Amazon.com: Western Digital 500GB WD Blue SN570 NVMe Internal Solid State Drive SSD - Gen3 x4 PCIe 8Gb/s, M.2 2280, Up to 3,500 MB/s - WDS500G3B0C : Electronics
Samsung 980 500GB Internal Gaming SSD PCIe Gen 3 x4 NVMe MZ-V8V500B/AM - Best Buy
Samsung 980 SSD 500GB M.2 NVMe Interface PCIe 3.0 x4 Internal Solid State Drive with V-NAND 3 bit MLC Technology - Micro Center
WD Blue 3D NAND 500GB Internal SSD - SATA III 6Gb/s SSD - Newegg.com