2GB DDR2 SO-DIMM Upgrade for Acer Aspire Notebooks 5100-3583 5100-5674 5110 5520 5520G Notebook PC2-5300 Computer Memory (RAM) 2GB DDR2 SO-DIMM Upgrade for Acer Aspire Notebooks 5100-3583 5100-5674 5110 5520 5520G Notebook PC2-5300 Computer Memory (RAM)