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Lenovo ThinkPad T60 - CNET
Lenovo ThinkPad IBM R60 Laptop 15" Core Duo 1.66GHz 4GB RAM 160GB Windows 10 Home DVD
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4AllDeals 2GB RAM Memory Upgrade for The IBM Lenovo Thinkpad T60 and T60p Series Notebook Laptops (DDR2-667, PC2-5300, SODIMM) at Amazon.com
IBM ThinkPad 600 - Wikipedia
IBM Thinkpad T60 RAM Replacement - iFixit Repair Guide
1GB Stick for IBM Lenovo ThinkPad T Series T60 Type 8741 8742 8743 8744. SO-DIMM DDR2 Non-ECC PC2-5300 667MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com