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Not Enough PSU Cables For Graphics Card (needing a 6-pin)

Tags:
  • Gtx
  • Power Supplies
  • Graphics Cards
  • Cable
  • Graphics
Last response: in Graphics & Displays
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June 6, 2014 1:57:08 PM

As an issue i'm having, I was going to buy a GTX 660 but I don't have a 6-pin free cable, or even a 4 pin. I was really looking forward to installing the card but this has been the huge barrier. I'm not too familiar with the types of cables the PSU has, so I don't know what these cables are for, but I've taken pictures of the 2 cables that are free. My case has fan lights and two other front lights so they are apart of using up some of the cables. If there is any way to sort the issue I'd be very grateful for your help :) 


More about : psu cables graphics card needing pin

a c 2488 ) Power supply
a c 928 U Graphics card
June 6, 2014 2:05:19 PM

What power supply do you have?

One looks like a floppy power connection.
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June 6, 2014 2:06:49 PM

SR-71 Blackbird said:
What power supply do you have?

It's an ATI-500b as the model name, a 500w
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Related resources
a c 96 ) Power supply
a c 168 U Graphics card
June 6, 2014 2:07:12 PM

The PSu not having the proper connections is usually a good sign that you need a new PSU. Whats the make and model of your current PSU?
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June 6, 2014 2:08:03 PM

bwl said:
As an issue i'm having, I was going to buy a GTX 660 but I don't have a 6-pin free cable, or even a 4 pin. I was really looking forward to installing the card but this has been the huge barrier. I'm not too familiar with the types of cables the PSU has, so I don't know what these cables are for, but I've taken pictures of the 2 cables that are free. My case has fan lights and two other front lights so they are apart of using up some of the cables. If there is any way to sort the issue I'd be very grateful for your help :) 




using the top 1 (sata) u can get a molex adapter then a molex to PCIe adapter, not an ideal set up tho, would recommend a new psu mate, plus alot of extra wires, some PCIe adapters need 2 molex aswell

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a c 157 ) Power supply
a c 303 U Graphics card
June 6, 2014 2:08:57 PM

Exactly what psu do you have?
A GTX660 wants about 430w and a 6 pin connector.
If a psu does not have a 6 pin connector, it is either very old or a cheap unit that can not deliver sufficient power.
If you think your psu is adequate, You can use a molex(that's your top photo) to pcie 6 pin adapter.
One may well come with your GTX660.
It looks like this: http://www.frozencpu.com/products/19362/cab-1491/Akasa_...

Or... you could use a GTX750ti which is very power efficient card that needs no 6 pin aux power.
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a c 2488 ) Power supply
a c 928 U Graphics card
June 6, 2014 2:08:59 PM

That is a very poor power supply , you need to upgrade , what case do you have and what budget for power supply.
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June 6, 2014 2:09:07 PM

bignastyid said:
The PSu not having the proper connections is usually a good sign that you need a new PSU. Whats the make and model of your current PSU?

an ATI 500w, this is a very new build so I'm not too keen on buying a new PSU right away
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a c 96 ) Power supply
a c 168 U Graphics card
June 6, 2014 2:09:35 PM

I can't find anything on that model(usually not a good sign). Take a picture of the side of the PSU(where it have the model number, wattage and amp information). Most likely it needs replaced
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a c 2488 ) Power supply
a c 928 U Graphics card
June 6, 2014 2:09:51 PM

You need to , that PSU is very very poor.
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a b ) Power supply
a c 142 U Graphics card
June 6, 2014 2:10:37 PM

If the only remaining free connectors left are a single SATA power connector and a legacy floppy connector, and there are no 6 pin PCI-E cables at all, then that PSU likely can't deliver sufficient power for a GTX 660. The 660 also requires two 6 pin connectors, so even trying to use an adapter is out of the question. You're probably going to need a new power supply in order to use that graphics card.
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Best solution

a c 2488 ) Power supply
a c 928 U Graphics card
June 6, 2014 2:14:19 PM

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($49.99 @ NCIX US)
Total: $49.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-06-06 17:14 EDT-0400)
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June 6, 2014 2:21:38 PM

bignastyid said:
I can't find anything on that model(usually not a good sign). Take a picture of the side of the PSU(where it have the model number, wattage and amp information). Most likely it needs replaced

it said ATX-500b as the model
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a c 96 ) Power supply
a c 168 U Graphics card
June 6, 2014 2:24:02 PM

bwl said:
SR-71 Blackbird said:
PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($49.99 @ NCIX US)
Total: $49.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-06-06 17:14 EDT-0400)

darn...so will that power supply have all the cables I am using right now plus the ones I need for the card?


Yes, and the current unit definitely needs to be replaced.
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a c 2488 ) Power supply
a c 928 U Graphics card
June 6, 2014 2:27:24 PM

Yes the XFX 550 listed above is a very high quality unit with more than enough connections.
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June 6, 2014 2:32:53 PM

SR-71 Blackbird said:
Yes the XFX 550 listed above is a very high quality unit with more than enough connections.

I guess I'll buy a new PSU and then get a new gpu, I suppose it's better than taking the risk
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a c 2488 ) Power supply
a c 928 U Graphics card
June 6, 2014 2:34:13 PM

Yes it is , never go to cheap on the power supply it puts your other components at risk.
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June 6, 2014 2:55:00 PM

SR-71 Blackbird said:
Yes it is , never go to cheap on the power supply it puts your other components at risk.

I've never replaced a PSU before, as someone helped me out last time so do you know of any good tutorials on how to do it? Just in case I end up putting the cables in the wrong connection on something which is something I'd do lol
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a c 2488 ) Power supply
a c 928 U Graphics card
June 6, 2014 2:55:11 PM

It's easy , takes very little time.
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!