How do I tell type of MoBo?

[williams22]

I have a Dell Optiplex GX240. I am trying to figure out what type (AT, ATX etc.) type of motherboard I have because I want to buy a new case. How do I tell what type I have? I have heard the I probably have some strange kinda made only for Dell computers.

[DoctorReno]

Without a doubt it is an ATX board.

[Xeroid]

I had to replace the mobo in my cousins 2 month old Dell Dimension 2350 for him. Lightening ran in on it and Dell would not cover the repair (another story in another thread). HERE

Anyway, it was a standard mATX motherboard with a standard ATX power supply.

Mike

[krohnjw]

For a while dell was swapping 2 of the wires in the connector, and on the boards, so that a standard power supply would make them burn up, literally. But it appears that that may not be the case anymore. I saw if all else fails give dell a call and see what your options are. Ask them if it is a standard ATX connector.

[williams22]

when I open up my computer how do I tell what type it is? I dont wanna buy a new case and not be able to use it.

[DoctorReno]

It is DEFINATELY an ATX board.... the only issue is size. Just measure the width and height in mm. Tell whoever you are buying your case from that it is a board from a Dell Optiplex GX240. You should have no problems what so ever.

[Xeroid]

How many PCI slots does your board have? On most modern mobos . . .

mATX usually has 3: mATX pic

ATX usually has 5 or 6: ATX pic

EDIT: hotlinked by accident, dooh!

In the pics I linked to the PCI slots are the white ones on the lower right side of the mobos.