The cost per SSD is PCI-e 3.1 x4 channels, not the entire PCI-e 3.1x8. (The final speed depends on the PCI-e bandwidth of SSD and Mobo). Hardware RAID is not supported. 2x SSD mounting screws. Color: black.
U.2 SSD to PCIe X8 Adapter PCIE 4.0 to Dual 2x U.2 SFF-8639 Disk Riser Card
PCIE to M.2 Adapter M.2 SSD to PCIEX4 X8 X16 Expansion Card PCIE Dual-Bay
Mini PCIE Wireless Network Card to PCIe X8 Extender Cable Mini-Pcie Male to PCI-
M.2 NGFF Key A+E to PCIe X8 Extender Cable M.2 to PCI-E 8X Female Riser Cable fo
PCIE X8 90 Degree Reverse Male to Female Risers Board Adapters Risers Card PCIE
