1 8 pin leading to 2 8pin pcies?????

[spiers333]

This is so weird I just got my Xfx xtr full modular but the pcie cables with it are a 1 8pin to 2 8pin this is so weird the design is this even normal how can I even bend it can I even use it on a gtx 970 gaming g1?

 

[JackNaylorPE]

I have seen cables that go from 8 pin to a 6 and 6+2 pin which is safe as long as you connect:

8 Pin to 6 pin and 6 pin (leave 2 dangling)
8 Pin to 6+2 pin (leave 6 dangling)

An 8 pin cable is rated fro 150 watts, 6 pin at 75 ..... (2) 8 pins can pull (2) x 150

 

[spiers333]

I have seen cables that go from 8 pin to a 6 and 6+2 pin which is safe as long as you connect:

8 Pin to 6 pin and 6 pin (leave 2 dangling)
8 Pin to 6+2 pin (leave 6 dangling)

An 8 pin cable is rated fro 150 watts, 6 pin at 75 ..... (2) 8 pins can pull (2) x 150

are you saying to use both of the included 8 pins to 2 8pins but leave the 2nd 8 pin on the 2 8 pin cable dangling and use both to power gfx card and leave all the 2nd 8 pin dangling?

 

[mcnumpty23]

my psu has similar--though mine are 2 x 6 pin +2 pin to make the 2 x 8

it is a pain to bend to plug in my msi gtx g4 gaming with them--but it does go

rather than using my second cable thats the same and leaving 2 connectors dangling

 

[spiers333]

my psu has similar--though mine are 2 x 6 pin +2 pin to make the 2 x 8

it is a pain to bend to plug in my msi gtx g4 gaming with them--but it does go

rather than using my second cable thats the same and leaving 2 connectors dangling

So the g1 gtx 970 is 1 6pin and 1 8pin so can i just use a single cable with 2 6+2 pins to power the card???

 

[mcnumpty23]

my psu has similar--though mine are 2 x 6 pin +2 pin to make the 2 x 8

it is a pain to bend to plug in my msi gtx g4 gaming with them--but it does go

rather than using my second cable thats the same and leaving 2 connectors dangling

So the g1 gtx 970 is 1 6pin and 1 8pin so can i just use a single cable with 2 6+2 pins to power the card???

yes--thats exactly what i am doing--they should bend to allow it--my corsair ax860i cables do though its tight

 

[coozie7]

Plug the solid 8 pin plug into the PSU and use the two 6+2 ends as you would normally.
Use one lead per GPU.
Yes, some of the 2 pin parts can be a little difficult to push aside because the wires are so short.

 

[spiers333]

Plug the solid 8 pin plug into the PSU and use the two 6+2 ends as you would normally.
Use one lead per GPU.
Yes, some of the 2 pin parts can be a little difficult to push aside because the wires are so short.

Theres no solid 8 the cable is 1 8 pin from psu leading to 2 6+2s

 

[coozie7]

Yep, plug the 8 pin into the PSU and use the 6+2 plugs as normal, one lead per GPU.

 

[spiers333]

Yep, plug the 8 pin into the PSU and use the 6+2 plugs as normal, one lead per GPU.

When u mean one lead does that mean use both 1 8pin to 2 6+2 to the card

 

[mcnumpty23]

what the op means is--at the graphics card end of the modular psu cable there are 2 six pin plus 2 pin connectors

the distance between those connectors is only a couple of inches and its a thick cable with heatshrink as well making it hard to bend tightly

trying to plug both into the connectors on the gpu that are right next to each other means you need to make a tight u

bend with the cable so both connectors will plug in--its tight but it will go

 

[mcnumpty23]

Yep, plug the 8 pin into the PSU and use the 6+2 plugs as normal, one lead per GPU.

