Amazon.com: SAMSUNG 512GB M.2 2242 42mm PM991 NVMe PCIe Gen 4 x4 TLC SSD (MZALQ512HALU) for Dell HP Lenovo Laptop Ultrabook Tablet - Internal Solid State Drive (OEM New) : Electronics
x4 PCI Express to M.2 PCIe SSD Adapter - Drive Adapters and Drive Converters | Hard Drive Accessories | StarTech.com
MP600 CORE XT 4TB PCIe 4.0 (Gen4) x4 NVMe M.2 SSD
GLOTRENDS M.2 PCIe NVMe 4.0/3.0 Adapter with 0.12 Inch Thick M.2 Heatsink for M.2 PCIe SSD (NVMe and AHCI), PCI-E GEN4 Full Speed, Desktop PC Installation (PA09-HS) - Newegg.com
KC3000 PCIe 4.0 NVMe M.2 SSD High-performance for desktop and laptop PCs - Kingston Technology