TS-873A | AMD Ryzen™ quad-core 2.2 GHz 2.5GbE NAS supports M.2 NVMe SSD and PCIe expansion for adding 10GbE high-speed connectivity and M.2 SSD; QTS and QuTS hero dual operating system for
QNAP TS-531P-8G ts531p8g Ts-531p 8gb Ram Version Arm Based Nas Hw Encrypt Quad 1.4ghz.
Amazon.com: QNAP TS-464-8G-US 4 Bay High-Performance Desktop NAS with Intel Celeron Quad-core Processor, M.2 PCIe Slots and Dual 2.5GbE (2.5G/1G/100M) Network Connectivity (Diskless) : Electronics