CMS 2GB (2X1GB) DDR1 2700 333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with IBM Lenovo® Thinkpad R50E Notebook Series Ddr1-Pc2700 - A49 at Amazon.com
256MB RAM Memory for IBM ThinkPad R50e Series (Type 1842) Black Diamond Memory Module DDR SO-DIMM 200pin PC2700 333MHz Upgrade - Newegg.com
IBM Thinkpad R50e, Computers & Tech, Laptops & Notebooks on Carousell
Win XP Pro 1.5GB RAM 40GB | Ibm ThinkPad T41 14" Pentium M Laptop