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
PCEM2-1U PCIe NVMe M.2 adapter | Axagon
Understanding M.2 RAID NVMe SSD Boot and 2/3x M.2 NVME SSD RAID0 Tested | The SSD Review