OFFTEK 4GB Replacement Memory RAM Upgrade for IBM-Lenovo ThinkPad X220 (DDR3-12800) Laptop Memory at Amazon.com
Lenovo ThinkPad X220 Intel Core i5-2520M 2.50G 4GB RAM Windows 10 pro AC adapter | eBay
Is this a good laptop? ThinkPad x220 i7-2620M, 8 Gb ram, IPS screen. How to get 5 ghz WiFi and bluetooth 4 or 5 on it? Maybe some other useful upgrade? : r/thinkpad
8GB 2 x 4GB DDR3 Memory for Lenovo ThinkPad X220 X220i PC3-10600 1333MHz 204 pin SODIMM Laptop Notebook RAM (PARTS-QUICK Brand) at Amazon.com
Lenovo X220 Tablet - Core i5 2520m @ 2.50GHZ/4GB RAM/320GB HD/IPS/Win – The Mighty PC