Amazon.com: Dell OptiPlex 990 Desktop Computer PC - Intel Quad Core i5 3.1-GHz, 16GB RAM, 1TB Hard Drive, DVD-RW Drive, USB WiFi Adapter, Windows 10 (Renewed) : Electronics
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Dell Optiplex 990 MT i5-2400 3.1GHz 8GB 240GB SSD BN Windows 10 Home | Computers \ Processor \ Intel Core i5 Computers Computers \ Case \ Micro/Mini Tower Computers \ Case \ Tower Computers \ Brand \ Dell | AMSO
Dell Optiplex 990 Tower Intel Core i3-2400 3.1GHz, 8GB RAM, 2TB Hard D — REFURB.io Canada
Dell OptiPlex 990 Tower PC, 3.2 GHz Intel i5 Quad Core Gen 2, 16GB DDR3 RAM, 1TB SATA HD, Windows 10 Professional 64 Bit (Refurbished Grade B) | Entrepreneur
Dell Optiplex 990 Desktop Computer PC, 3.20 GHz Intel i5 Quad Core Gen 2, 8GB DDR3 RAM, 1TB SATA Hard Drive, Windows 10 Professional 64bit (Renewed) | KSAT
Dell Optiplex 990 Desktop Computer PC, 3.20 GHz Intel i5 Quad Core Gen 2, 8GB DDR3 RAM, 2TB SATA Hard Drive, Windows 10 Home 64bit (Renewed) | MacUpdate
Which Dell Optiplex MT (any model 990, etc.) can I change the graphics card without upgrading the PSU? Which GPUs would work? - Quora
Dell Optiplex 7010 Business Desktop Computer 16GB RAM 2TB HDD USB 3.0 Win 10 Pro | eBay
Dell Optiplex 990 Desktop Computer PC, 3.20 GHz Intel i5 Quad Core Gen 2, 16GB DDR3 RAM, 2TB SATA Hard Drive, Windows 10 Professional 64bit (Renewed) | MacUpdate
Dell™ OptiPlex™ 990 desktop
Dell Optiplex 990 MT I5-2400 3.10GHz | Revive IT
Dell OptiPlex 990 Desktop Computer Bundle with 22" Monitor, Intel Core i7, 16GB RAM, 500GB HD, DVD-ROM, Windows 10 Home, Black (Refurbished) - Walmart.com