SATA Express

SATA 3 connections are made by connecting a data cable and a power cable directly into the motherboard and the solid state drive itself An NVMe

If a PCIe gen 3 slot has been downgraded to PCIe gen 1 or 2 via BIOS your new card won't provide you with the bandwidth you need Also, I

sata 3 slot SATA is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives, optical drives,

sata m2 slot SATA ports should you plug an NVME in each of the sockets Worst case is use one of the 3 PCIe x16 slots for an add-in SATA controller card