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SeagateST9500420AS
SeagateST4000DM005
▲ 506 ▼

Release date ≤ Q4 2013.

VS
▲ 57361 ▼

Release date: Q3 2016.

Effective Speed 
+95%
Real World Speed
Performance profile from 81,685 user samples
Benchmark your HDD here
47,332 User Benchmarks
Best Bench: 58% 922GB free
Worst Bench: 18% 14GB free
Poor: 18% Great: 58%
SPEED RANK: 456th / 1015
34,353 User Benchmarks
Best Bench: 105% 3.5TB free
Worst Bench: 52% 2.5TB free
Poor: 52% Great: 105%
SPEED RANK: 64th / 1015
Effective Speed
Effective HDD Speed 		42.3 % 82.4 % Hugely faster effective speed.
+95%
Average Score 
+62%
Read
Avg. Sequential Read Speed 		74.6 MB/s 143 MB/s Hugely faster read speed.
+92%
Write
Avg. Sequential Write Speed 		72.3 MB/s 126 MB/s Much faster write speed.
+74%
4K Read
Avg. 4K Random Read Speed 		0.54 MB/s 0.66 MB/s Faster random read.
+22%
4K Write
Avg. 4K Random Write Speed 		0.97 MB/s 1.85 MB/s Hugely faster random write.
+91%
Mixed
Avg. Sequential Mixed IO Speed 		44.2 MB/s 65.1 MB/s Much faster mixed IO speed.
+47%
4K Mixed
Avg. 4K Random Mixed IO Speed 		0.65 MB/s 0.73 MB/s Faster random mixed IO.
+12%
SusWrite
Avg. Sustained Write Speed 		72.9 MB/s 145 MB/s Hugely faster sustained write speed.
+99%
Peak Score 
+49%
Read
Peak Sequential Read Speed 		101 MB/s 187 MB/s Hugely faster peak read speed.
+85%
Write
Peak Sequential Write Speed 		98.8 MB/s 169 MB/s Much faster peak write speed.
+71%
4K Read
Peak 4K Random Read Speed 		0.7 MB/s 0.7 MB/s
4K Write
Peak 4K Random Write Speed 		1.4 MB/s 2.2 MB/s Much faster peak random write.
+57%
Mixed
Peak Sequential Mixed IO Speed 		57.2 MB/s 77.2 MB/s Much faster peak mixed IO speed.
+35%
4K Mixed
Peak 4K Random Mixed IO Speed 		0.8 MB/s 0.9 MB/s Faster peak random mixed IO.
+12%
SusWrite
Peak Sequential Sustained Write 60s Average 		103 MB/s 187 MB/s Hugely faster peak sustained write speed.
+82%
Value & Sentiment 
+150%
Market Share
Based on 53,907,409 HDDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.09 % 0.13 % Much higher market share.
+44%
Value
Value For Money 		8.64 % 60.3 % Hugely better value.
+598%
User Rating
UBM User Rating 		50 % 57 % More popular.
+14%
Price
Price (score) 		$49 Much cheaper.
+55% 		$109
Nice To Haves 
+25%
Age
Newest 		131+ Months 98 Months More recent.
+25%
Specifications 
Capacity
Capacity 		500GB 4TB
Conclusion 
Average Bench 42.3%
Average Bench 82.4%

This is barely fast enough to be used as a hard drive to have games on  [Oct '19 evander321]

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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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  • Best user rated - User sentiment trumps benchmarks for this comparison.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.
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The Best
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Intel Core i5-12400F $111Nvidia RTX 4060-Ti $345WD Black SN850X M.2 1TB $80
Intel Core i5-13600K $209Nvidia RTX 4070 $500Crucial T700 M.2 4TB $350
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