Intel Core 2 Duo 2.00 GHz Used / Refurbished Dell OptiPlex 755 Desktop, Sff, RAM Size: 2
Refurbished Dell OptiPlex 755 Core 2 Duo E4600 (2.40GHz) 2GB...
Dell Optiplex 755 DT Motherboard Desktop 0DR845 With Core 2 Duo CPU+4GB DDR2 RAM - Pinoy Warehouse
Refurbished Dell Optiplex 755 Desktop Computer by RefurbishedPC
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
How To: Dell Optiplex 755 Ram Upgrade - YouTube
Dell Refurbished OptiPlex 755 Desktop Intel Core 2 Duo 2GB Memory 160GB Hard Drive 755 SFF-0430 - Best Buy
Dell OptiPlex 755 Desktop Computer, Intel Core 2 Duo Dual-core (2 Core) 2 GHz, 2 GB RAM DDR2 SDRAM, 80 GB HDD, Small Form Factor - Walmart.com