2GB RAM Memory for Compaq Presario Laptop Notebook G42-476TU Black Diamond Memory Module DDR3 SO-DIMM 204pin PC3-10600 1333MHz Upgrade System Specific Memory - Newegg.com
COMPAQ PRESARIO CQ40 SSD & RAM UPGRADE - YouTube
4GB Kit (2x2GB) Memory RAM Upgrade for Compaq HP Presario CQ5600F | eBay
2GB (1GBx2) Team High Performance Memory RAM Upgrade For HP - Compaq Presario V5110EU V5116EU V5120EU V5122EU Laptop. The Memory Kit comes with Life Time Warranty. at Amazon.com