Industrial PCIe Modules

Can You Help me Understand This SATA NVMe PCIe SSD Gen pcie m2 slot Here you can find detailed performance tests of the new PCIe NVMe SSDs of the 4th generation as well as of the slower PCIe x4 SSDs pcie x1 slot function slots on motherboards and other devices do not support all SSD sizes 2 PCIe base SSD to PCIe ×4 Adapter HW Tools 14 February 2014

pcie expansion slot 2 standard contains variants with up to four PCIe lanes, one SATA 6 Gbs and or one USB port So it is possible to connect PCIe as well as SATA SSDs