A-Tech 16GB (2 x 8GB) RAM for Lenovo THINKPAD X220 4294 | DDR3 1600MHz SODIMM PC3-12800 204-Pin Non-ECC Memory Upgrade Kit at Amazon.com
Amazon.com: Lenovo Thinkpad T430s 14in HD Business Performance Laptop Computer PC, Intel Dual Core i5-3320M up to 3.3GHz, 16GB Ram, 256GB SSD, DVD, Bluetooth, Windows 10 Professional (Renewed) : Electronics
2021 Used Lenovo Thinkpad X220 I7 2620m 4gb/8gb/16gb Ram Hdd/ssd 12,5"1366x768 Camera Win7 Diagnosis Computer Pc Tablet For Mb - Obd Adapter & Cable - AliExpress
My Lovely X220 in 2020 : r/thinkpad
x220 16gb upgrade complete : r/thinkpad
Ancient x220 freshly upgraded with 16GB RAM and started new career as a distro hopper. If you can't brake it, or sell it - use it! Also.... stickers ;) : r/thinkpad