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AshD
 Post subject: HDD vs External Drive Speed
PostPosted: May 18th, 2016, 2:29 
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Joined: May 10th, 2016, 15:20
Posts: 16
Location: London
I just copied a large amount of date from my Seagate expansion desktop drive to a WD Blue HDD and it averaged a speed of around 100MB/s

I am now copying files from a WD Black HDD to the Seagate expansion drive and its only averaging under 1mb/s

Is this a normal speed for these drives? at this rate, its going to a very long time!
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fzabkar
 Post subject: Re: HDD vs External Drive Speed
PostPosted: May 18th, 2016, 2:42 
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Joined: September 8th, 2009, 18:21
Posts: 16960
Location: Australia
Could we see the Black's SMART report?

Is the drive running in PIO mode rather than DMA mode?

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AshD
 Post subject: Re: HDD vs External Drive Speed
PostPosted: May 18th, 2016, 6:57 
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Joined: May 10th, 2016, 15:20
Posts: 16
Location: London
fzabkar wrote:
Could we see the Black's SMART report?

Is the drive running in PIO mode rather than DMA mode?


Sorry I don't know much about drives. What program shall I use to get the smart report? Whats PIO and DMA?
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fzabkar
 Post subject: Re: HDD vs External Drive Speed
PostPosted: May 18th, 2016, 9:34 
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CrystalDiskInfo is a free SMART tool:
http://crystalmark.info/software/Crysta ... dex-e.html

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AshD
 Post subject: Re: HDD vs External Drive Speed
PostPosted: May 19th, 2016, 6:02 
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Joined: May 10th, 2016, 15:20
Posts: 16
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fzabkar wrote:
CrystalDiskInfo is a free SMART tool:
http://crystalmark.info/software/Crysta ... dex-e.html


The health status of the drive is fine. Is this different from running a full Smart scan?
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