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Re: USB hard drives -- recommendations?

On Sun 03 Feb 2019 at 15:22:26 (+0500), Alexander V. Makartsev wrote:
> On 03.02.2019 15:01, Pascal Hambourg wrote:
> > Le 03/02/2019 à 10:10, Curt a écrit :
> >> On 2019-02-03, local10 <local10@xxxxxxxxxxxx> wrote:
> >>>
> >>> You may want to consider buying an USB HDD enclosure/cradle, like this
> >>> one[1] for example, they are cheap and would allow you to use a
> >>> regular internal HDD as a USB drive.
> >
> > Note that this solution may require an external power supply.
> It won't be necessary for 2.5" hard drives. Only 3.5" hard drives
> require +12V DC to function, which USB interface can not provide.
> >
> >> What's inside an external drive if not an internal drive?
> >
> > Sometimes, a drive with a native USB interface instead of a SATA
> > interface.
> >
> Are you sure about that? I think it won't be cost-effective to make an
> entirely new custom PCB for a hard drive that will have both SATA and
> USB controllers on-board.
> In my experience it is always a regular SATA hard drive plugged in to a
> SATA-to-USB adapter.
> The only problem with external disk drive enclosures from well known
> brands like WD or Seagate is they don't offer a way to open them e.g. to
> switch the disk drive inside.

Wouldn't that kill them? When I retired, I had more drives than I had
bays to put them in, so I bought a PATA caddy, the old-fashioned
equivalent of the above. (I'd never bought a drive out of my own pocket.)

Nowaday, youtube caters for USB disassembly, and devices like the above
cater for reuse of the result, and for the equivalent glut of spare
SATA drives as PCs are retired.