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Is the "expansion slots: PCI" on the HP Compaq 6510b site co... - HP Support Community - 8492008
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HP 6530b 14.1" Laptop Notebook PC Intel Dual Core 4GB 160GB DVD with Windows 10 Home Premium
Memory RAM | 8GB Kit (2x4GB) - HP - HPE HP Compaq 6530b - - 800MHz
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CMS 4GB (1X4GB) DDR2 6400 800MHZ NON ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Business Notebook 8510P, 8710P, 2510P, 6715B - A42 - Newegg.com
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CMS 2GB (1X2GB) DDR2 6400 800MHZ NON ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Business Notebook 6530B, 6530S, 6535B, 6535S, 610, 615 - A40 - Walmart.com
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HP Compaq 6530b Repair - iFixit
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