1GB RAM Memory for Dell OptiPlex 380 Small Form Factor (SFF) 240pin PC3-10600 DDR3 DIMM 1333MHz Black Diamond Memory Module Upgrade - Walmart.com
8GB KIT (4 x 2GB) for Dell Optiplex 380 780 Mini Tower 780 Small Form Factor 780 XE Small Form Factor. DIMM DDR3 Non-ECC PC3-8500 1066MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com