Refurbished Dell OptiPlex 760-SFF Desktop PC with Intel Core 2 Duo Processor, 4GB Memory, 250GB Hard Drive and Windows 10 Pro (Monitor Not Included) - Walmart.com
New DELL Optiplex 760 Desktop SFF Main Logic Integrated Intel Chipset System Pentium/Celeron CPU for $30 - M863N
How to upgrade CPU, RAM and HDD in a DELL 760 USFF - YouTube