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Refurbished: DELL Laptop Intel Core 2 Duo T5600 (1.83GHz) 2GB Memory 80GB HDD Integrated Graphics 14.1" Windows XP Professional 32-bit Latitude D620 - Newegg.com
Best Buy: CMS 4GB (2x2GB Memory RAM Compatible with Dell Latitude D620, D620 ATG Notebook DDR2 CM256645300SOX20201