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OFFTEK 2GB Replacement Memory RAM Upgrade for Acer Aspire M5641-U5520A (DDR2-6400 - Non-ECC) Desktop Memory : Amazon.co.uk: Computers & Accessories
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Specs Acer Aspire M5641 Intel® Core™2 Quad Q8300 4 GB DDR2-SDRAM 1.28 TB NVIDIA® GeForce® 9600 GS Windows Vista Home Premium Tower PC PCs/Workstations (91.ESR7P.TBP)
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