When u mean one lead does that mean use both 1 8pin to 2 6+2 to the card

the psu end may also be 8 pin--thats causing confusion

you plug in the psu end of only ONE cable that has 2 six pin plus 2 connectors

 

[JackNaylorPE]

are you saying to use both of the included 8 pins to 2 8pins but leave the 2nd 8 pin on the 2 8 pin cable dangling and use both to power gfx card and leave all the 2nd 8 pin dangling?

8 pin => 8 pin is OK
8 pin => 6+2 pin is OK
8 pin => 6 + 6 pin is OK

8 pin => 8 + 8 pin is NG
8 pin => 6+2 + 6+2 pin is NG
8 pin => 6+2 + 6 pin is NG

6 pin = 75 watts
6+2 = 150 watts
8 pin = 150 watts

From the 8 pin connection to the PSU, you can have a max of 150 watts at the other end. An 8 pin (150 watts) cable can not handle the rated load from two (2 x 150 watt) 6+2 cables nor the load from an 8 pin + 6 pin (150 + 75 = 225).

If you are having trouble trying to bend the wires so you can connect two 6+2 cables (or 6+ 2 plus 6 pin) from the same 8 pin connection to the CPU, take that as a sign you are NOT SUPPOSSED TO DO THAT !

If you do that on 970 you will get away with it get away with it as, even overclocked, the card won't reach the rated load of the cables. Try that on a 290x and expect smoke and / or burning smells,

It's the dumbest move to cut cost that I can recall seeing in the industry. Got a set of these for an EVGA G2 and oddly enough, the custom sleeved cables that the user orders were wired the same way. Luckily, there was enough "normal" cables in the set to complete the build, I wrapped the other cables up with tape and wrote "Do Not Use" on them.

In the future, I will be checking PSU box contents and eliminating any that come with these cables.

 

[spiers333]

are you saying to use both of the included 8 pins to 2 8pins but leave the 2nd 8 pin on the 2 8 pin cable dangling and use both to power gfx card and leave all the 2nd 8 pin dangling?

8 pin => 8 pin is OK
8 pin => 6+2 pin is OK
8 pin => 6 + 6 pin is OK

8 pin => 8 + 8 pin is NG
8 pin => 6+2 + 6+2 pin is NG
8 pin => 6+2 + 6 pin is NG

6 pin = 75 watts
6+2 = 150 watts
8 pin = 150 watts

From the 8 pin connection to the PSU, you can have a max of 150 watts at the other end. An 8 pin (150 watts) cable can not handle the rated load from two (2 x 150 watt) 6+2 cables nor the load from an 8 pin + 6 pin (150 + 75 = 225).

If you are having trouble trying to bend the wires so you can connect two 6+2 cables (or 6+ 2 plus 6 pin) from the same 8 pin connection to the CPU, take that as a sign you are NOT SUPPOSSED TO DO THAT !

If you do that on 970 you will get away with it get away with it as, even overclocked, the card won't reach the rated load of the cables. Try that on a 290x and expect smoke and / or burning smells,

It's the dumbest move to cut cost that I can recall seeing in the industry. Got a set of these for an EVGA G2 and oddly enough, the custom sleeved cables that the user orders were wired the same way. Luckily, there was enough "normal" cables in the set to complete the build, I wrapped the other cables up with tape and wrote "Do Not Use" on them.

In the future, I will be checking PSU box contents and eliminating any that come with these cables.

so plugging a 8 pin with the 2x6+2 pins into the 970 with only 2x6pins leaving the 4 2 pins dangling is ok correct?

 

[JackNaylorPE]

Again, 8 pin => 6 + 6 pin is OK ... you can have 0, 2, 4 or a 100 pins dangling, the only ones that count are the ones plugged in. If 8 pins on a cable go into PSU and ony (2) 6 pins go into GFX card, ya fine..... it would be easier if ya thot about watts than pins

6 pins into card = 75 watts
6 pins into card = 75 watts
A. Total power rating of cables at card end = 150 watts

B. Rating of 8 pi connector = 150 watts

As long as B is equal to or bigger than A you're fine as far as cables go.