Used Intel Xeon E5-2699 V3 E5 2699V3 2699 2.3GHz 18-Core 36-Thread 45MB 145W CPU Processor LGA 2011-3 - AliExpress
Used Intel Xeon E5 2470v2 E5 2470 V2 2.4GHz Ten-Core Twenty-Thread CPU Processor 25M 95W LGA 1356 - AliExpress
For those cautious of parts from AliExpress. I have received both of these from the same seller, RE store. Both post, both identify correctly, all cores work and got them for 32
Used INTEL XEON E5 2690 V4 CPU Processor 14 Core 2.60GHZ 35MB L3 CACHE 135W SR2N2 LGA 2011-3 - AliExpress