OS for the computer\server for storing backups?

Question

Backup

Good day everyone!
Given: there is a computer with a first generation i5 and 4 GB of DDR3 non-ECC memory, 2 * 2Tb, 2 * 500 Mb hard drives, the mother supports raid. You need to get a piece of hardware on which backups will be merged and then stored
. FreeNas or Nas4Free or xpenology or could this be your option? Who implemented how, without having a storage system, tape drives and all sorts of ready-made nas-s in the economy?
And if you look towards FreeNAS, it is possible to get hold of ECC memory.

Answer 1

OS for the computer\server for storing backups?

Windows, Linux, you can even fry.

What OS or can you recommend something ready to be installed on all this economy?

Yes, no matter what is more convenient in this situation, see.

And if you look towards FreeNAS, it is possible to get hold of ECC memory.

Why is she there?

Answer 2

I put a bubunta in a similar situation and do not worry for the eighth year in a row.