No RAM problem installing on a 4GB laptop as a test. I also upgraded the laptop from Core to Scale successfully. No pools or VDEVs added, just install / boot pool.
I just installed Core TrueNAS-13.0-U6.2 on an old laptop with 4GB of RAM. The first boot after install, choosing 4. Shutdown option and removing USB did error (couldn’t find boot?) but CTRL+ALT+DEL and it did a successful boot. Turned off computer for a few minutes and boots fine afterwards
Ancient Dell Inspiron 1525. Service Tag H8W82H1 From around 2009, per Dell service ending.
I just did the computer in my sig with TrueNAS-SCALE-24.04.2 a few days ago, fresh install. Only problem was …