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Refurbished: Dell Optiplex 990 Small Form Factor, Intel Core i7-2600 3.4Ghz Quad Core Processor, 8GB Memory, 1TB Hard Drive, Intel HD Graphics 2000, Windows 7 Professional, Keyboard and Mouse - Newegg.com
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Dell Optiplex 990 Desktop Computer PC, 3.20 GHz Intel i5 Quad Core Gen 2, 8GB DDR3 RAM, 250GB SATA Hard Drive, Windows 10 Professional 64bit (Renewed) | Entrepreneur
Dell OptiPlex 990 Desktop Computer PC, 3.10 GHz Intel Core i3, 8GB DDR3 RAM, 250GB Hard Disk Drive (HDD) SATA Hard Drive, Windows 10 Home 64bit (Renewed) | New Atlas
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Dell Optiplex 790 Intel Core I3 2nd Generation Small Form Factor