Terri's Random Ramblings » Dell Optiplex 755 Upgrade Project
How To: Dell Optiplex 755 Ram Upgrade - YouTube
8GB (4GBx2) Team High Performance Memory RAM Upgrade For Dell OptiPlex 755 Series (Desktop Mini-Tower and Small Form Factor). The Memory Kit comes with Life Time Warranty. at Amazon.com
Dell OptiPlex 755 Tower Core 2 Duo 3 GHz - HDD 1 TB RAM 4GB | Back Market