Samsung 980 PRO 500GB Internal Gaming SSD PCIe Gen 4 x4 NVMe MZ-V8P500B/AM - Best Buy
Amazon.com: fanxiang S700 M.2 2230 500GB NVMe SSD PCIe 4.0 Internal Solid State Drive, Up to 4800MB/s, Compatible with Steam Deck and Surface Pro : Electronics
World's First PCIe 4.0 M.2 NVMe SSD Announced by Gigabyte | eTeknix