4GB RAM Memory for Compaq Presario CQ43 Series Presario CQ43-101AU Black Diamond Memory Module DDR3 SO-DIMM 204pin PC3-8500 1066MHz Upgrade System Specific Memory - Newegg.ca
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.ca
CMS 8GB (2X4GB) DDR3 10600 1333MHZ NON ECC SODIMM Memory Ram Upgrade Compatible with Compaq Presario Cq58-Bf9Wm, Cq42-158Tx, Cq42-258Tu - A29 System Specific Memory - Newegg.com