Amazon.com: ASUS Hyper M.2 X16 PCIe 4.0 X4 Expansion Card Supports 4 NVMe M.2 (2242/2260/2280/22110) up to 256Gbps for AMD 3rd Ryzen sTRX40, AM4 Socket and Intel VROC NVMe Raid: Computers & Accessories
SAMSUNG 980 PRO M.2 2280 500GB PCI-Express Gen 4.0 x4, NVMe 1.3c Samsung V-NAND 887276404271 | eBay
Samsung SSD 980 EVO PRO 500GB, M.2 PCIe Gen 4.0 x4, NVMe 1.3c Digital Storage
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The Samsung 980 PRO PCIe 4.0 SSD Review: A Spirit of Hope
Amazon.com: Inland Performance 500GB Gen 4.0 SSD PCIe NVMe 4 x4 M.2 2280 TCL 3D NAND Internal Solid State Drive, R/W Speed up to 4500MB/s and 2200MB/s, 850TBW, Backwards Compatible with PCIe