StarTech.com Dual M.2 PCIe 4.0 x8 x16 to Dual NVMe or AHCI SSD (DUAL-M2-PCIE -CARD-B)
Amazon.com: SAMSUNG 980 PRO SSD 2TB PCIe NVMe Gen 4 Gaming M.2 Internal Solid State Drive Memory Card + 2mo Adobe CC Photography, Maximum Speed, Thermal Control (MZ-V8P2T0B) : Electronics
Samsung 980 PRO MZ-V8P1T0B - solid state drive - 1 TB - PCI Express 4.0 x4 (NVMe) | Dell USA
Should you buy a PCIe 3.0 or 4.0 SSD? | PCWorld
M.2 PCie Adapter for M.2 NVMe SSD - GLOTRENDS
Amazon.com: Kingston FURY Renegade 1TB PCIe Gen 4.0 NVMe M.2 Internal Gaming SSD | Up to 7300 MB/s | Graphene Heat Spreader | 3D TLC NAND | Works with PS5 | SFYRS/1000G,
World's First PCIe 4.0 M.2 NVMe SSD Announced by Gigabyte | eTeknix