M.2 PCIe X4 Adapter with M.2 Heatsink for M.2 PCIe 4.0/3.0 SSD
Should you buy a PCIe 3.0 or 4.0 SSD? | PCWorld
SAMSUNG 980 PRO M.2 2280 1TB PCI-Express Gen 4.0 x4, NVMe 1.3c Samsung V-NAND 3-bit MLC Internal Solid State Drive (SSD) MZ-V8P1T0BW - Newegg.com
US$ 9.45 - XT-XINTE M Key M.2 NVMe PCI-e SSD NGFF Type to PCIE PCI Express 3.0 4X Adapter Card with Heatsink for PC Laptop Support 2242 2260 2280 - m.xt-xinte.com