Amazon.com: QNAP TVS-872XT-i5-16G-US 8 Bay Thunderbolt 3 NAS with 16GB RAM, 10GbE, M.2 PCIe NVMe SSD slots : Everything Else
Amazon.com: A-Tech 16GB (2 x 8GB) RAM for QNAP NAS Server TS-863U-4G | DDR3 1600MHz SODIMM PC3-12800 204-Pin Non-ECC Memory Upgrade Kit : Electronics
QNAP X53D NAS - 32GB (16GB x2) Crucial Memory Upgrade Test - YouTube
16GB (2X8GB) Memory Ram Compatible with QNAP NAS Servers TVS-873/e, TVS-873- 16G; TVS-873-64G; TVS-873-8G; TVS-873e-4G; TVS-873e-8G by CMS c109 - Computer Memory Solutions
QNAP TS-473A Quad Core 2.2Ghz 4-Bay NAS with 16GB RAM and 24TB (4 x 6TB) of Seagate Ironwolf NAS Drives Fully Assembled and Tested By CustomTechSales - Newegg.com
16GB - RAM - Accessories
parts-quick 16GB Memory for QNAP TVS-H1688X DDR4 ECC 3200 MHZ UDIMM RAM (Equivalent to QNAP RAM-16GDR4ECK0-UD-3200) at Amazon.com