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
HP Compaq Laptop AMD Mobile Sempron 3500+ 512MB Memory 80GB HDD ATI Radeon X1250 IGP 15.4" Windows XP Professional 6715b(RM313UT#ABA) Laptops / Notebooks - Newegg.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 RAM Memory for Compaq HP Business Notebooks Business Notebook 6730b Black Diamond Memory Module DDR2 SO-DIMM 200pin PC2-6400 800MHz Upgrade - Walmart.com
CMS 4GB (1X4GB) DDR2 6400 800MHZ NON ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Business Notebook 8510P, 8710P, 2510P, 6715B - A42 System Specific Memory - Newegg.com