You can use any of the following NETGEAR ReadyNAS Series:
- ReadyNAS Pro Series - http://www.netgear.com.au/business/products/storage/readyNAS-profam/
The service has been officially tested and is supported with:
- ReadyNAS PRO 6
- ReadyNAS PRO 4
- ReadyNAS PRO 2
The following series are NOT supported:
- NV / NV+
- Duo
- ReadyData
- Sparc / other non-x86 architecture devices