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PSU for Radeon HD 6870

Last response: in Graphics & Displays
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So I just got my 6870 in the mail. I put it in the computer case and then realize that my PSU is not gonna work. I have a 500w Ark Technology PSU but there are no 6-pin connectors to go to the graphics card. It requires 2 6-pin connectors. Should I buy a whole new PSU? And if so, which one? Also, can I just buy an adapter to make the 4pin molex into a 6-pin connector? There are only 3 of the 4pin molex on my current PSU, so would I be ok getting 2 adapters and just power the Hard Drive with SATA and use the 1 free 4pin molex for the dvd drive? I'm only gonna have 1 hard drive and a DVD burner, nothing else special in the case. The motherboard is a Biostar H61MHB. Thanks for the help!

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Thanks for the reply. I would really love to keep my psu but I just don't see how it would work because there are only 3 of the 4 pin connectors on the psu. If I use two of them for the gpu, theres only one left. I still need to power the hard drive and dvd drive.
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Graphics card Expert

even if you have a 4pin molex to 6 pin the grphics card wont function correctly
because your PSU is very low quality
i suggest 500w seasonic or FSP or any other good brand

rbj8611 said:
Ok, wasn't sure if that would work or not. I'm kinda new at this so sorry if I say something stupid

it's ok
and it wasnt stupid
i started just like you asking a bunch of questions and i still do
also since you're not overclocking it will be fine
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