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
CMS 8GB (2X4GB) DDR2 5300 667MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with IBM Lenovo® Thinkpad T61, T61P Ddr2 Pc5300 Sodimm - B116 at Amazon.com
Amazon.com: 2 GB – Memoria RAM de 2 GB para la serie de Lenovo ThinkPad R61, T60 Series, T61 Series, X60 Series y portátiles de la serie X61 (DDR2 – 667, PC2 – 5300, SODIMM) : Electrónica