Dell OptiPlex 755 SFF Core 2 Duo E8200 2.66GHz + 2GB RAM (NO HDD NO OS
Dell OptiPlex 755 Desktop Computer, Intel Core 2 Duo Dual-core (2 Core) 2 GHz, 1 GB RAM DDR2 SDRAM, 80 GB HDD, 17", Small Form Factor - Walmart.com
Dell Optiplex 755 PC Computer Tower Windows 10 Professional (Win 10) 4GB RAM 250GB
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