CMS 2GB (1X2GB) DDR2 5300 667MHZ NON ECC SODIMM Memory Ram Upgrade Compatible with Lenovo® Thinkpad R61 Notebook Series - A38 - Walmart.com
Lenovo ThinkPad R61 15" Laptop Intel Core 2 Duo 2GB RAM 80GB HDD Windows 7 | eBay
2GB 2X1GB Memory RAM for Lenovo ThinkPad R61 Series DDR2 SO-DIMM 200pin PC2-5300 667MHz Black Diamond Memory Module Upgrade System Specific Memory - Newegg.com
IBM Thinkpad T61 RAM Replacement - iFixit Repair Guide
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
Lenovo ThinkPad R61 15" Laptop- 1.8 GHz Intel Core 2 Duo, 4GB RAM, Hard Drive or Solid State Drive, Win 7 PRO
OFFTEK 2GB Replacement Memory RAM Upgrade for IBM-Lenovo ThinkPad R61 (8933-xxx) (DDR2-5300) Laptop Memory at Amazon.com
LENOVO THINKPAD R61 Intel Core 2 Duo 3GB RAM 160GB HDD WIFI LINUX MINT | eBay
2GB [1x2GB] Memory RAM Upgrade for the Lenovo ThinkPad R61, R61e, R61i Laptops | eBay
Upgrading RAM in the ThinkPad R61 - YouTube
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