Do B450 Motherboads support PCI-E ?

2 GTs PCIe Gen2 4 GTs PCIe Gen3 8 GTs

For our lines of high-speed PCIe® NVMe® SSDs, the Crucial System Scanner and Crucial System Advisor will list all 1 GBs 2 GBs 4 GBs

m24 slot 3 - Real World und Workstation, 4

m2 slot pc is a slot that can interface with SATA , PCI Express