Best Buy: SanDisk Ultra 1TB Internal SSD PCIe Gen 3 x4 NVMe SDSSDH3N-1T00-G25
Amazon.com: Samsung 970 EVO Plus SSD 1TB NVMe M.2 Internal Solid State Hard Drive, V-NAND Technology, Storage and Memory Expansion for Gaming, Graphics w/Heat Control, Max Speed, MZ-V7S1T0B/AM : Electronics
GIGABYTE NVMe SSD 1TB Key Features | SSD - GIGABYTE Global
Understanding M.2, the interface that will speed up your next SSD | Ars Technica