Refurbished Dell OptiPlex 990 Desktop PC with Intel Core i3-2100 Processor, 8GB Memory, 2TB Hard Drive and Windows 10 Pro (Monitor Not Included) - Walmart.com
Amazon.com: Dell Optiplex 990 SFF Desktop Business Computer PC - Intel Core i5-2400 3.10GHz 8GB DDR3 RAM 128GB SSD DVD Windows 10 Professional (Renewed) : Electronics
Dell OptiPlex 990 Desktop i3-2120 3.3GHz 8GB 120GB SSD Windows 10 Home – Refresh Computers Online Marketplace
Dell OptiPlex 990 Desktop i3-2120 3.3GHz 8GB 500GB HDD Windows 10 Home – Refresh Computers Online Marketplace
Dell Optiplex 990 SFF Intel i3 i5 i7 2nd Gen DVDRW Barebone * NO CPU RAM HDD 825633349537 | eBay
Refurbished: DELL Desktop Computer OptiPlex 990 Intel Core i3 2nd Gen 2100 (3.10GHz) 4GB DDR3 250GB HDD Windows 10 Pro - Newegg.com
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
Refurbished: DELL Desktop Computer OptiPlex 990 Intel Core i3 2nd Gen 2120 (3.30GHz) 4GB DDR3 250GB HDD Windows 7 Professional 64-bit - Newegg.com
Dell Optiplex 990 Desktop Computer 3.1 GHz Core i3 Tower PC, 4GB, 250GB HDD, Windows 10 Home x64, 17" Monitor , USB Mouse & Keyboard (D990Ci34GB250GBW1017)
Scratch-N-Dent Dell Refurbished OptiPlex 990 Tower Computer - Intel Core i5 (2nd Gen) - Microsoft Windows 10
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