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Dual NVMe M Key to PCI-E 4.0 16X Adapter Card Support for PCIe x8x4x4 Bifurcation Motherboard

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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.; Motherboard Requirement: Motherboard can support PCIe x16 Bifurcation itself, and can be set as"PCI-e x8x4x4" in BIOS.Such as compatible with X299, X399.; SSD Requirement: All of the SSDs are M.2 PCI-e (M Key) NVMe SSD. CPU has enough channels to support. There is available PCI-e 4.0 or 3.0 x16 Slot on M/B.; Compatible with M.2 PCI-e NVMe SSDs in 2230 2242 2260 2280 22110 sizes. Not support any M.2 (SATA-Based B+M Key) SSD.; 2-Port NVMe PCIe Adapter does not Support Hardware Raid, only supports the formation of soft raid in Win10 , or you may build raid via Third-party Software, and 2 SSDs should be same model.

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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.;
Motherboard Requirement: Motherboard can support PCIe x16 Bifurcation itself, and can be set as"PCI-e x8x4x4" in BIOS. Such as compatible with X299, X399.;
SSD Requirement: All of the SSDs are M. 2 PCI-e (M Key) NVMe SSD. CPU has enough channels to support. There is available PCI-e 4.0 or 3.0 x16 Slot on M/B.; Compatible with M. 2 PCI-e NVMe SSDs in 2230 2242 2260 2280 22110 sizes. Not support any M. 2 (SATA-Based B+M Key) SSD.; 2-Port NVMe PCIe Adapter does not Support Hardware Raid, only supports the formation of soft raid in Win10, or you may build raid via Third-party Software, and 2 SSDs should be same model.

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First Listed on Newegg	July 23, 2026

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Return for refund within: 30 days
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Item#: 9SIC7CDM256187