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
Lenovo-IBM R61 1.8 GHz Dual Core, Laptop/Notebook 4GB 250GB Windows 7 Home
4GB 2X 2GB Kit IBM/Lenovo Thinkpad R60/R60e/R61/R61/T60/T60p/T61/X60/X61 RAM IT EUR 15,85 - PicClick IT
IBM Thinkpad R61 4G RAM + 120G HD + 1280x800 Display + DVD, 電腦&科技, 手提電腦- Carousell
IBM Lenovo R60/R61pamięc RAM, IBM Lenovo R60/R61 upgrade RAM - YouTube
RAM Upgrades | ThinkPad R61 R-Series - max up to 8GB