4GB RAM für Acer Extensa 5620, 5620Z SO-DIMM, 69,50 €
2GB DDR2-667 (PC2-5300) RAM Memory Upgrade for The Acer Extensa 5620-4020 (Genuine A-Tech Brand) at Amazon.com
Acer Extensa 5620 Disassembly video, upgrade RAM & SSD, take a part, how to open - YouTube
512MB Acer Extensa 5620 RAM Upgrade
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1GB RAM Memory for Acer Extensa 5620 Series Black Diamond Memory Module DDR2 SO-DIMM 200pin PC2-5300 667MHz Upgrade System Specific Memory - Newegg.com
NeweggBusiness - 4GB 2X2GB Memory RAM for Acer Extensa 5620 200pin 667MHz PC2-5300 DDR2 SO-DIMM Black Diamond Memory Module Upgrade