SAMSUNG 980 PRO M.2 2280 500GB PCI-Express SSD - Newegg.com
Gigabyte's new PCIe 4.0 M.2 Adapter is Capable of 15GB/s - ThinkComputers.org
x4 PCI Express to M.2 PCIe SSD Adapter - Drive Adapters and Drive Converters
2021 Type Universal PCIE 4.0 x16 To M.2 NVMe SSD Extension Cable Gen4 M2 Key M Riser Card Adapter With 4Pin Sata Power GPU Cable|Computer Cables & Connectors| - AliExpress
How fast is PCIe 4.0 NVMe vs PCIe 3.0 [BEST NVMe 2019]
Dual M.2 PCIe 4x Adapter for SATA or PCIe NVMe SSD with Heatsink, RIITOP M.2 SSD NVME (M Key) and SATA (B Key) 22110 2280 2260 2242 2230 to PCI-e x 4
The M.2 interface
PCIe 4.0: Everything you need to know, from specs to compatibility to caveats