How to know that a graphics card will fit in a case?

Answer 1

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The case will show specifications that say the size and max allocation for PSU and GPUs as well as the board configurations that work with it.

If the stite you are buying from doesn't show that, try googling the case and seeing if you can find another site that lists it.

You should see "GPU length up to 240mm" or "up to 300mm" etc.

Then google the card you want to use and see its length, make sure its less then the max size that will fit.

Additionall, if you already have the case and are looking to buy a new card you can phisically measure the opening soze from inside the case at the motherboard wall across to what ever will stop the end of the card (typically thats the drive rack, but could be something else

Also, height can also bw a problem too if you are using a small factor case.

Last, millimetres can be divided by 25.4 to equal inches and inches can be multiplied by 25.4 to equal mms if you need to confirm from a measurement to a listing

Answer 2

Read the Specifications Sheet about the Graphics Card and Your Mother Board.

Answer 3

All you have to do is look at the specifications 

of the card for the measurements (easily found 

online), and then measure your computer case 

and see if it will fit. If you also haven’t purchased 

your case yet when you buy a case they usually 

also list the measurements as well. Standard 

cases with at least two slots available have 

plenty of room, but you will definitely have 

to carefully measure if using a mini case.