SanDisk PC SN520 128 GB Internal Solid State Drive - PCI Express - M.2 2242 - Newegg.com
Western Digital SN520 256GB M.2 2280 NVMe SSD Drive – Electronics Outlet: Open Box New & NEW Electronics, TV's, Computers, Tablets, Printers and Networking Gear
WD PC SN520 Series 256GB TLC PCIe 3.0 x2 NVMe M.2 2230 OEM Internal SSD SDAPTUW-256G-1012 NGP80 - Star Micro Inc
Used - Like New: SDAPNUW-512G-1032_UA Western Digital PC SN520 512GB M.2 2280 Pcie 3.0 X2 Nvme SSD SDAPNUW-512G-1032 M.2 SSD / Solid State Drive - Newegg.com
Western Digital PC SN520 M.2 2242 256GB PCIe Gen3 x2 NVMe 1.3 64-layer 3D NAND Internal Solid State Drive (SSD) SDAPMUW-256G - Newegg.com