This is just a post reagrding End of Life Support (Firmware/OS updates)
Please check the following link for your NAS. this will tell you if your NAS is EoL or still in support for Firmware Updates etc.
TS-EC1679U-SAS-RP EOL Discontinued 2018-03 (QTS 4.3.6) 2022-10
Unit is end of life - having issues installing any other ram than what came with the unit. Even using the same manufacturer ram that cam with teh unit but from 16gb to 32gb will not post
yep there is not any compatible memory except for QNAPs own brand.
See my post in this thread. Lots of issues with non-suitable ram Why are some operations so brutally slow? - #46 by Franklin