8GB 2X4GB RAM Memory for Compaq Presario CQ58 Series Presario CQ58-200SQ Black Diamond Memory Module DDR3 SO-DIMM 204pin PC3-12800 1600MHz Upgrade System Specific Memory - Newegg.com
4GB RAM Memory for Compaq Presario CQ43 Series Presario CQ43-260LA Black Diamond Memory Module DDR3 SO-DIMM 204pin PC3-8500 1066MHz Upgrade System Specific Memory - Newegg.com