pcie Y splitter cable/adapter

Soldato
Joined
20 Jun 2011
Posts
3,675
Location
Livingston
Hey guys,

I have just bought a 430w XFX PSU and a GTX 760 as part of a xmas upgrade for a friend.

While Nvidia recommend a minimum of 500w for the GTX 760, the XFX 430w should easily cope with this and a 3570s.

The trouble is the PSU only came with one 6 pin pcie cable and the 760 needs two.

After doing a quick search I have read a few posts saying don't use a 6 pin splitter (1x6pin female - 2x6pin male). Can anyone think of a reason why this would be an issue? It would make cable management a lot easier compared to using a molex 6 pin adapter.

Cheers
 
I think the reasoning behind the don't use a splitter is that it could draw too much power down the single pci-e cable. Can you make out what AWG the cables are in the pci-e lead (it should be printed on the individual cables). I have seen reviews where total system power draw with a GTX760 range between 300-350w. You only have 396w on the 12v rail so your psu could theoretically end up running very close to it's limits and ramp the fan up to full speed resulting in a very loud system. The psu you have bought is clearly only aimed at a basic system and I just can't help but think that you have gone too cheap (I know it's Seasonic built but even they make some poor psu's). The Superflower FX 450w would have been a much better buy. It's only a extra tenner at the moment and it has a pair of 6+2 pin pci-e cables. As you are stuck with the XFX now I suppose the molex to pci-e plug would be the best option.
 
Hey pasty thanks for your reply.

I can check later tonight and see if I can find a AWG rating on the cable. What would you say I'm looking for if I intend on using a 6 pin splitter?

I have seen similar results but most test bench systems are using either 2011 or overclocked 1150 CPU's. The CPU I have to pair with it is a 3570s (65w TDP) The Nvidia spec says 170w for the 760. Should hopefully come in sub 300w by the time I add the ram and HDD's.

I bought the PSU and Fractal 1000 as a bundle - £34.99 seemed like a really good deal but now looking at the Superflower that would have been the better choice.
 
Good move. I really don't like messing around with molex adaptors and the like. If the psu is capable of powering such a card then it would come with the necessary connections. You should be able to sell the XFX on and get back most of your money. The normal price on here is £31 just for the psu.
 
Only bought it as the two came together in a bundle for a great price. If it was for me I would have bought something else but this is part of a xmas upgrade for a friend - need to watch the pennies! I'm sure with it being a rebranded Seasonic it'll not be a poor unit. Had I had the cash to buy a 960 instead of 760 it would be perfectly suited.

As you said pasty should hopefully be able to sell the XFX and get my money back.

Thanks again :)
 
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