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DDR2 Ram, 4GB 800MHz PC2-6400 DDR2 RAM 240-Pin 1.8V, DDR2 Memory Module for Desktop Computer Memory Module at Amazon.com
Zopsc DDR2 4GB RAM 800MHz Memory Module for AMD CPU Stable Fast Data Transmission 240PIN for High Anti-Interference and Antistatic for Desktop Computer, Plug and Play at Amazon.com
HP 1GB 144-pin 800 MHz DDR3 SODIMM (E5K48A) at Amazon.com
CMS 16GB (2X8GB) DDR3 12800 1600MHz Non ECC DIMM Memory Ram Upgrade Compatible with HP/Compaq®/Envy Phoenix 800-060 Desktop/Pc - A63 at Amazon .com
8GB KIT 2X 4GB for HP-Compaq Business Desktop Series dc7900 (Small Form Factor/Convertible Minitower) dx7500 (Microtower) dx7500 (Small Form Factor) DIMM DDR2 Non-ECC PC2-6400 800MHz RAM Memory at Amazon.com