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Refurbished: Dell Optiplex GX520 MT 2GB ram 160 GB HD with Windows 7 Pro 32 Bit - Newegg.com
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Genuine Dell Intel 945G Express Socket 775 Motherboard For Optiplex GX520 Desktop Systems Part Numbers: RJ291
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Dell Optiplex GX520 Celeron D 326 2.53 GHz - 512 MB - 80 GB - IMS Supply
Solved: Best CPU compatible in the GX520 Desktop - Dell Community
