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Seagate

ST3640323AS 640GB

▲ 500 ▼

Release date ≤ Q1 2014.

Average Bench: 52.2% (280th of 1015)

Based on 2,758 user benchmarks.  Models: ST3640323AS, ST364032 3AS, ST364032 ST3640323AS
Poor: 34%Average: 52.2% Great: 66%

Popular builds with this HDD

Average average bench

The Seagate ST3640323AS 640GB averaged 47.8% 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 0.77MB/s
Avg. 4K Random Read Speed 0.75MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Seagate ST3640323AS 640GB is 32.2%. This is a relatively narrow range which indicates that the Seagate ST3640323AS 640GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 50.3MB/s
Avg. Sequential Write Speed 62.4MB/s
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Average Bench

(Based on 2,758 samples)
Rank 28052.2%
Min Avg Max
56.3 Read 92.4 116
16.9 Write 62.4 113
37 Mixed 50.3 58.6
51.7 SusWrite 89.3 116
54.1% 73.6 MB/s
Min Avg Max
0.6 4K Read 0.75 0.8
1.2 4K Write 1.62 1.8
0.58 4K Mixed 0.77 1
146% 1.04 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
354GB free
Firmware: SD13
SusWrite @10s intervals: 90 92 93 94 94 94 MB/s
84.8% Excellent
Read 202
Write 22.1
Mixed 63.3
SusWrite 93.1
70% 95.2 MB/s
4K Read 0.8
4K Write 1.7
4K Mixed 0.7
143% 1.07 MB/s
148GB free
Firmware: SD35
SusWrite @10s intervals: 83 80 83 84 84 84 MB/s
70.7% Very good
Read 164
Write 20.9
Mixed 62.1
SusWrite 83
61% 82.4 MB/s
4K Read 0.8
4K Write 1.7
4K Mixed 0.8
154% 1.1 MB/s
590GB free
Firmware: CC1F
SusWrite @10s intervals: 113 115 111 114 114 116 MB/s
64% Good
Read 110
Write 107
Mixed 59.3
SusWrite 114
71% 97.4 MB/s
4K Read 0.7
4K Write 1.8
4K Mixed 1
174% 1.17 MB/s
481GB free
Firmware: CC1F
SusWrite @10s intervals: 110 110 110 109 110 110 MB/s
61.1% Good
Read 103
Write 102
Mixed 57
SusWrite 110
68% 93 MB/s
4K Read 0.7
4K Write 1.5
4K Mixed 0.9
157% 1.03 MB/s
267GB free
Firmware: SD13
SusWrite @10s intervals: 103 105 106 105 103 104 MB/s
58.5% Above average
Read 99.4
Write 92.5
Mixed 53.9
SusWrite 104
64% 87.5 MB/s
4K Read 0.7
4K Write 1.7
4K Mixed 0.8
150% 1.07 MB/s
596GB free
Firmware: SD1B
SusWrite @10s intervals: 81 86 82 90 84 86 MB/s
54.5% Above average
Read 104
Write 10
Mixed 19.4
SusWrite 84.6
40% 54.6 MB/s
4K Read 3.8
4K Write 1.3
4K Mixed 1
294% 2.03 MB/s
310GB free
Firmware: SD33
SusWrite @10s intervals: 81 93 93 95 95 96 MB/s
43.6% Average
Read 59.4
Write 52.7
Mixed 38.2
SusWrite 92.1
44% 60.6 MB/s
4K Read 0.8
4K Write 1.6
4K Mixed 0.6
130% 1 MB/s
63GB free
Firmware: CC1F
SusWrite @10s intervals: 65 67 66 66 66 66 MB/s
38.8% Below average
Read 68.9
Write 70.6
Mixed 47.7
SusWrite 65.9
47% 63.3 MB/s
4K Read 0.7
4K Write 1.4
4K Mixed 0.9
155% 1 MB/s
2,758 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 53,307,325 HDDs tested

 Prices

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AmazonUS $13414 mins
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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 ST3640323AS 640GB Builds (Compare 3,308 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 69%
Battle cruiser
Desktop
Desktop 87%
Aircraft carrier
Workstation
Workstation 58%
Gunboat

Motherboard: Asus MAXIMUS VIII RANGER - $286

CPU
Core i7-6700KIntel  $180Bench 81%, 588,978 samples1,761x
Core i5-6600KIntel  $81Bench 72%, 342,244 samples538x
Core i7-7700KIntel  $250Bench 84%, 712,312 samples274x
GPU
GTX 1070Nvidia  $132Bench 80%, 1,459,281 samples453x
GTX 1080Nvidia  $400Bench 102%, 1,082,454 samples348x
GTX 1060-6GBNvidia  $117Bench 56%, 1,368,019 samples242x
SSD
850 Evo 500GBSamsung  $109Bench 112%, 695,664 samples171x
850 Evo 250GBSamsung  $100Bench 103%, 951,591 samples160x
860 Evo 1TBSamsung  $129Bench 112%, 602,853 samples73x
RAM
Vengeance LPX DDR4 3000 C15 2x8GBCorsair  $43Bench 82%, 606,405 samples171x
Vengeance LPX DDR4 3200 C16 2x8GBCorsair  $40Bench 85%, 653,654 samples117x
Fury DDR4 2666 C15 2x8GBHyperX  $169Bench 83%, 37,519 samples99x
EDIT WITH CUSTOM PC BUILDER Value: 96% - Outstanding Total price: $750

Popular ST3640323AS 640GB compatible motherboards:

How Fast Is Your HDD? (Bench your build) Size up your PC in less than a minute

Welcome to our 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 value for money upgrades.

UserBenchmark of the month

Gaming Desktop ProGaming

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) April 2024 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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Speed Comparisons

vs Seagate Barracuda 1TB (2016)
vs WD Blue 1TB (2012)
vs Seagate Barracuda 2TB (2016)
vs Seagate Barracuda 3TB (2016)
vs Seagate Barracuda 7200.14 1TB
vs WD Black 1TB (2013)
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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 i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $134Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184Nvidia RTX 4070 $409Samsung 860 Evo 250GB $46
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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