Samsung 980 PRO MZ-V8P500B - solid state drive - 500 GB - PCI Express 4.0 x4 (NVMe) | Dell USA
World's First PCIe 4.0 M.2 NVMe SSD Announced by Gigabyte - eTeknix
Quad NVMe PCIe Adapter, RIITOP 4 Port M.2 NVMe SSD to PCI-e 4.0/3.0 x16 Card with Fan for 2230/2242/2260/2280 SSD (PCI-e Bifurcation Required) - Newegg.com
KC3000 PCIe 4.0 NVMe M.2 SSD High-performance for desktop and laptop PCs - Kingston Technology