 0.8
4K Write 1.7
4K Mixed 1
176% 1.17 MB/s
739GB free
Firmware: CCA3
SusWrite @10s intervals: 111 113 113 111 113 114 MB/s
Read 102
Write 97.5
Mixed 63.7
SusWrite 112
69% 94.1 MB/s
4K Read 0.9
4K Write 1.3
4K Mixed 0.9
162% 1.03 MB/s
275GB free
Firmware: CC14
SusWrite @10s intervals: 93 94 94 96 95 96 MB/s
Read 96
Write 92.5
Mixed 58.7
SusWrite 94.6
63% 85.4 MB/s
4K Read 0.9
4K Write 2
4K Mixed 1
186% 1.3 MB/s
121GB free
Firmware: CC14
SusWrite @10s intervals: 98 100 98 101 100 100 MB/s
Read 89.7
Write 84.3
Mixed 60.5
SusWrite 99.3
61% 83.4 MB/s
4K Read 0.9
4K Write 1.8
4K Mixed 1
182% 1.23 MB/s
195 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 17,689,476 HDDs tested.

Typical ST31000521AS 1TB Builds (Compare 6,950 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 55%
Yacht
Desktop
Desktop 55%
Yacht
Workstation
Workstation 44%
Speed boat

Motherboard: Asus CROSSHAIR V FORMULA-Z - $220

EDIT WITH CUSTOM PC BUILDER Value: 75% - Very good Total price: $747

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.

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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) June 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 $355Nvidia GTX 1070 $335Samsung 850 Evo 250GB $84
AMD Ryzen 5 2600 $143Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $100
AMD Ryzen 7 2700X $274Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $97
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 64GB $45
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $646SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $85SanDisk Ultra Fit 32GB $12
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