Amazon.com: M.2 SATA PCI Express to SATA 3.0 6Gbps 6 Ports Adapter Converter, Uplink PCIE3.0 X2 16Gbps, Downstream SATA3.0 6Gbps x 5, for Thunderbolt Expansion : Electronics
NEW PCI Express 3.0 X2 USB 3.1 TYPE-E Card - Get 10Gbps Speed with Type-C
MEMPEK1W016GAXT Intel Optane Memory Series 16GB 3D Xpoint PCI Express 3.0 x2 NVMe M.2 2280
What is the difference between PCIe Gen 3 X2 and X4 SSDs? Can these two SSDs be used for laptops that support the PCIe interface? - Quora
StarTech.com SATA PCIe Card, 4 Port PCIe SATA Expansion card, 6Gbps SATA Card, Low/Full Profile, SATA Stacked Connectors, ASM1164 Non-Raid SATA Controller Card | www.shi.com