first of all me a newbie to novell

i hav current nw6 server with gw6.5 on it
P4 .2.4ghz with 500mb SDRAM

i wish to change the sytem to a more powerful one.
is it support DDR?
and wat is the maximum HDD capacity it will support?
wats the best solution to take backup of the GW?

thnx in advnc