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Windows 7: EVGA - What would you pay for PCIE cables?

16 Jan 2014   #31
sygnus21

Windows 10 Pro
 
 

Quote   Quote: Originally Posted by Britton30 View Post
Now I recall it was where you connected the cables from the SPU to the other extension that had only a 6-pin connector, I think. Is that right?
Shown is a black NZXT 6-Pin to 6+2Pin VGA Extension Cable connected to typical power supply cable (red). So....

The red side connected to the (modular) power supply will have a 6+2 pin at other end (yellow & black circle).

The black side is a 6+2 pin and is connected to either a 6 or 8-pin GPU. If connected to a 6-pin GPU, the 2 pin connector would just be dangling like that shown in the yellow circle.

EVGA - What would you pay for PCIE cables?-vga-cable.jpg

The extra 2 pins are simply extra ground cables; Thus the reason most extension cables for the GPU just utilize 6-pins on one end with the 2 extra ground pins on the other end sharing a common ground at the 6-pin side as shown in the example above with the black NXZT extension cable.

Some power supplies utilize a true 8 pin power configuration for those GPU's requiring 8 pins, especially as GPU's become more and more powerful. You have to figure there's a reason a GPU was designed with 8 pins in mind instead of 6.

Anyway there was a discussion here - Pci-e cables 'actual limits vs artificial limits' - jonnyGURU Forums


How this clarifies




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17 Jan 2014   #32
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Yup, I was backasswards, You wanted to fix the "dangler" you had in the yellow circle. I just look you GPU up, two 8-pin connectors.
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17 Jan 2014   #33
sygnus21

Windows 10 Pro
 
 

Quote   Quote: Originally Posted by Britton30 View Post
I just look you GPU up, two 8-pin connectors.
Yep, it takes two 8-pin connectors. And, as I said before, if Sapphire wanted 6 pin connections, they would have made it 6-pin. Am I being overly "cautious", perhaps.

Quote   Quote: Originally Posted by Britton30 View Post
You wanted to fix the "dangler" you had in the yellow circle.
Not necessarily dangling, but un-used pins coming from the PS to the GPU
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17 Jan 2014   #34
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

No, I think a GPU needs all the power connections it's designed for. Under power can cause damage like having too much.
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19 Mar 2014   #35
AddRAM

Windows 7 Pro x64 Windows 10 Pro x64
 
 

So shouldn`t you connect those other 2 red cables up to the black extension cable if you need all 8 ?
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19 Mar 2014   #36
sygnus21

Windows 10 Pro
 
 

That image is of my old extension cable with only had 6-pins on one side, which is why I wanted a "true" 8-pin cable. See this post for the 8-pin cable image - EVGA - What would you pay for PCIE cables?

Then read from here - EVGA - What would you pay for PCIE cables?

Bottom line, no pins or connections are dangling...

EVGA - What would you pay for PCIE cables?-haf-x-backside.jpg

EVGA - What would you pay for PCIE cables?-_adm2508.jpg


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19 Mar 2014   #37
AddRAM

Windows 7 Pro x64 Windows 10 Pro x64
 
 

Single 8 pin pci-express cable with 8 pin and 6 pin piggyback. Is this safe to use on a card with an 8 pin and a 6 pin input connector ?
EVGA is telling me it is
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19 Mar 2014   #38
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Nice pics and cabling job Drew. I like the green SATA cables going with the green board highlights.
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19 Mar 2014   #39
sygnus21

Windows 10 Pro
 
 

Quote   Quote: Originally Posted by AddRAM View Post
Single 8 pin pci-express cable with 8 pin and 6 pin piggyback. Is this safe to use on a card with an 8 pin and a 6 pin input connector ?
EVGA is telling me it is
Yes. For cards requiring only six pins, the other two (split) are just left dangling since they're not used. For cards requiring 8-pin connections, those two extra pins would be used.

Since my card requires 8-pin connections, and I didn't want red cables, I went with a true 8-pin extension so no pins would be dangling at either end

BTW those are the same cables that came with my PS as well. I got six of those red cables in all. Two like the ones you show, and four like the ones shown here.

Quote   Quote: Originally Posted by Britton30 View Post
Nice pics and cabling job Drew. I like the green SATA cables going with the green board highlights.
Thanks. Yeah I thought that was a nice touch. BTW those particular green cables are just going to my hot swap bays. Wanted something to distinguish them from the others
My System SpecsSystem Spec
20 Mar 2014   #40
badger906

Windows 7 Ultimate x64, & Mac OS X 10.9.2
 
 

id never pay for something I could make myself. bit of heat shrink and some sleeving.. could make it any colour in the world for an afternoons work
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 EVGA - What would you pay for PCIE cables?




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