2GB Memory RAM Upgrade for the Lenovo Thinkpad R61 Series, T60 Series, T61 Series, X60 Series and X61 Series Laptops (DDR2-667, PC2-5300, SODIMM) at Amazon.com
Komputerbay 2GB RAM Memory for the Lenovo Thinkpad R61 Series, T60 Series, T61 Series, X60 - Komputer Bay
ThinkPad X60: Slowest CPU (T1300) vs. fastest CPU (T7200) - YouTube
Arch Memory 2GB 200-Pin DDR2 667 MHz So-dimm RAM for Lenovo ThinkPad X60 Tablet 6364 Series at Amazon.com
Arch Memory 2GB 200-Pin DDR2 667 MHz So-dimm RAM for Lenovo ThinkPad X60 Tablet 6364 Series at Amazon.com
Thinkpad X60 I saved when it was being thrown away. Put in a spare SSD and some RAM and built Gentoo with moderate optimisations. Runs quite nicely! : r/Gentoo