This fits yours. Make sure this fits by entering your model number. P.when("ReplacementPartsBulletLoader").execute(function(module){ module.initializeDPX(); }) **Guaranteed Dell Genuine** Part Number: J3C2F Chipset Type: Intel Q65 Express Chipset Compatible Model: Dell Optiplex 790 MT * *Ship within 24 hours except for holidays and weekends**
Specifications
Brand : Dell
Model : Optiplex 790
MPN : Refurbished
Type : System Motherbaord
Compatible Brand : Dell Optiplex 790
Short Description : Genuine Dell Optiplex 790 Desktop System Motherbaord LGA 1155 0J3C2F J3C2F
Note : Buyer will receive any of the compatible part numbers or manufacturers listed above which will work with your current Computer
Package Includes : 1 Dell System Motherbaord