Amazon.com: Western Digital 4TB WD Red SN700 NVMe Internal Solid State Drive SSD for NAS Devices - Gen3 PCIe, M.2 2280, Up to 3,400 MB/s - WDS400T1R0C : Electronics
Qnap's Tiny Portable NAS Crams in Four SSDs and Dual 2.5GbE | Tom's Hardware
WD Red™ SA500 NAS SATA SSD 500 GB to 4 TB 2.5”/7mm Cased | Western Digital