Not a bad EOFY deal for your backups.
3 x WD Elements 3TB USB 3.0 Portable Hard Drive - Black
Add a $2 or more item so total is at least $350 for $50 off.
Advantages:
- Good price per TB.
- Portability
- instead of buying an 8TB for your back ups, get 3 of these and backup your systems in parallel. Much faster that way.
- 2.5 inch units rather than 3.5 inch brick that needs it's own power supply.
Link to HN Amex deal:
http://www.ozbargain.com.au/node/381616
Care to share more details? The bottle necks exist on both the source reading speed and destination write speed plus how good the USB controller is for stability. And how do you manage the split of backup files between multiple drives?