Will an original Intel heatsink/fan for an LGA1156 i7 860 work for an LGA2011 i7 3820? Got new CPU today. Getting new motherboard tomorrow. Need to know if I need to pick up a new heatsink/fan also.

However, when counting the pins, you will realize that the 2011, 2011-1 and 2011-3 actually have different pin counts. As far as I understand, all these sockets fit physically with the CPUs, i.e. you ...