CMS 8GB (2X4GB) DDR3 8500 1066MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Compaq Presario Cq56-115Dx, Cq56-124Ca, Cq56-148Ca - A35 at Amazon.com
New for HP Compaq Presario CQ56 CQ61 CQ62 CQ40 Laptop Lightscribe Super Multi 8X DVD RW RAM Writer 24X CD-R Burner Optical Drive - AliExpress
4GB DDR3 Memory RAM for Compaq Presario CQ56-148CA
HP Compaq Presario CQ56-110US RAM Replacement - iFixit Repair Guide
Best Buy: Compaq Presario Laptop / AMD V-Series Processor / 15.6" Display / 2GB Memory / 250GB Hard Drive Basic Black CQ56-115DX
4GB KIT 2 x 2GB HP Compaq Presario CQ56-258SA CQ56-261EA CQ56-8CA Ram Memory 5053462512111 | eBay
New for HP Compaq Presario CQ56 CQ61 CQ62 CQ40 Laptop Universal Super Multi 8X DVD RW RAM Writer 24X CD-R Burner Optical Drive - AliExpress Computer & Office