It's Dell's own motherboard. Lots of threads about upgrading the power supply and GPU in the Inspiron 3847 so search for them. To get you started, you can read PSU upgrade and GPU upgrade.
Hello, I am trying to upgrade my Dell Inspiron 3847 with a new graphics card and power supply. To do this, I want to find out what motherboard and power supply the dell Inspiron 3847 comes pre-installed with (so that I will know which graphics cards are compatible). If you have this information, please reply to this post. All help is appreciated. Thank you.
Dell Inspiron 3847 Motherboard and Power supply compatibility