Refurbished Dell Optiplex 780 3 GHz Dual Core, Core 2 Duo Desktop 4GB 250GB Windows 7, (win 7) Pro
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Dell Optiplex 780 Desktop Computer PC Windows 10 Pro Core 2 Duo 4GB 250GB and WIFI
DELL Optiplex 780 Mini-Tower PC - Intel Core 2 Duo 2.93GHz, 4GB RAM, 250GB HDD, DVD-ROM, Integrated Graphics, GigE, 8x USB 2.0, Win 10 Pro 64-bit, Grade A Refurbished - PC1-3629 at TigerDirect.com
Refurbished: Dell OptiPlex 780 USFF Intel Core 2 Duo E8400 3.00GHz 4GB RAM 250GB HDD Windows 10Pro - Newegg.com
Restored Dell Optiplex 780 Desktop Intel Core 2 Duo 3.0GHz 4GB RAM 250GB HDD DVD-ROM Windows 10 Home WiFi (Refurbished) - Walmart.com
Refurbished Dell Optiplex 745 Desktop Computer by RefurbishedPC
Dell Optiplex 780 SFF Core 2 Duo E8400 3.0GHz 4GB 250GB Win 7 Pro
Dell Optiplex 780 USFF Intel Dual Core 4GB RAM 250GB HDD Win-10 Small Desktop PC | eBay
Dell Optiplex 780 Intel Core 2 Duo E7500 2.93GHz 250GB HDD 4GB RAM DVD | eBay
Restored Dell 780 USFF Small Thin Desktop PC Intel Core 2 Duo 3.0GHz Processor 4GB Ram 250GB Hard Drive DVD-RW with Windows 10 Professional Computer (Refurbished) - Walmart.com
DELL OPTIPLEX 780 DT INTEL CORE 2 DUO 4GB RAM 250GB HDD USED DESKTOP REFURBISHED PC
Best Buy: Dell Refurbished OptiPlex 780 Desktop Intel Core 2 Duo 4GB Memory 250GB Hard Drive DELLPC0010016U