NGFF M.2 To PCI-E 4X Hard Drive Converter Reader Compatible with X1 X4 X8 X16 PCI-e Interface Adapter Card Static Bag Packaging. The main function of this adapter card is to convert the NGFF interface into a PCI-E interface, enabling M.2 port to PCIE expansion. This adapter card comes in an anti-static bag to protect the product from electrostatic damage. The sata power riser has dimensions of 22x80mm, which comply with the specifications for the M.2 interface standard. This sata power riser is compatible with various motherboards and devices that support PCI-E X4 slots.