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Seagate

ST3500820AS 500GB

▲ 500 ▼

Release date ≤ Q1 2014.

Average Bench: 47.6% (350th of 1015)

Based on 3,939 user benchmarks.  Models: ST3500820AS, ST350082 ST3500820AS, ST350082 0AS
Poor: 28%Average: 47.6% Great: 60%

Popular builds with this HDD

Below average average bench

The Seagate ST3500820AS 500GB averaged 52.4% 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 0.61MB/s
Avg. 4K Random Write Speed 1.27MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Seagate ST3500820AS 500GB is 32.6%. This is a relatively narrow range which indicates that the Seagate ST3500820AS 500GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sequential Write Speed 43.2MB/s
Avg. Sequential Mixed IO Speed 42.8MB/s
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Average Bench

(Based on 3,939 samples)
Rank 35047.6%
Min Avg Max
49.4 Read 84.6 107
10.2 Write 43.2 102
18.5 Mixed 42.8 54.3
30.3 SusWrite 81.1 107
46.2% 62.9 MB/s
Min Avg Max
0.4 4K Read 0.53 0.6
0.4 4K Write 1.27 1.9
0.3 4K Mixed 0.61 0.8
114% 0.81 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
342GB free
Firmware: SD25
SusWrite @10s intervals: 101 100 103 104 103 103 MB/s
59.7% Above average
Read 106
Write 12.9
Mixed 44.8
SusWrite 103
49% 66.5 MB/s
4K Read 0.5
4K Write 1
4K Mixed 0.5
95% 0.67 MB/s
465GB free
Firmware: SD81
SusWrite @10s intervals: 97 89 97 101 103 107 MB/s
57.9% Above average
Read 102
Write 13.7
Mixed 48.7
SusWrite 99.1
49% 66 MB/s
4K Read 0.6
4K Write 1.6
4K Mixed 0.9
155% 1.03 MB/s
466GB free
Firmware: SD81
SusWrite @10s intervals: 102 102 102 105 103 104 MB/s
57.7% Above average
Read 98
Write 13.4
Mixed 55.6
SusWrite 103
50% 67.5 MB/s
4K Read 0.6
4K Write 1.6
4K Mixed 0.7
132% 0.97 MB/s
466GB free
Firmware: SD25
SusWrite @10s intervals: 100 100 101 101 103 101 MB/s
56.4% Above average
Read 95.7
Write 13.7
Mixed 51.4
SusWrite 101
48% 65.4 MB/s
4K Read 0.4
4K Write 1
4K Mixed 0.5
91% 0.63 MB/s
11GB free
Firmware: SD25
SusWrite @10s intervals: 66 73 74 74 74 74 MB/s
41.6% Average
Read 72.5
Write 20
Mixed 44
SusWrite 72.6
39% 52.3 MB/s
4K Read 0.5
4K Write 1
4K Mixed 0.5
95% 0.67 MB/s
79GB free
Firmware: SD46
SusWrite @10s intervals: 61 62 62 63 61 62 MB/s
40.6% Average
Read 79.7
Write 78.7
Mixed 46.2
SusWrite 61.9
49% 66.6 MB/s
4K Read 0.5
4K Write 1
4K Mixed 0.5
95% 0.67 MB/s
3,939 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 40,750,488 HDDs tested.

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money.

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical ST3500820AS 500GB Builds (Compare 28,280 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 39%
Jet ski
Desktop
Desktop 77%
Battleship
Workstation
Workstation 32%
Sail boat

Motherboard: Gigabyte GA-A320M-S2H-CF - $65

CPU
Ryzen 3 3200GAMD  $196Bench 70%, 82,775 samples3,624x
Ryzen 3 2200GAMD  $104Bench 68%, 151,676 samples3,530x
Ryzen 5 2600AMD  $200Bench 76%, 682,921 samples3,264x
GPU
RX 570AMD  $150Bench 47%, 356,810 samples3,548x
RX 580AMD  $220Bench 54%, 782,613 samples2,325x
GTX 1050-TiNvidia  $155Bench 31%, 843,846 samples1,819x
SSD
A400 240GBKingston  $29Bench 66%, 307,480 samples1,440x
A400 120GBKingston  $30Bench 59%, 152,637 samples929x
Green 240GB (2018)WD  $38Bench 45%, 148,536 samples671x
RAM
Vengeance LPX DDR4 3200 C16 2x8GBCorsair  $74Bench 85%, 517,339 samples893x
Vengeance LPX DDR4 3000 C16 1x8GBCorsairBench 45%, 25,767 samples675x
DDR4 3000 2x8GBAdataBench 80%, 59,871 samples623x
EDIT WITH CUSTOM PC BUILDER Value: 75% - Very good Total price: $514

Popular ST3500820AS 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

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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.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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.
Hard Drive Rankings (Price vs Performance) September 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]

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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.

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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

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
What is queue depth?
What is 4K random write speed?
What is 4K random read speed?
What is AS SSD real world copy speed?
How big is 16GB?
What does MBps mean?
Hard Drives
What is the Hard Drive value for money rating?
What is effective Hard Drive speed?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $380Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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