8-Port M.2 NVMe RAID Controllers Offer Up to 28,000 MB/s of Storage Bandwidth | Tom's Hardware
Shop | StarTech.com M.2 to SATA Adapter - Dual Slot - for 2.5in Drive Bay - RAID - M.2 SSD - M.2 Adapter - M.2 SSD Adapter (S322M225R) - storage controller (RAID) - M.2 Card - SATA 6Gb/s
Dual M.2 PCIe NVMe Adapter Without PCIe Splitter Function (PCIe Bifurcation Motherboard is Required), Support M.2 PCIe 4.0/3.0 SSD Soft RAID Setup in Windows/Linux
ASRock Ultra Quad M.2 Card Review - 4 x M.2 SSD RAID at 10GB/s and 932K IOPS | The SSD Review