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Main image of 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)

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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)

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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

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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

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First Listed on Newegg	June 04, 2026

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