4GB 2X2GB Memory RAM for Lenovo 3000 Series Laptop Y200 6469 200pin 667MHz PC2-5300 DDR2 SO-DIMM Black Diamond Memory Module Upgrade - Walmart.com
2GB RAM Memory for Lenovo 3000 Series Laptop V200 0764-xxx Black Diamond Memory Module DDR2 SO-DIMM 200pin PC2-5300 667MHz Upgrade System Specific Memory - Newegg.ca
10 yrs old laptop upgrade as cheap as possible (36€), Lenovo 3000 N200 (0769) - YouTube