This PCI Express card expands the PC with an M.3 / NF1 (NGSFF) slot for NVMe SSDs. On the card a M.3 module with 110mm length and 30mm width can be attached. To the better cooling own the conductor plate, which under M.3 NVMe SSD. This makes it possible to attach an optional heat sink also on the underside of the SSD.
Related links to "M.3 - PCIe x4 Adapter Board"