How to upgrade the SSD in Lenovo's ThinkPad X1 Extreme (Gen 2) | Windows Central
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
Lenovo ThinkPad X1 Extreme Gen 4 Review: Bigger (Screen) Is Better | Tom's Hardware