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 (
X58 motherboard LGA1366 set kit with Intel xeon L5640 processor and 8Gb(2pcs*4GB) ECC DDR3 1333mhz 10600R RAM memory - AliExpress