here's an example for a cpu-z link.
http://valid.canardpc.com/show_oc.php?id=1338142'>http://valid.canardpc.com/show_oc.php?id=1338142
you get it when you upload a validation file from cpu-z on their site (http://valid.canardpc.com/)
but a screenshot will do also fine for adding the cpu.
added
http://www.hwbot.org/hardware/processor/opteron_6272/
no, only wprime v 1.55 is allowed. it should work without problems.
you need to select the number of threads\cores of your system under "advanced settings" in wprime v1.55