CPUs that Support 40 Max PCI Express Lanes of CPU

37Intel Xeon E5-4603 CPU
38Intel Xeon E5-2699R v4 CPU
39Intel Xeon E5-2699A v4 CPU
40Intel Xeon E5-2699 v4 CPU
41Intel Xeon E5-2699 v3 CPU
42Intel Xeon E5-2698 v4 CPU
43Intel Xeon E5-2698 v3 CPU
44Intel Xeon E5-2697A v4 CPU
45Intel Xeon E5-2697 v4 CPU
46Intel Xeon E5-2697 v3 CPU
47Intel Xeon E5-2697 v2 CPU
48Intel Xeon E5-2695 v4 CPU