Sign in with
Sign up | Sign in
Your question

How much power do I need to run a ASUS DirectCU II OC RAdron HD 7790

Last response: in Graphics & Displays
September 26, 2013 7:53:06 AM

I just bought a Radeon HD 7790 and it turns out I don't have a 6 pin connector in my PC. I have a Dell Inspiron 531. The current psu is 300W. Will this run it or will I have to get a new psu. If so then can you reccomend me some budget psu's that is both compatible and can run my GPU.
September 26, 2013 3:02:15 PM

The HD 7790 is an 85W card maxed out. That's about 7.1A on the +12V rail:
So you don't need much more than the slot's power (75W) for the card. But yes, you do need to connect the 6-pin power header on the card. I would look at something like this:
You don't want to go cheap on a PSU. Cheap ones tend not to last and usually take out something else when they go.
Related resources
September 27, 2013 8:44:02 PM

Would work great.