NVMe PCIe M.2 NGFF SSD to PCIe x1 Adapter Card PCIe x1 to M.2 Card with Bracket PCI-E M.2 Adapter for 2230 2240 2260 2280 SSD M2 - AliExpress
MB839SP-B_2.5" SATA SSD/HDD to PCIe 2.0 x1 Hot-Swap Mobile Rack for PCIe Expansion Slots
PCI-E 3.0 x1 Lane to M.2 M-Key SSD Nvme AHCI PCI Express Adapter Card PCIE SSD | eBay
Amazon.com: ACTIMED PCI-E X1 to SATA 3.0 Controller Card, 2-Port SATA III 6Gbps Expansion Cards, Supports PCI-Express (1X 4X 8X 16X) Slot, Support SSD and HDD, for Windows10/7/8/XP/Vista/linux : Electronics
Should I use a cheap PCIe x1 to NVMe adapter? : r/truenas
Amazon.com: 2 Port M.2 SSD to PCI-e x1 adapter B or B+M key (SI-PEX40115) : Electronics
Amazon.com: ALIKSO M.2 NGFF PCIe 22110 SSD (NVMe & AHCI) to PCIe x1 Adapter Host Controller Expansion Card with Low Profile Bracket for PC Desktop,Supports M2 NGFF PCIe 3.0, 2.0 or 1.0 : Electronics
Adapter PCI-e x1 - M.2 NVMe on the example of SSD TLC V-Nand 256 GB Samsung PM981 MZ-VLB2560 - test - YouTube
Amazon.com: MZHOU PCI-E PCI Express to 1 SATA 3.0 to 1 Port M.2 NGFF SATA Adapter Card with Low Profile Bracket : Electronics
Delock Products 90349 Delock PCI Express x1 Card for 2 x SATA HDD / SSD
Amazon.com: GLOTRENDS M.2 PCIe X1 Adapter with M.2 Screw for M.2 PCIe 4.0/3.0 SSD (NVMe/AHCI Key M), PCIe X1/X4/X8/X16 Lane Installation, but Only PCIe X1 Bandwidth (PA09-X1) : Electronics