Dell OptiPlex 990 USFF – Specs and upgrade options
Dell OptiPlex 990 Ultra Small Form Factor Computer PC, 3.2 GHz Intel i5 Quad Core Gen 2, 8GB DDR3 RAM, 500GB SATA Hard Drive, Windows 10 Home 64 bit (Renewed) | McClatchy
Calculatoare second hand Dell Optiplex 990 SFF, Core i5-2400
Calculator Dell OptiPlex 990 SFF, Intel Core i5-2400, 4GB DDR3, 250GB HDD, DVD, Windows 10 Home Refurbished - ExpertCompany.ro
Dell Optiplex 990 CPU Upgrade - Dell Community
Refurbished Dell Optiplex 990-SFF WA1-0423 Desktop PC with Intel Core i5-2400 Processor, 4GB Memory, 1TB Hard Drive and Windows 10 Pro (Monitor Not Included) - Walmart.com
Dell Optiplex 990 SFF i5-2400 3.10GHz Desktop Computer Windows 10 PC Windows | eBay