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 (
Intel Intel Xeon L5640 Computer Processors (CPUs) for sale | eBay
Used Intel Xeon L5640 2.26GHz 12MB 5.86 GT/s SLBV8 LGA 1366 Server CPU|cpu fans and heatsinks|cpu fsbcpu card - AliExpress