4GB KIT (2 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
Amazon.com: Power Supply 235w for Dell Optiplex 380, 760, 780, 960 Small Form Factor RM112,67T67,R225M,R224M,WU136,H255T,G185T,GPGDV Replaces: F235E-00,L235P-01,H235-00,D235ES-00,AC235AS-00 : Electronics
Amazon.com: Dell Optiplex 755 SFF C2D 2.66GHZ 2GB 160GB DVD WIN PRO 32BIT : Electronics
Amazon.com: 235W Desktop Power Supply for Dell Optiplex 580 760 780 960 980 Small Form Factor (SFF) Systems H235P-00 L235P-01 F235E-00 H235E-00 H235E-00 R224M PW116 FR610 RM112 WU136 67T67 : Electronics
Amazon.com: Dell OptiPlex 380 Mini Tower MT Mother Main System Board (F0TGN)
Amazon.com: 9 Inch 9" ATX Power Supply Motherboard 24 Pin to Mini 24 Pin Cable Adpter for Dell Optiplex 380,Optiplex 580,Optiplex 760,Optiplex 780, Optiplex 960,Optiplex 980 : Electronics
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