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Dell OptiPlex 780 Desktop Computer C2D (E7500) - Windows 10
Restored Dell Optiplex 780 Desktop Computer Tower Intel Core 2 Duo 3.0Ghz 8GB RAM 500GB HD DVD Windows 10 Home 64 19" LCD Wi=Fi PC (Refurbished) - Walmart.com
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Dell OptiPlex 780 Desktop Computer Windows 7 Pro Dual 19" Monitor Set – RefurbishedPC
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Best Buy: Dell Refurbished OptiPlex 780 Desktop Intel Core 2 Duo 4GB Memory 250GB Hard Drive DELLPC0010016U