The internal drive will respond much quicker and be a bit cheaper as it
doesn't need a separate case.
It will also be somewhat more difficult to install and vulnerable to any
mechanical failures that may plague your computer

The external drive is portable and can be turned off to save power.
In either case, you're relying on mechanical drives for backup, and my
experience suggests that's not enough.
Supplement with Optical Media or Cloud backup if your data is important.

-------- Original Message --------
Subject: [PCBUILD] Internal vs External HD for backup
From: Tom Waddell <[log in to unmask]>
Date: Wed, October 13, 2010 6:36 pm
To: [log in to unmask]

I need to get an extra HD for backup. What is the difference between
getting an external USB HD and sharing it on a network or getting an
internal HD and sharing it?

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