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Please help me connect my graphics card!

Last response: in Graphics & Displays
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September 15, 2012 9:02:46 PM

I am putting together my computer right now and I think I am short a cable for my graphics card from my PSU.

Graphics card: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

PSU: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

My graphics card manual says it need two 6 pin PCI-E cables and my PSU has only one. Although, my graphics card comes with a few of those cables with one end being the 6 pin PCI-E connector and the other end looking like three big pins. Would I be able to use that to power it? Where would I plug that cable in? I really hope I don't need to buy a new PSU with two of those connectors. Please help me as soon as possible. Thank you.

Also, I forgot. Here is my motherboard if that helps. http://www.newegg.com/Product/Product.aspx?Item=N82E168...

More about : connect graphics card

a b U Graphics card
September 15, 2012 9:11:48 PM

your psu isnt strong enough for your GPU.
a b U Graphics card
September 15, 2012 9:17:48 PM

You need a stronger PSU. The CX-430 has a 28a +12v, which translates to 336 watts. That's powering your motherboard, CPU, RAM, and video card.

Under Furmark here, a 384-core 560 ti system was pulling 352 watts.
http://www.anandtech.com/show/5153/nvidias-geforce-gtx-...

Even discounting 30w for the HDD and 20w for cpu/system fans (4 @ 5w ea.), that's still a little to close to that rail's limit for comfort.

good luck!
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September 15, 2012 9:19:21 PM

I hope your're joking. I've asked people on this website before and they said it was okay. And when I used the newegg PSU calculator, it says I only need 410 watts.
a b U Graphics card
September 15, 2012 9:29:40 PM

lol 410 watts.... 430 is your MAX on the psu (and shows 336w on the 12v rail). you really dont want to be stressing the psu that much. your better off with at least a 520w-600w DECENT branded PSU.
a c 290 U Graphics card
September 15, 2012 9:34:33 PM

Since you're running B75 chipset, I suppose you're running Ivy bridge CPU with TDP of 77 watts. That graphics card will use around 170-180 watts. That's around 260 watts on 12V rail.

Then you've got some hard drives running on 5V rail, 20-30 watts. 40 watts more for chipset/RAM. You total system power consumption will not be above 350 watts, so it should definitely be enough. That is very decent 430w unit, it will work without any problems.

Just use the adapters given so the card can have enough connectors ;) . It must have two to function.
a b U Graphics card
September 15, 2012 10:06:34 PM

correct me if I'm wrong, but isn't the chipset/RAM running off the +12v as well?
September 16, 2012 12:06:45 AM

quilciri said:
correct me if I'm wrong, but isn't the chipset/RAM running off the +12v as well?

Yes it is. After seeing my graphics card manual say my PSU needs a minimum of 500 watts, I am sure of this now. I am just kind of upset that I have to send the old PSU back and buy a new one. I don't understand why someone would recommend that PSU to me after I showed them all the parts I was going to buy. Anyway, I want a recommendation on this PSU.

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

What do you think? In case you wanted to know all my parts, I will list them below.

CPU: Intel Core i3-2120 http://www.newegg.com/Product/Product.aspx?Item=N82E168...

MB: ASRock Z75 Pro3 LGA 1155 http://www.newegg.com/Product/Product.aspx?Item=N82E168...

GPU: GIGABYTE GeForce GTX 560 http://www.newegg.com/Product/Product.aspx?Item=N82E168...

RAM: G.SKILL Value Series 8GB DDR3 1333 http://www.newegg.com/Product/Product.aspx?Item=N82E168...
HDD: Seagate Barracuda ST500DM002 500GB 7200 RPM http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Optical: Sony Optiarc 24X DVD Burner http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Monitor: Acer G205HVbd Black 20" http://www.newegg.com/Product/Product.aspx?Item=N82E168...

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a b U Graphics card
September 16, 2012 12:10:47 AM
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its always better to have a few extra watts unused. plus again thats a builders series (not necessarily designed for gaming gpu's) so the 12v rail will be a little weaker.

i would recommend this
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
September 16, 2012 12:21:02 AM

daswilhelm said:
its always better to have a few extra watts unused. plus again thats a builders series (not necessarily designed for gaming gpu's) so the 12v rail will be a little weaker.

i would recommend this
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

I really hope your're right. The last and only time I ever asked for advice on my PSU, someone told me to buy the 430 watt one I have now. So do you think it will last about two years along with the rest of my computer?

EDIT: I forgot to add, this is my first time building a computer and my first time looking at the parts. When I opened my non-modular 430 watt PSU, I noticed how one end of the cables are attached inside the PSU. And I just looked at that modular PSU and I noticed the cables are not attached inside the PSU. So I just wanted to ask, is using modular PSUs fairly easy? I really hope they are and I hope you are right about the one you are recommending for me.
a b U Graphics card
September 16, 2012 12:31:14 AM

to be honest thats the psu im using right now. im quite pleased with it.

and it should last at least 3 years, thats the warranty. although i would expect many more years than that.
September 16, 2012 12:48:30 AM

daswilhelm said:
to be honest thats the psu im using right now. im quite pleased with it.

and it should last at least 3 years, thats the warranty. although i would expect many more years than that.

Actually don't worry about the question I added in the edit, I'll figure it out. I am taking your advice and buying that PSU. I just really, really, really, really hope that it will be a good PSU and I won't have to return it back like I have to do with the one I just bought. Thank you for the advice and I will select your answer as the best. Goodbye.
September 16, 2012 12:48:48 AM

Best answer selected by APNxRPG24.
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