8-pin to 6-pin cable

Skalpa · Nov 16, 2015

Hi,
I'm upgrading a PC, and specifically the CGU, with a GeForce GTX 960 WindForce 4 Go DDR5 which requires a 2x6pin power supply.
My PSU is an Akasa Venom 550w, which has 2x8pin connectors to do so.
My problem is I seem to have lost one of the cables that was in the PSU box, and I'm at a loss to find another 8-pin to 6-pin (or 6+2) cable.
I have a feeling I might have to buy a new PSU.
Does anybody know how I could get my hands on a similar cable? All I see is connectors on the PSU side with 6 pins!!

madmatt30 · Nov 16, 2015

You have a 6+2 pin PCI express cable ??
If so you could just grab a 8 pin to 2x6 pin adapter.
6+2 is capable if 150w the sane as 2x6 pin so you should have no problems.

Otherwise just get a molex to 6 pin adapter.

Dark Lord of Tech · Nov 16, 2015

I wouldn't run adapters on an AKASA PSU.

madmatt30 · Nov 16, 2015

^ I know what you're saying but in all honesty that 960 is never going to pull more than 100w through the power cables.
960's top out at 160w absolute max due to nvidias hard locked power limit.

Dark Lord of Tech · Nov 16, 2015

Those are very poor PSU's, your point is good and it should be fine , i don't trust adapters on low quality supplies.

Skalpa · Nov 16, 2015

I tried it (8 pin to molex to 6 pin, in addition to the 8 to 6+2 pin cable I already have) : indeed it didn't work.

I'm just looking for the exact same cable, and it just seems impossible to find!!

Something like this:

WP_20151116_17_36_26_Raw by Faure Pascal, on Flickr

Dark Lord of Tech · Nov 16, 2015

You have to find one made made for that exact PSU.

madmatt30 · Nov 16, 2015

Skalpa :

not understanding why it wouldnt work?
as blackbird says you need one made for that psu which will be hard work as its a defunct model.

all im talking about is an adapter like this which should work fine plugged into your psu molex cable
http://www.ebay.com/itm/4-Pin-Molex-to-6-Pin-PCI-Express-PCIE-Video-Card-Power-Converter-Adapter-Cable-/111759091235?hash=item1a055c6623:g:SrAAAOxy0bRTENOF

or there are twin 6 pin splitters to run off a 6+2 pin

http://www.ebay.com/itm/NEW-PCI-E-8-PIN-TO-PCI-E-6-PIN-Y-SPLITTER-POWER-CABLE-8-MADE-IN-AMERICA-/261290887157?hash=item3cd62687f5:g:vV4AAOxy56hSPE9R

although looking at your card it needs a 8+6 pin which for a 960 in just frankly ridicolous - that gives it a theoretical power of 300w which is more than twice what it can actually pull from the psu - these cards are hardlocked power limit wise - that just looks a bit of marketing crap to me in all honesty.

Skalpa · Nov 17, 2015

Thank you all for your help, but I think I wasn't clear with my issue and configuration.

So, this is what I have on the PSU side (2 8-pin PCIE connectors):

alim 1 by Faure Pascal, on Flickr

And this is what I have on the GPU side (2 6-pin connector):

WP_20151117_08_34_16_Raw by Faure Pascal, on Flickr

My problem is I only have one cable to connect these 2 together (the other one, which I am sure was in the PSU box when I bought it 3 years ago, is most probalby lost).

Anyway, I'm starting to consider investing into a new, good quality PSU : any advice on that? (core I7-4790k, 1 SSD, 1 HD, 3 fans, a watercooling system, Asus H97-plus MB, and, so, a GeForce GTX 960 WindForce 4 Go DDR5 GPU : I'm pretty sure I can do with 550watts).

Thanks again

madmatt30 · Nov 17, 2015

Anything by xfx or seasonic , or antec hcg range - from seasonic or the antecs the 520w models are enough.
Any of the xfx 550w models is also plenty.

With any of those options you don't go wrong.

You never mentioned country ??

I did understand shat you meant - you only gave a sole 6+2 PCI express cable to use??

A molex to 6 pin or a 6+2 to 2x6 pin splitterxshould work fine - that PSU is single rail - there should be no problem using an adapter.
Its an old model though, was mediocre when new & it is maybe time to replace it anyway.

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8-pin to 6-pin cable

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Skalpa

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Skalpa

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