Product Model:LRNV9547LP-2I
Product Name:PCIe 3.0 x8 to Dual M.2 NVMe SSD Adapter
Chipset: Nroadcom PLX 8747
Interface Type:2x M.2 Connectors
Support Equipment: 2*M.2 NVMe SSD for 2242,2260,2280 and 22110mm
Host Bus Type: PCIe 3.0 x 8
Special: The chipset supports bifurcation (PCI-E x4 & PCI-E x4 split) which gives you the full speed of the available PCI-E lanes, based on the assumption that you mainboard doesn't support bifurcation .