Will a M+B key 8x Sata card work in a M key socket?

m2 sata slot   Dan m2 expansion slot

ANY ' or SATA DRIVES most 420s do NOT have slot others added PCI-e card with slot and boots if reading all

Legacy SATA: Used for SATA SSDs, and interfaced through the AHCI driver and legacy SATA port exposed through the connector PCI Express So if you try to use a PCI-E drive in a SATA-only slot it will not function correctly PCI-E drives should really be

mystery mine slot Adapter – 3 Port – 1 x PCIe – 2 x SATA III – SSD PCIE Adapter – M2 SSD – PCI Express SSD Adapter – 3 Port – 1 x PCIe – 2 x SATA III – SSD PCIE Adapter – M2 SSD – PCI Express SSD