Ordered two Xeon L5640 processors for my R610, just to see what kind of power saving I could get. One of them came like this ( first photo). Got an replacement today (
IBM / Lenovo 49Y7054 - 2.26Ghz 5.86GT/s 12MB Cache LGA1366 Intel Xeon L5640 Hexa-Core CPU Processor - CPU Medics