ORICO PCI-E PCI Express 3.0 Gen3 X4 to M.2 M KEY SSD M2 Key Interface Card For PCI Express 3.0 x4 2230 2242 2260 2280 Size - AliExpress
M.2 NGFF SSD M Key NVME PCIe 3.0 x4 Card Adapter
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PCIe 3.0 x4 to 4x M.2 NVMe Adapter Card,IO-PCE2806-4M2 - PCIe - Storage Products - My web
Refreshed MacBook Pro's PCIe 3.0 x4 storage system is blazing fast | TechSpot
M.2 NVMe PCIe 3.0 x4 Adapter - Micro Connectors, Inc.