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Power Cables and GPU

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  • Power
  • Corsair
  • Graphics
Last response: in Graphics & Displays
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July 2, 2014 8:58:41 PM

Hi, I finished building a new computer recently and need some advice regarding my PSU connection.

I have an XFX ghz edition HD 7870 graphics card and a Corsair CX430M PSU.

After I got all the parts ready and tried to put it together I noticed my card needs two power six pin power attachments. With my corsair PSU only a single dedicated PCI-E attachment came.

The next day I went to my local store and I could not find a 6-pin - > 6 pin connector. I found one cord labeled for PCI-E that seemed like it could work.

It had two white large 4 pin connectors that went in to a 6 pin connector. One of the "holes" in the 6 pin is empty.

I took a cord I got from corsair I didn't need. It had two four pin slots as well as another 6 pin with two "holes" empty.

I connected the the two cords together via the 4 pins and then put the 5/6 pin in the video card and the 4/6 pin in the psu unit.

I took a picture because this is difficult to describe!



Is this OK?? My computer seems to run fine. I got some crashes on bioshock1/3, but admittedly those were torrented and I'm not quite sure if it is the system or the software. D3 runs fine with zero crashes. When I run FurMark I sometimes get strange spikes in voltage and VRAM temperature which concern me.

Any advice from the more wise would be very much appreciated!

More about : power cables gpu

July 2, 2014 9:06:57 PM

I'd bring back the PSU and get one properly equipped rather than a potentially dangerous kludge like you have described...... wouldn't really want to see you with a gaming box driven by a CX series PSU anyway.....performance is decent enough "for the money" but build quality is suspect.

http://www.jonnyguru.com/modules.php?name=NDReviews&op=...
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July 2, 2014 9:09:50 PM

check the power requirements for this gpu http://products.xfxforce.com/en-us/Graphics_Cards/AMD_R... no wonder with tha 430 watts gpu you have those issue you need a better psu before burning something from power spike .
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July 2, 2014 9:21:57 PM

Do not do what you are doing if it tries to pull to much it could fry it and cause a fire. Get a new PSU simple as that or you'll be needing a new house.
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July 2, 2014 10:36:43 PM

Thanks for the strict treatment! I was under the impression that card power draw tends to be overrated and it would run on a smaller PSU. I also did not know that the CX series is of poorer quality.

I placed an order for a RM750 Corsair that should arrive tomorrow.
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July 3, 2014 12:46:50 PM

you made a good choice you safe yourself some trouble and budget .
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July 3, 2014 1:08:20 PM

Dont forget to choose Best Answer so people know the thread is closed and resolved:) 
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