I built a box (Will post pics later) and I am putting 3 to 5 WD 500GB SATA HD's in it. Speed not an issue.
1 = Time Machine
2 = Time Machine Backup
3 = Files / Misc.
4 = Files / Misc. Backup
5 = ??????
or
1 = Time Machine
2 = Files / Misc.
3 = Files / Misc. Backup
The drives...