How to Upgrade the Memory(RAM) of NAS | Qnap Advanced Support
A-Tech 2GB Module for QNAP TS-x69 Pro x69L x69U TVS-x71 Series IS-400 Pro NAS Servers - DDR3 1600MHz PC3-12800 Non-ECC SODIMM 1.5V Memory RAM (Replacement for QNAP RAM-2GDR3-SO-1600)
How to upgrade the RAM on your QNAP NAS and which one to buy – NAS Compares
Upgrade RAM Memory for QNAP NAS
QNAP TS-269L as a ZurmoCRM Application Server Performance Report – Amigo's Technical Notes