Ujjdwiurgh Dual NVMe PCIe Adapter, PCIe 4.0 X16 to Dual NVMe & 1x More PCIe X16 (X8 Signal) Adapter for M.2 NVMe SSD Adapter

1. Dual NVMe PCIe Adapter can add 2x M.2 NVMe SSD Slot via PCIe 4.0 x16, but also expaind extra PCIe x16 slot (x8 Signal), which can use for expanding any other PCIe Device 3.Please note: 1. 2-Port NVMe PCIe Adapter does not Support Hardware , only supports the formation of soft in Win10 , or you may build via Software, and 2 SSDs should be same model 2.Compatible with M.2 PCI-e NVMe SSDs in all sizes:110x22mm, 80x22mm, 60x22mm and 42x22mm, 30x22mm; Not support any M.2 (-Based B+M Key) SSD; Motherboard Compatibility: Most Server and X299, X399 can support PCIe x8x4x4 Bifurcation 4.The motherboard need support "PCIe x8x4x4 Bifurcation", all of the slots works in full speed. If only supports "x4x4x4x4", the expanded PCIe x16 only have x4 signal. If does not support"PCIe Bifurcation", Only the PCIe x16 works, None M.2 SSD can be recognized. 5.Please check Motherboard's user manual on its official website if you are not sure the can support