Average Bench: 52.2% (278th of 1015)

Based on 495 user benchmarks.  Models: ST9500620NS, ST950062 0NS

Average average bench

The Seagate ST9500620NS 500GB averaged 47.7% 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.


Avg. 4K Random Mixed IO Speed 0.94MB/s
Avg. 4K Random Write Speed 1.92MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Seagate ST9500620NS 500GB is 31.6%. This is a relatively narrow range which indicates that the Seagate ST9500620NS 500GB performs reasonably consistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 60.2MB/s
Avg. Sustained Write Speed 86.8MB/s

Average Bench

(Based on 495 samples)
Min Avg Max
56.4 Read 94.2 115
52.5 Write 91.2 112
31.2 Mixed 60.2 93.8
46 SusWrite 86.8 112
61.2% 83.1 MB/s
Min Avg Max
0.4 4K Read 0.83 1
1.3 4K Write 1.92 2.3
0.41 4K Mixed 0.94 1.2
174% 1.23 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
410GB free (System drive)
Firmware: AA09
SusWrite @10s intervals: 92 98 96 100 102 100 MB/s
Read 114
Write 106
Mixed 63.8
SusWrite 98.1
70% 95.3 MB/s
4K Read 0.9
4K Write 2.3
4K Mixed 1.1
202% 1.43 MB/s
424GB free (System drive)
Firmware: AA09
SusWrite @10s intervals: 76 81 80 68 79 82 MB/s
Read 87.2
Write 80.7
Mixed 56.9
SusWrite 77.7
56% 75.6 MB/s
4K Read 0.9
4K Write 2.1
4K Mixed 1
188% 1.33 MB/s
139GB free (System drive)
Firmware: FTA7
SusWrite @10s intervals: 60 58 22 49 64 69 MB/s
Read 89.7
Write 84.8
Mixed 54.9
SusWrite 53.8
52% 70.8 MB/s
4K Read 0.9
4K Write 1.9
4K Mixed 1.1
195% 1.3 MB/s
5GB free
Firmware: SN03
SusWrite @10s intervals: 57 56 56 57 55 55 MB/s
Read 54.5
Write 50.4
Mixed 40.4
SusWrite 56.1
37% 50.3 MB/s
4K Read 0.8
4K Write 1.5
4K Mixed 1
172% 1.1 MB/s
495 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 39,054,044 HDDs tested.

Typical ST9500620NS 500GB Builds (Compare 2,376 builds) See popular component choices, score breakdowns and rankings.
Gaming 4%
Tree trunk
Desktop 48%
Workstation 4%
Tree trunk

Motherboard: Intel H55

EDIT WITH CUSTOM PC BUILDER Value: 57% - Above average Total price: $149

Popular ST9500620NS 500GB 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) June 2021 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]


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.


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.
Intel Core i5-11400F $220Nvidia RTX 3070 $500Crucial MX500 250GB $49
Intel Core i5-11600K $259Nvidia RTX 3060-Ti $400Samsung 850 Evo 120GB $78
Intel Core i7-11700K $380Nvidia RTX 3080 $700Samsung 860 Evo 250GB $52
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $94SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback