Dima on Twitter: "Alright, AX200 is installed on ThinkPad X220. To make it possible you want to: 1. Buy an M.2 NGFF to mPCIe adapter 2. Buy MFH4 (female) to IPEX/UFL (male)
Lenovo Thinkpad X220 - How to upgrade RAM and the hard drive - YouTube
Lenovo ThinkPad X220, X220i, X230, X230i Series Laptop 2.5 SSD Solid State Drive 120GB Replacement : Amazon.co.uk: Computers & Accessories
Finally upgraded the RAM in my X220 : r/thinkpad
Amazon.com: 2nd HDD SSD Hard Drive Optical Bay Caddy Adapter for Lenovo Thinkpad T400 T410si T410i T420si T430si and x200 x201 x220 UltraBase : Electronics
Installing a mSATA SSD into my ThinkPad X220 – Ioannis Karagiorgos blog
Lenovo ThinkPad X220 SSD Upgrade - YouTube
SSD Upgrade for Lenovo ThinkPad X220 256GB/512GB/1TB/2TB | eBay
beefed-up x220 w/ a new IPS display and SSD/RAM upgrade :D (my first TP and i'm loving it.) : r/thinkpad