Low or "low" if we can 4 GB "low" RAM.
If not a too personal privacy intrusive a question, how much host RAM can you test this with? 4 GB, 8 GB, 16 GB, 32 GB? Less than 4 GB RAM? Does booting into live mode work and are VMs still startable? Multiple VMs?
Might be different
- Whonix-Host ISO Live vs
- Whonix-Host installed with grub-live mode