https://top500.org/system/178996/
FusionServer CH140 V3 Cluster, Xeon E5-2680 v4/E5-2680v3 12C 2.5GHz, Infiniband FDR | TOP500
xeon e5 2680 v4
https://www.newegg.com/p/2NS-0006-3HEM5?Item=9SIBYWEKDT3371
Refurbished: HP Z840 Workstation 2x Intel Xeon E5-2680 v4 - 28 Cores 2.40 GHz 16GB RAM No GPU/ HDD/...
Buy Refurbished: HP Z840 Workstation 2x Intel Xeon E5-2680 v4 - 28 Cores 2.40 GHz 16GB RAM No GPU/ HDD/ OS with fast shipping and top-rated customer service....