Synology 4-bay DiskStation DS423+ (Diskless) Desktop NAS - Newegg.com
Synology DiskStation DS720+ NAS Server for Business with Celeron CPU, 6GB Memory, 1TB M.2 NVMe SSD, 4TB SSD Storage, Synology DSM Operating System - Walmart.com
Pro Endurance 256GB M.2 2280 PCIe (3.0 x4) NVMe Solid State Drive for Synology NAS Systems DS918+
Synology NAS and M.2 NVMe SSD Storage Pools – FINALLY! – NAS Compares