NeweggBusiness - 4GB 2X2GB Memory RAM for Acer Extensa 5620 200pin 667MHz PC2-5300 DDR2 SO-DIMM Black Diamond Memory Module Upgrade
1GB RAM Memory for Acer Extensa 5230 Series Black Diamond Memory Module DDR2 SO-DIMM 200pin PC2-5300 667MHz Upgrade System Specific Memory - Newegg.com