Amazon.com: GLOTRENDS Dual M.2 X4 PCIe Adapter for One M.2 PCIe SSD and One M.2 SATA SSD, Support OS Booting from M.2 PCIe SSD or M.2 SATA SSD, Including 2 x M.2
SSU PCI-E X4 to Dual NVMe PCIe Adapter,M.2 NVMe SSD to PCI-E X8/X16 Card Support M.2 (M Key) NVMe SSD 22110/2280/2260/2242 - AliExpress
Axagon PCIE NVME+NGFF M.2 SSD adapter fekete (PCEM2-D)