Refurbished: Dell OptiPlex 780 USFF Desktop Intel Core 2 Duo E8400 3.0GHz 4GB DDR3 RAM 250 GB HD DVD-RW WiFi Bluetooth Microsoft Windows 10 Pro - Newegg.com
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Solved: Optiplex 780, ram upgrade - Dell Community
Tried upgrading optiplex 780 ram, wont turn on - Dell Community