Samsung 950 Pro M.2 Drive on a PCIe 2.0 slot Windows 10 - YouTube
PCI Express - Wikipedia
Ampcom M.2 Nvme To Pcie 4.0 X16 Adapter, Pcie X16 Gen4 Expansion Card With Aluminum Heatsink Case, For Samsung 980 Pro, 970 Evo - Add On Cards & Controller Panels - AliExpress
EZDIY-FAB NVME PCIe Adapter, M.2 NVME SSD to PCI Express Adapter with Heat Sink, Only Support PCIe x16 Slot,Support M.2 SSD 2230 2242 2260 2280 - Walmart.com
Amazon.com: MZHOU NVME M.2 SSD M Key to PCI-e 3.0 x1 Host Controller Expansion Card,Supports M2 NGFF PCI-e 3.0, 2.0 or 1.0, NVME or AHCI, M-Key, 2280, 2260, 2242, 2230 Solid State
Dell 1TB Self-Encrypting Opal 2.0 M.2 PCIe NVMe Class 40 SSD KXG6AZNV1T02 | Dell USA
Amazon.com: NVME PCIe x16 Adapter, Electop M.2 Key-M SSD to PCI 3.0 Express Expansion Card, Support 2230 /2242/2260 /2280 with Heat Sink, Compatible with Windows XP / 7/8 / 10 & MAC OS System : Electronics