The NAS machine I built has 64 GB of DDR4 RAM. Since I'm not using it anymore, I can try to see if those RAM cartridges will work on my Linux desktop machine. Then I would have 96 GB of RAM.
My Linux desktop machine is a System76 Thelio Major. The last time I tried to open the chassis to clear the CMOS battery, I had to pry it open, and this damaged it, because they used some super sticky adhesive on it. I have since sent the machine back to them to repair an issue with the power supply under warranty and they replaced the damaged chassis at no extra charge.
I honestly don't see the point of the super sticky adhesive, since the chassis is held in place by screws anyway, but maybe this time I can try to open it with Zen-like care instead of brute force. Maybe there is some substance that would loosen the adhesive?