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41 posts


Topic # 130973 4-Oct-2013 08:15
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I've got me a second hand Sapphire 6970 2GB Vietnam Edition, it is absolutely huge!, as an upgrade for my GTX460.

However, to my dismay, but deservedly so for not doing proper research, I found out that my 550W Lian-Li PSU only has two 6 pin connectors, which were a perfect fit for GTX, but 6970 requires a 6 pin and 8 pin connector.

I've searched the net on how to bypass this problem, and I can see people have all sorts of solutions, like getting an add-on, extension, plug the 6 pin into 8 pin anyway, or use 2 molex to 8 pin connector that came with the card.
But most people simply said get a new PSU that comes with 8 pin connector.

However, since all that information out there doesn't strictly apply on my rig, I was wondering if people here could offer advice?

I'm packing AMD x4 630 2.8Ghz Quad, on Asus M4A77td Pro Mobo, with 4GB 1333 ddr3 and 1TB sata2 HD. Remaining PCI slots are empty, just the GPU.


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2530 posts

Uber Geek
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  Reply # 907606 4-Oct-2013 08:23
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Does your PSU not have any 4-pin connectors? The 6970s usually (or used to) come with 2x4-pin to 1x-8pin connectors. Otherwise, time for a new PSU.

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  Reply # 907608 4-Oct-2013 08:31
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Yes it does, PSU has like 3-4 unused 4pin connectors.

And 2x4pin to 8pin connector/adapter came with the card, but from what I can see, people don't recommend that as a safe solution, as it may cause damage to the card.


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Master Geek
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  Reply # 909950 8-Oct-2013 16:21
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Best bet is to upgrade your PSU to the one that has both a 6 and 8 pin PCIe connectors. You don't really have to blow out your budget alot for that type of PSU you need to have, as many of today's ones comes with both connectors.

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  Reply # 910145 8-Oct-2013 21:44
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Thanks to both of you for a reply. I ended up buying a 650W Corsair for 80 bucks, comes with 2x 6+2 PCI-E connectors.

And is it quiet and smooth, I can hear myself thinking :)

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