This CPU is basically an OEM version of a, E5-2694 v4, same clock and core count, I don't know of any meaningful difference between the two CPUs. 4 Available for $99 each here Intel Xeon E5-2686 v4 SR2K8 2.30GHz 45MB 18-Core LGA2011-3 CPU Processor | eBay
$10-39 cheaper than a 2697 v4
$10-39 cheaper than a 2697 v4