4GB Stick for Dell Optiplex 380 780. DIMM DDR3 Non-ECC PC3-8500 1066MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com
Amazon.com: Dell OptiPlex 380 Mini Tower MT Mother Main System Board (F0TGN) : Electronics
Restored Dell Optiplex 380 Desktop PC with Intel Dual-Core Processor, 4GB Memory, 160GB Hard Drive and Windows 10 Pro (Monitor Not Included) (Refurbished) - Walmart.com
Restored Dell Desktop Computer OptiPlex Tower Core i3 3.4GHz Processor 8GB RAM 500GB HD DVD Wi-Fi and Windows 10 PC (Refurbished) - Walmart.com
Dell Optiplex 380 MT Intel Pentium E5700 3GHz 4GB RAm No HDD No OS
Restored Dell Optiplex 380 Small Form Factor Desktop PC with Intel Core 2 Duo 4GB RAM 160GB HDD and Win 10 Pro (Monitor not included) (Refurbished) - Walmart.com
Restored Dell Optiplex 380 Small Form Factor Desktop PC with Intel Core 2 Duo 4GB RAM 160GB HDD and Win 10 Pro (Monitor not included) (Refurbished) - Walmart.com