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CMS 4GB (1X4GB) DDR2 6400 800MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Business Desktop Dc7900 Ultra Slim Desktop - A42 at Amazon.com
![My latest acquisition, a HP Compaq DC7900 ultra slim. Core 2 duo E8400, 2GB ddr3, 160gb hdd, originally with vista, I downgraded to XP pro SP2 : r/windowsxp My latest acquisition, a HP Compaq DC7900 ultra slim. Core 2 duo E8400, 2GB ddr3, 160gb hdd, originally with vista, I downgraded to XP pro SP2 : r/windowsxp](https://external-preview.redd.it/H-AqTyTDdQxv8NiwSzitwPhStOeK99-_bexWpSNNzUQ.jpg?auto=webp&s=e7ab531d4632690daa3bdd7d4e3fc45e6aa72942)
My latest acquisition, a HP Compaq DC7900 ultra slim. Core 2 duo E8400, 2GB ddr3, 160gb hdd, originally with vista, I downgraded to XP pro SP2 : r/windowsxp
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