OWC MISADPU2PCIE 2.5-inch U.2 SSD to PCIe Adapter at MacSales.com
OWC Accelsior 1A Apple Factory SSD to PCIe Adapter Card
Amazon.com: Sedna PCI Express (PCIe) SATA III (6G) SSD Adapter with 1 SATA III Port (with Built in Power Circuit, no Need SATA Power Connector, Best for Mac), SSD not Included :
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
Buy StarTech.com Dual M.2 PCIe SSD Adapter Card - x8 x16 NVMe or at Connection Public Sector Solutions
M.2 PCIe SSD to PCIe Adapter
Low-Profile M.2 NVMe SSD to PCIe 4.0 Adapter with Heat Sink for 1U - Micro Connectors, Inc.
M.2 PCIe SSD and M.2 SATA SSD Adapter Card with RGB LED Light and Heatsink Support 5V RGB 3-Pin Addressable (ARGB)
RIITOP PCI-e Nvme M.2 Adapter NVMe or AHCI M Key SSD to PCIe 3.0 x 4 C