Amazon.com: Dell Genuine PU052 Motherboard Intel Q35 Express w/ ICH9D0 Socket Optiplex 755 Small Form Factor (SFF) : Electronics
Dell 0PJ812 - Desktop Motherboard for OptiPlex GX620 SFF
DELL™ optipLEx™ 755
Solved: Optiplex 755 SFF, GPU upgrade - Dell Community
Restored Dell 755 Small Form Factor Desktop PC with Intel Core 2 Duo Processor, 4GB Memory, 160GB Hard Drive and Windows 10 Home (Monitor Not Included) (Refurbished) - Walmart.com
Dell Refurbished OptiPlex 755 Desktop Intel Core 2 Duo 2GB Memory 160GB Hard Drive 755 SFF-0430 - Best Buy
DELL OPTIPLEX 960
Solved: Optiplex 755 SFF, GPU upgrade - Dell Community