Lenovo ThinkPad X270 12.5" Laptop, i7-6600U, 8GB Ram, 1TB SSD, Windows 10 Pro | eBay
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 X270 Disassembly and RAM, SSD and HDD upgrade options - MyFixGuide.com