QNAP TBS-453A-8G-US - 4-Bay M.2 SSD NASbook with built-in 4 port LAN switch (8GB version) - SMB - iComTech
Amazon.com: QNAP Dual M.2 SATA SSD to 2.5” SATA RAID Adapter Converter - 2 x M.2 2280 SSD to 3.5” SATA Adapter with RAID Support for PC and NAS. (QDA-A2MAR) : Electronics
QDA-A2MAR | Use two M.2 SATA SSDs in a single 2.5-inch SATA drive bay with RAID support for PC and NAS | QNAP
QDA-U2MP | Use two M.2 PCIe NVMe SSD in a U.2 PCIe NVMe SSD drive bay for PC and NAS | QNAP (US)