Dell OptiPlex 990 SFF/Core i7-2600 Quad @ 3.40 GHz/DVI Graphics Card/12GB DDR3/ 1000GB SSD/DVD-RW/WINDOWS 7 PRO 64 BIT USED with FREE 3 Year Warranty provided by CPS. - Walmart.com
OptiPlex 990 Ultra Small Form Factor All-In-One | Dell USA
Refurbished Dell Optiplex 990 SFF Desktop Computer PC (Intel Core i5 P – Dealsoutlet
Refurbished: Dell OptiPlex 990 SFF Black & Gray PC - Intel Core i5 2400 2nd Gen 3.1 8GB DIMM DDR3 SATA 3.5" 500GB DVD-ROM Windows 10 Pro 64-Bit - Newegg.com