advantage of multiprocessor and 64bit system architecture?

[goeuni]

Thank you for your prompt reply.

Would you tell me the advantage of multiprocessor than single processor in case of NAS or iSCSI?

[To-M]

We provide support for up to 32 processors also Dual and Quad cores when utilization is high on first processor load is spread over the others (typical up to 80% then utilize the other).