[arborphile]

I want to buy a 2nd HDD for data backup. I have a 250GB HDD as my main. I probably don't need another 250GB drive for backup as all the app install files and operating system files etc don't need backing up. Would a 160GB HDD be enough?

Thanks
Arb

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Depends how much space you need, and how much you have to spend on one. Hard drives are dropping in price now, a lot you might as well get a big one as it will work out better in the long run.

[SuperSam]

Depends how much space you need, and how much you have to spend on one. Hard drives are dropping in price now, a lot you might as well get a big one as it will work out better in the long run.

[Neil Jones]

If all you want to do is backup documents and email, a 40Gb would probably suffice, considering 90% of files on the computer will get replaced as and when you reinstall Windows and the programs. It does depend how much data you have though, but if you have more than 40Gb of data already, you should already have a backup plan for it.