Having a TR 2970WX at work with the same issue. You must just disable the lower C-states, freezing the machine when coming up from sleep. At home I've had a 39

Having a TR 2970WX at work with the same issue. You must just disable the lower C-states, freezing the machine when coming up from sleep. At home I've had a 3950x now for about six months and no such issues with the CPU at all. It just works and runs nicely. No freezes, no problems.