OFFTEK 2GB Replacement Memory RAM Upgrade for HP-Compaq HP 6820s (DDR2-5300) Laptop Memory at Amazon.com
2GB RAM Memory for Compaq HP Business Notebooks Business Notebook nc6400 Black Diamond Memory Module DDR2 SO-DIMM 200pin PC2-5300 667MHz Upgrade - Walmart.com
4GB 2x2GB HP Compaq 6710b 6715b 6715s 6735s 6820s 6830s 6910p DDR2 Laptop RAM AB | eBay
4GB 2x2GB HP Compaq 6710b 6715b 6715s 6735s 6820s 6830s 6910p DDR2 Laptop RAM AB | eBay
CMS 2GB (1X2GB) DDR2 5300 667MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Business Notebook 6715S, 6720S, 6735S, 6820S, 6910P, 8510P - A38 at Amazon.com