ps: If you go back several pages in this thread, you will see
m471a1k43cb1-ctd 8gb ddr4 2666mhz
mentioned as not working, but that was, I believe, before TM policy change on 3rd party RAM. You may just have to try it and see.
How to add RAM module to TerraMaster NAS
Re: How to add RAM module to TerraMaster NAS
F5-221 5.1.123, 8GB System Partition on 3 x 4TB Traid; 3TB EXT4
F2-221 TOS6 (Beta), 8GB System Partition on 2 x 6TB in Traid. (Latest Update 11/04/24)
F2-221 TOS6 (Beta), 8GB System Partition on 2 x 6TB in Traid. (Latest Update 11/04/24)
Re: How to add RAM module to TerraMaster NAS
If it is still of any interest here, I can confirm that
Sk hynix 4 GB DDR4-3200 is running without any problems in my F4-423 !
Sk hynix 4 GB DDR4-3200 is running without any problems in my F4-423 !