The card transmits PCI Express signals using the 4X pcie protocol. This convertor expands the system by one MCIO interface. It can be connected e. g. one SSD by using an optional cable.
Industry standards: Support for SAS 3.0 / 4.0, PCIe Gen 3/4/5, 25G Ethernet, and 56GT/s PAM4 means that you can trust that your equipment will perform at optimal levels without any signal loss or degradation.
Specification: Data transfer rate up to 64 Gbps, Bootable, ex UEFI version 2.3. 1 Supports NVM Express (NVMe) 1.2
System requirements: Linux Kernel 4.3 or above Windows 8.1 / 8.1 -64/10/10-64 A free pci-e interface with 4x/8x/16x