PU21 Dual U.2 SSD to PCIe 4.0 X8 Adapter, Support 2 x U.2 SSD or Soft Raid, Without PCIe Splitter Function (PCIe Bifurcation Motherboard is Required)

Dual U. 2 to PCIe 4.0
X8 Adapter: By installing 2 x U. 2 SSDs on this PCIe 4.0 X8 adapter, your computer will be able to access 2 x U. 2 SSDs at the same time.
Hardware Platform: Support Soft RAID in Intel/AMD platform, not support
Mac Pro 5.1 (Note: To set up Intel's RAID-on-CPU (VROC), you need to purchase your license). Set the PCIe Bifurcation mode of the corresponding PCIe slot in the BIOS, support X4X4X4X4 or X4X4X8 or Hyper M.
2 X16 mode (Note: Can not support X8X4X4 mode).
Important: Because this adapter does not support PCIe Bifurcation, it requires a motherboard that supports PCIe Bifurcation. Otherwise, only the Port-1 port can recognize the U. 2 SSD. Before purchasing, please check the PCIe expansion slot part of the motherboard manual on the motherboard manufacturer's website, or consult us directly