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
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UGT-M2PC300R - Vantec Thermal Technologies
Quad M.2 NVME SSD to PCI-E 4.0 X16 Adapter, High Speed 4x32Gbps Soft Raid Card | eBay
4 NVMe PCIe RAID Adapter M.2 NVMe SSD to PCI-e 4.0 x16 Card Support M.2 (M Key) NVMe Expansion SSD 2280/2260/2242/2230 _ - AliExpress Mobile
Amazon.com: StarTech.com 2x M.2 NGFF SSD RAID Controller Card plus 2x SATA III Ports - PCIe - Two Slot PCI Express M.2 RAID Card plus Two SATA Ports (PEXM2SAT3422) : Electronics
Building a PCIe 4.0 RAID array is stupid fun | PCWorld
Amazon.com: Sedna - PCIe 4X - Quad 2.5 Inch SATA SSD RAID Controller Card ( RAID 0/1/10) Marvell HyperDuo Technology (with Built in Power Circuit, no Need SATA Power Connector) (SSD/HDD not Included) : Electronics
Pci Express 3.0 X16 To 4port M.2 Nvme Ssd Adapter Raid Card Vroc Riser Card Support 2230 2242 2260 2280 M.2 Nvme Ahci Ssd For Pc - Add On Cards & Controller Panels - AliExpress