PCIe x8 Gen 4 for Bifurcated U.2 NVME Dual Port AIC
Amazon.com: PCIE to U.2 Adapter Card, PCIE X16 to 4 Port U.2 NVME SFF-8643/8639 Expansion Card, PCIE 4.0 U.2 Split Card with LED Indicator for Windows : Electronics
M.2 NVME SSD PCIe 4.0 Adapter – EZDIY-FAB
MB987M2P-1B_1 x M.2 NVMe SSD to PCIe 3.0/4.0 x4 Adapter with Heat Sink & PCIe Bracket
Amazon.com: AMPCOM M.2 NVME SSD to PCIe 4.0 Adapter Card, 64Gbps SSD PCIe4.0 X4 Adapter for Desktop PC, PCI-E GEN4 Full Speed : Electronics
Amazon.com: Hilitand M.2 NVME SSD to PCIe 4.0 Adapter Card, 4 Port M.2 NVMe to PCIE x16 Expansion Card for M Key NVMe SSD, 4 x 32Gbps Full‑Speed(ph44) : Electronics