4GB Upgrade for a Dell OptiPlex 380 Desktop System (DDR3 PC3-12800, Non-ECC, ) at Amazon.com
CMS 4GB (2X2GB) DDR3 10600 1333MHZ Non ECC DIMM Memory Ram Upgrade Compatible with Dell® Optiplex 780 Dt/Mt/Sff Desktops - A81 at Amazon.com
Amazon.com: Dell OptiPlex 380 MT/Core 2 Quad Q9505 @ 2.83 GHz/2GB DDR3/80GB HDD/DVD-RW/Windows 10 Home 64 BIT (Renewed) : Electronics
CMS 4GB (2X2GB) DDR2 5300 667MHZ Non ECC DIMM Memory Ram Upgrade Compatible with Dell® Precision Workstation 380 Series - A88 at Amazon.com
Dell OptiPlex 380 Renewed Business Desktop Mini PC | Core 2 Duo Processor | 2GB RAM | 250GB Hard Disk Drive (HDD) | Small Form Factor | Windows 10 Professional | RENEWED: