Optiplex 755 USFF cpu and ram upgrade - Dell Community
How To: Dell Optiplex 755 Ram Upgrade - YouTube
Dell Optiplex 755
2GB Memory RAM for Dell OptiPlex Optiplex 755 240pin PC2-5300 667MHz DDR2 DIMM Black Diamond Memory Module Upgrade - Newegg.com
OFFTEK 2GB Replacement Memory RAM Upgrade for Dell OptiPlex 755 Series (Desktop Mini-Tower and Small Form Factor) (DDR2-6400 - Non-ECC) Desktop Memory at Amazon.com
4GB (2X2GB) Memory Ram Compatible With Dell Optiplex 755 Sff By CMS A90 - Computer Memory Solutions
dell optiplèx 755 ram and cpu upgrade - Dell Community
8GB 4X2GB RAM for Dell OptiPlex 755 Series Desktop/PC DDR2 PC2-5300 RAM Memory | eBay
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