I have a dell precision t7400 with a server power supply in it but it doesnt have to 8 pin I need to power my 7970 with. Is there ANYWAY I can make something happen with a second psu ? I can't just upgrade the PSU thats already in it the computer is built around the motherboard in the case and I can't get the cords out, plus it would be too expensive for me atm anyways
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Yeah you can use a second psu but you would need a way to make sure even the gpu powers up with the rest of the system.
You could get an adapter if the older power supply has enough plugs from it.