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 (
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Intel Xeon L5640 2.26 GHz Six Core (595728-L21) CPU Processor | eBay
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Intel Xeon L5640 2.26ghz 12mb 5.86 Gt/s Slbv8 Lga 1366 Server Cpu - Laptop Repair Components - AliExpress