8GB 4X2GB Dell OptiPlex 755 Series Desktop/PC DDR2 PC2-5300 RAM Memory at Amazon.com
Restored Dell OptiPlex PC Computer, Intel Core i3, 8GB RAM, 500GB HD, DVD-RW, Windows 10 Home Premium, Black (Refurbished) - Walmart.com
Refurbished: Dell Optiplex 755 SFF - 2.2GHz Pentium Dual Core - 4GB Memory - Windows 7 Professional - Newegg.com
any recommended upgrades? (755 SFF) - Dell Community
Refurbished: Dell Optiplex 755 Small Form Factor Desktop (R2/Ready for Reuse) with Intel Celeron 430@1.80GHz, 2GB RAM, 80GB HD and licensed Windows 7 Home Premium from a Microsoft Authorized Refurbisher - Newegg.com
Dell Optiplex 755 DCCY Intel2 Core Quad Ram No Hard drive ~ S6426 | eBay
Dell Optiplex 755 Windows 7 Pro PC,Core 2 Duo, 2GB Ram w/Monitor, Keyboard,Mouse | eBay
Dell Optiplex Desktop Computer Windows 10 Core 2 Duo 4GB Ram DVD WiFi 17" LCD
Refurbished: Dell Optiplex 755 A Grade Desktop PC with Intel Core 2 Duo 2.66GHz, 4GB RAM, 1TB HDD, DVDRW, Windows 7 Professional 64 Bit, Microsoft Authorized Recertified Desktop PC w/1 Year Warranty - Newegg.com
A-Tech 4GB (2X 2GB) Max Memory RAM Kit for Dell Optiplex 320, 210L, 210LN, (Minitower, Desktop) - DDR2 533MHz PC2-4200 Non-ECC DIMM Modules at Amazon.com
Optiplex 755 USFF cpu and ram upgrade - Dell Community
DELL OPTIPLEX 755 TOWER SFF INTEL CORE 2 DUO 2.0GHz 2GB 250GB WINDOWS XP PRO | eBay
Dell Optiplex 755 Desktop Computer, DCNE, Intel Core2 Duo CPU E6550 @2.33 GHz, 2 | eBay
Amazon.com: Dell OptiPlex 755 uSFF Recertified PC - Intel Core 2 Duo 2.1GHz , 4GB, 160GB, DVD-Combo, Windows 7 Home Premium 32-Bit : Electronics
Dell Optiplex 755 USFF Celeron (430) No Optical - Windows 10