Optiplex 380, ram issue, led 3-4 and beep - Dell Community
8GB (2 X 4GB) Memory for Dell Optiplex 380 390 580 790 990 Desktop DIMM PC3 RAM | eBay
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