It's supposedly a B560-MicroATX motherboard but verify that for yourself. Keep in mind Dell uses customized connections between their front panels and motherboards. They don't make the connector info public, so unless somebody has already done it, you'll have to map those connections yourself in order to connect this motherboard to the front panel in a different case, assuming you find a case where it fits...
I have an Inspiron 3891. I want to get a half decent graphics card like an rtx 3050/60 or a 1650 super. My current stock power supply does not have the connectors or the power budget. My stock case only accepts tfx psu's and unfortunately they only go up to 350W. Therefore I need a new case however in order to buy one i need to know the form factor of my case. Any help?
inspiron 3891 motherboard form factor