Average Bench: 48.1% (360th of 984)

Based on 4,165 user benchmarks.  Models: ST3320418AS, ST332041 ST3320418AS, ST332041 8AS

Below average average bench

The Seagate ST3320418AS 320GB averaged 51.8% 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 0.42MB/s
Avg. 4K Random Write Speed 1.42MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Seagate ST3320418AS 320GB is 23.5%. This is a relatively narrow range which indicates that the Seagate ST3320418AS 320GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sequential Mixed IO Speed 62.2MB/s
Avg. Sequential Write Speed 83.6MB/s
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Average Bench

(Based on 4,165 samples)
Min Avg Max
58.6 Read 84 103
59.9 Write 83.6 102
22.9 Mixed 62.2 94.7
57.2% 76.6 MB/s
Min Avg Max
0.15 4K Read 0.51 0.73
0.45 4K Write 1.42 1.81
0.16 4K Mixed 0.42 0.62
94.9% 0.79 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
269GB free
Firmware: CC65 Max speed: SATA 2.0 300 MB/s
NCQ 7200 RPM 4KALIGNED S.M.A.R.T
Read 100
Write 98.8
Mixed 93.9
74% 97.6 MB/s
4K Read 0.71
4K Write 1.6
4K Mixed 0.6
126% 0.97 MB/s
270GB free
Firmware: CC66 Max speed: SATA 2.0 300 MB/s
SYSTEM NCQ 7200 RPM 4KALIGNED S.M.A.R.T
Read 93.7
Write 91.5
Mixed 85
68% 90.1 MB/s
4K Read 0.66
4K Write 1.54
4K Mixed 0.63
126% 0.94 MB/s
139GB free
Firmware: CC46 Max speed: SATA 2.0 300 MB/s
SYSTEM NCQ 7200 RPM 4KALIGNED S.M.A.R.T
Read 82.2
Write 87.4
Mixed 74.3
61% 81.3 MB/s
4K Read 0.14
4K Write 0.14
4K Mixed 0.05
14% 0.11 MB/s
74GB free
Firmware: CC66 Max speed: SATA 2.0 300 MB/s
SYSTEM NCQ 7200 RPM 4KALIGNED S.M.A.R.T
Read 82.3
Write 85
Mixed 39.8
51% 69 MB/s
4K Read 0.5
4K Write 1.61
4K Mixed 0.37
91% 0.83 MB/s
238GB free
Firmware: CC44 Max speed: SATA 2.0 300 MB/s
NCQ 7200 RPM 4KALIGNED S.M.A.R.T
Read 84
Write 79.5
Mixed 28.5
47% 64 MB/s
4K Read 0.56
4K Write 1.43
4K Mixed 0.28
81% 0.76 MB/s
104GB free
Firmware: HP34 Max speed: SATA 2.0 300 MB/s
SYSTEM NCQ 7200 RPM 4KALIGNED S.M.A.R.T
Read 79.6
Write 81.4
Mixed 70
58% 77 MB/s
4K Read 0.69
4K Write 1.61
4K Mixed 0.59
124% 0.96 MB/s
248GB free
Firmware: CC44 Max speed: SATA 2.0 300 MB/s
SYSTEM NCQ 7200 RPM 4KALIGNED S.M.A.R.T
Read 79.2
Write 77
Mixed 63.2
55% 73.1 MB/s
4K Read 0.68
4K Write 1.11
4K Mixed 0.37
90% 0.72 MB/s
129GB free
Firmware: CC38 Max speed: SATA 2.0 300 MB/s
NCQ 7200 RPM 4KALIGNED S.M.A.R.T
Read 66.6
Write 79.2
Mixed 82.7
58% 76.2 MB/s
4K Read 0.48
4K Write 1.35
4K Mixed 0.39
89% 0.74 MB/s
4,165 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 5,009,192 HDDs tested.

 Prices

AmazonUS $25.4016 mins ago.
EbayUS $51.515 mins ago.
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Typical ST3320418AS 320GB Builds (Compare 2,104 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 11%
Tree trunk
Desktop
Desktop 29%
Raft
Workstation
Workstation 14%
Tree trunk

Motherboard: Dell OptiPlex 780

EDIT WITH CUSTOM PC BUILDER Value: 45% - Average Total price: $79

Popular ST3320418AS 320GB compatible motherboards:

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Hard Drive Rankings (Price vs Performance) August 2017 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]

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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 i7-7700K $300Nvidia GTX 1070 $410Samsung 850 Evo 250GB $90
AMD Ryzen 7 1700 $280AMD RX 480 $265Samsung 850 Pro 256GB $118
Intel Core i5-7600K $220Nvidia GTX 1060-6GB $275Samsung 850 Evo 500GB $150
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45G.SKILL Trident Z DDR4 3200 C14 4x16GB $718SanDisk Extreme 64GB $45
Seagate Barracuda 3TB (2016) $77Corsair Vengeance LPX DDR4 3000 C15 2x8GB $140SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $57HyperX Fury DDR4 2133 C14 2x8GB $140SanDisk Ultra Fit 32GB $13
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