Amazon.com: Sedna PCI Express (PCIe) SATA III (6G) SSD Adapter with 1 SATA III Port (with Built in Power Circuit, no Need SATA Power Connector, Best for Mac), SSD not Included :
4 Port M.2 NVMe SSD to PCIE X16M Key Hard Drive Converter Reader Expansion Card, 4 x 32Gbps Transfer Speed (PH44) - AliExpress
High-Speed 4 Port M.2 NVMe SSD to PCIE X16M Key Adapter Card with LED Indicators, 4 x 32Gbps Transfer Speed (PH44) - Walmart.com
Understanding M.2, the interface that will speed up your next SSD | Ars Technica
Which M.2 Slot Should You Use?
10 Port Dual M.2 NVME SSD to PCIe 3.0 X8 Adapter Disk Expansion Card 2 x 32Gbps | eBay
M.2 SSD Card 1x PCIe (NVMe) 2x SATA M.2 - SATA Controller Cards | Add-on Cards & Peripherals | StarTech.com Austria
How to install an SSD or HDD | Rock Paper Shotgun
Place for PCIE SSD but no port : r/MSILaptops
USB-C Hub, 6-Port Dock with M.2 SSD Slot - Sabrent
How to Install an NVMe M.2 SSD Hard Drive and Why You Should