X1 Extreme Expansion Opportunities - No Soldered RAM in this X1 - Every single X1 Extreme will accept 4TB NVMe + 64GB DDR4 RAM whenever you are ready regardless of what it
What does it mean for a laptop to have 8GB Onboard + 8 GB DIMM RAM? What exactly is the difference between onboard and DIMM? - Quora
Soldered-memory-IdeaPad-3-15ARE05 - English Community - LENOVO COMMUNITY
Tiny COM features Apollo Lake and soldered RAM
New ultra-rugged 11th Gen Intel Core congatec modules with soldered RAM | Elektor Magazine