External Hard Drive Dock That Powers Off When Computer Powers Off


Can you please list some USB 3 Hard Drive Docks that will power off automatically when the computer powers off?

Thank you
Computer GuyAsked:
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Any that do not have external power supply?
some PC's have an USB port always power on - eg lenovo - with yellow color; that can be your problem
also this can help :
Go to Start > Control Panel > Power Options (if not visible change view to Large Icons at top right) > Change Plan Settings
 > Change Advanced Power Settings > Change settings that are currently unavailable > Set USB selective suspend setting to Disabled under USB settings and then click OK to save the changes.
 You may have to reboot.

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Gerald ConnollyCommented:
I am not sure if it's a standard ( de facto or not) but my Lenovo laptop has one always on USB-3 port, that has a blue tongue, the other 2USB ports have are black
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Thomas Zucker-ScharffSolution GuideCommented:
Have you looked at Stardock?
Computer GuyAuthor Commented:
They should have an external power supply.

Some links should be appreciated!
Thomas Zucker-ScharffSolution GuideCommented:
The Company is StarTech: http://www.startech.com/

I have this dock and love it!  It comes with an adapter for older drives as well.  http://www.startech.com/HDD/Docking/dual-sata-hdd-dock~SDOCK2U33

These do have an external power supply, so they do not automatically power off when the computer does, but I am not sure why you would want them to?
Computer GuyAuthor Commented:
Why does the drive need to be spinning when the computer is off?

I figure, though it has a button to turn the power off, why should I have to do it manually? What is the benefit of external AC vs not having external AC?
Gary CaseRetiredCommented:
".. I am not sure if it's a standard ( de facto or not) but my Lenovo laptop has one always on USB-3 port, that has a blue tongue, the other 2USB ports have are black " ==>  Nothing to do with this question; but just so you understand the difference, the color difference has nothing to do with whether or not the ports are powered when on/off ... the blue tongue means it's a USB v3 port;  the others are USB v2.
Gary CaseRetiredCommented:
I've used  LOT of different docks, and unfortunately have yet to see one that automatically powers itself on/off with the computer.    Fortunately most have very convenient power buttons, so it's not too much of a hassle, but I agree it'd be nice if they were automatic.

r.e. " ... What is the benefit of external AC vs not having external AC? " ==> aside from not having to run a power cable from inside the PC to the dock, it also gives the drives an independent power supply that doesn't add to the load on your PC's supply.
One can program drives to spin down when idle, actually laptop drives come like that from factory.
Thomas Zucker-ScharffSolution GuideCommented:
Just keep in mind though that more and more drives are SSD and therefore don't really spin at all.  For a long while I had one of my extra SSD drives in the dock alongside a 2TB 7200 RPM drive.  I have this dock at work and don't power it or my computers down.  The computers have been up and running (except for the times they are rebooted during a windows update) for between 2 and 5 years now.  The only reason they were down for any time at all was when I switched old computers out for new ones.

They consume very little power (I keep my home computer on all the time as well), although I sometimes turn off the monitors.  The convenience alone is worth it.  I often remote into my home computer to make sure everything is well - it is an older machine.

To the best of my knowledge, most harddrive failures occur during the time the platters are spinning up or down, since this causes the most stress to the device.  If you leave your computers on, I would think there would be less  of a chance of catastrophic failure.
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