8GB 4X2GB Dell OptiPlex 755 Series Desktop/PC DDR2 PC2-5300 RAM Memory at Amazon.com
Amazon.com: Dell Optiplex (Intel Core 2 Duo 2.13GHz, 4GB DDR2 Memory, 250GB HDD, DVDRW, Windows 7 Pro x64) (Certified Refurbishd) : Electronics
Dell Optiplex 745 C2D Desktop Computer (Intel Core Duo Processor 1.86GHz, 4GB DDR2 Memory, 250GB HDD, DVDRW, Windows 10 Home
Amazon.com: Dell Optiplex Desktop 2.93 GHz Intel Core 2 Duo Processor, New 8GB RAM DDR2, 250GB , Windows 10 Professional x64, 19in LCD Monitor (brands vary) - (Renewed) : Electronics
Dell OptiPlex 960 SFF Desktop Intel Core2 Quad 2.4GHz 8GB DDR2 RAM 1TB HD DVDRW Windows 7 Professional 64-Bit - Used with FREE 3 Year Warranty provided by CPS. - Walmart.com