NVMe vs : What's the difference?

The adapter card I am looking at can be used in a X4, X8 or X16 PCIe slot and they say I will get up to 32Gbps when it is plugged into a PCIe

2 is a specification for internal expansion cards on PC mainboards and notebook computers was conceived as an successor of the mSATA interface and for the

slot app win real money 2 SSD is a small form factor solid-state drive that internally mounted storage expansion cards use SSDs conform to a computer industry specification

slot 39 2 specification supports NVM Express as the logical device interface for PCI Express SSDs, in addition to supporting legacy Advanced Host Controller