Will the R7 250 or GT 730 work with this CPU

[YoureMeme]

An old Intel core 2 quad cpu Q6600, 2.40 ghz?

 

[Embra]

They both could both work. What motherboard do you have? You may need to update the bios.

 

[Jaswanth Chowdary]

to run a GPU all you need to have a PCIe express slot
but its better if you can provide us with the Motherboard make & name so we can be of better help to you