Average Bench: 46.7% (393rd of 984)

Based on 1,442 user benchmarks.  Models: ST3500620AS, ST350062 ST3500620AS, ST350062 0AS

Below average average bench

The Seagate ST3500620AS 500GB averaged 53.2% 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 0.29MB/s
Avg. Sequential Read Speed 82.4MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Seagate ST3500620AS 500GB is 25.7%. This is a relatively narrow range which indicates that the Seagate ST3500620AS 500GB performs reasonably consistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 64.9MB/s
Avg. 4K Random Write Speed 0.98MB/s

Average Bench

(Based on 1,442 samples)
Min Avg Max
52.5 Read 82.4 102
53.1 Write 80.5 103
24.9 Mixed 64.9 94.7
56.8% 75.9 MB/s
Min Avg Max
0.16 4K Read 0.44 0.66
0.43 4K Write 0.98 1.57
0.13 4K Mixed 0.29 0.45
69% 0.57 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
465GB free
Firmware: HP12
Read 105
Write 109
Mixed 105
80% 106 MB/s
4K Read 0.65
4K Write 1.43
4K Mixed 0.46
105% 0.85 MB/s
392GB free
Firmware: DE12 Max speed: SATA 2.0 300 MB/s
Read 94.6
Write 100
Mixed 89.5
71% 94.7 MB/s
4K Read 0.52
4K Write 0.97
4K Mixed 0.31
74% 0.6 MB/s
372GB free
Firmware: HP26 Max speed: SATA 2.0 300 MB/s
Read 95.3
Write 90.8
Mixed 77.6
66% 87.9 MB/s
4K Read 0.18
4K Write 0.19
4K Mixed 0.12
24% 0.16 MB/s
453GB free
Firmware: DE12 Max speed: SATA 2.0 300 MB/s
Read 90
Write 87.2
Mixed 76.8
64% 84.7 MB/s
4K Read 0.57
4K Write 1.57
4K Mixed 0.48
106% 0.87 MB/s
370GB free
Firmware: SD25 Max speed: SATA 2.0 300 MB/s
Read 89.1
Write 75
Mixed 68.2
58% 77.4 MB/s
4K Read 0.5
4K Write 0.94
4K Mixed 0.32
74% 0.59 MB/s
97GB free
Firmware: DE12 Max speed: SATA 2.0 300 MB/s
Read 53.8
Write 60.6
Mixed 23.5
34% 46 MB/s
4K Read 0.36
4K Write 0.87
4K Mixed 0.24
58% 0.49 MB/s
1,442 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 7,164,537 HDDs tested.


AmazonUS $7317 mins
Send price feedback
Typical ST3500620AS 500GB Builds (Compare 459 builds) See popular component choices, score breakdowns and rankings.
Gaming 11%
Tree trunk
Desktop 28%
Workstation 15%
Tree trunk

System: Dell Inspiron 530

EDIT WITH CUSTOM PC BUILDER Value: 55% - Above average Total price: $175

Popular ST3500620AS 500GB systems:

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 (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - 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 highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.
Hard Drive Rankings (Price vs Performance) January 2018 HDD Rankings.

Welcome to our consumer Hard Drive comparison. We calculate effective speed which measures performance for typical consumers. Effective speed is adjusted by cost per GB to yield value for money. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top HDDs. Share your opinion by voting. [HDrivePro]


984 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 i7-7700K $280Nvidia GTX 1070 $139Samsung 850 Evo 250GB $90
AMD Ryzen 7 1700 $290Nvidia GTX 1060-6GB $95Samsung 850 Evo 500GB $140
Intel Core i5-7600K $210AMD RX 480 $400Samsung 850 Pro 256GB $110
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $205SanDisk Extreme 64GB $65
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $51Corsair Vengeance LPX DDR4 3200 C16 2x8GB $220SanDisk Ultra Fit 32GB $12
Today's hottest deals
User Guide  •  About  •  FAQs  •  @Email  •  Privacy  •  Developer Feedback