Copyng to external drives very slow since SSD installed

dhphoto

dhphoto

dhphoto

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Joined
9 Jan 2017
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10
I reinstalled my Win7 i7 pc using a Samsung 250GB SSD and all is running very well and quickly.

Except copying to my four external USB disks (two powered, two not) which run like complete slugs. They are generally copying camera RAW files from the original hard disk (which is now the data drive as the Windows files are now on the SSD). The copying used to be much much faster

Why would putting an SSD make this happen? Is this because the original hard disk is now slower as a second drive?

I have gone into the hardware settings and made sure the drives are set up for speed and not easy removal before someone mentions that, no difference

Obviously I have also tried different USB slots and cables too, plus disabling and enabling the Background Intelligent Transfer Service
 
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when you installed the SSD did you change the sata ports from IDE to ACHI in the bios?

when you re installed windows 7 did you have any other HDDs connected to the PC?

what speeds are you getting? you will not get SSD speeds copying over to a HDD as the HDD cannot reach the same speeds as the SSD can.
 
No I didn't change anything in the BIOS, except I installed the latest version

I merely used the spare SATA plug inside the desktop, added a power lead from the m/b and for the purposes of the reinstall disconnected the hard disk cables, I then used the system restore discs I had already made to reinstall to the SSD, then I reconnected the HD which is currently drive F: and seems fine

It works very well and internally backing up is fast, it's just to the external USB discs that is so slow

Edit: just checked the BIOS settings and it seems to have automatically set itself to ACHI, so that isn't it
 
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dhphoto said:
No I didn't change anything in the BIOS, except I installed the latest version

I merely used the spare SATA plug inside the desktop, added a power lead from the m/b and for the purposes of the reinstall disconnected the hard disk cables, I then used the system restore discs I had already made to reinstall to the SSD, then I reconnected the HD which is currently drive F: and seems fine

It works very well and internally backing up is fast, it's just to the external USB discs that is so slow

Edit: just checked the BIOS settings and it seems to have automatically set itself to ACHI, so that isn't it
Click to expand...
i had this problem and i did this

device manager

right click drive that is being written to(the slow transfer destination)

policies

uncheck "quick removal"

check "Better Performance" (enable write caching on the device should also be checked by default)

THIS DISABLES QUICK REMOVAL, SO DISCONNECT DRIVE VIA EJECT HARDWARE ICON IN BOTTOM RIGHT TASKBAR

(if it drops to zero again just wait it will come back), but my problem was transfers would start good and then drop to 0bytes, it may be worth a try.
 
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