StarTech.com Dual M.2 PCIe 4.0 x8 x16 to Dual NVMe or AHCI SSD (DUAL-M2-PCIE -CARD-B)
Amazon.com: Dual M.2 PCIE Adapter for SATA or PCIE NVMe SSD with Advanced Heat Sink Solution,M.2 SSD NVME (m Key) and SATA (b Key) 22110 2280 2260 2242 2230 to PCI-e x
Amazon.com: EZDIY-FAB NVME PCIe 4.0 Adapter, M.2 NVME SSD to PCI Express Adapter with Heat Sink, Only Support PCIe x16 Slot,Support M.2 SSD 2230 2242 2260 2280 : Electronics
Delock Products 64131 Delock M.2 Key M to PCIe x4 NVMe Adapter with 20 cm cable