CPUs that Support 40 Max PCI Express Lanes of CPU

25Intel Xeon E5-4620 v4 CPU
26Intel Xeon E5-4620 v3 CPU
27Intel Xeon E5-4620 v2 CPU
28Intel Xeon E5-4620 CPU
29Intel Xeon E5-4617 CPU
30Intel Xeon E5-4610 v4 CPU
31Intel Xeon E5-4610 v3 CPU
32Intel Xeon E5-4610 v2 CPU
33Intel Xeon E5-4610 CPU
34Intel Xeon E5-4607 v2 CPU
35Intel Xeon E5-4607 CPU
36Intel Xeon E5-4603 v2 CPU