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PCIE connector question

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So this is actually for my mining rigs, but you guys seem to have a really good handle on hardware...

 

I have this Silverstone 1300w PSU I bought:

http://www.silverstonetek.com/product.php?pid=757&area=en

 

And for some reason the PCIE ("VGA") rail leads are slightly different from all the others I have.

 

See the picture.

The one on the right is the Silverstone PCIE 6+2 pin and the one on the left is an EVGA GQ series PCIE 6+2 pin.

The middle is a 8 pin to 2x 6+2 pin Y-splitter I bought since the MSI GPU's I have each have 1 - 8pin and 1 - 6pin input for power.

(This would be each PCIE ("VGA") lead from the PSU would power only 1 card, but the rail leads mostly are single 6+2 pin and the cards need a 8pin and a 6pin. The PSU rails are each able to support twice the power of each of my cards so I should be good there.)

 

Notice the male end on the Silverstone (right yellow) has a square plug at the top on (if you are facing it top right) whereas the EVGA (left yellow) and the female adapter plug both have a rounded one.

 

I tested it by shoving the Silverstone one into an adapter and powered a GPU at full load for about 20 minutes and it worked... I'm just concerned because I'll have 24 of these total. My guess is that I could round the edges to make it fit better.

 

But is there a reason it's like this? I mean, the pinout must be consistent or the GPU wouldn't power right?

 

???

 

plugs_2.jpg

Just looks like a janky molding. 

Nothing wrong with the molding. But several modular PSU have added their own twists on the different connnectors.

Some have identical PSU-side connector for 4+4 pin and 8 pin CPU connector and for 6+2 PIN PCI-E. Some have different connector.

 

The PSU at top of this link shows different connectors for CPU and PCI-E cables:

https://www.moddiy.com/products/Ultra-X4-5%2dPin-to-SATA-PCIE-Modular-Cable-(35cm).html

 

The Corsair PSU in this link uses same keying for CPU and PCI-E cables:

https://www.mindfactory.de/product_info.php/1200-Watt-Corsair-AXi-Series-AX1200i-Modular-80--Platinum_808210.html

 

  • Author

Well, it seems to be working...

 

I just shoved the Silverstone PCIE 6+2 into the 8pin splitter and ran with it on my first shelf of 12 cards. Been running for 4 hours now and nothing is hot to the touch (although it's like 58F air temp right now) and everything is working just fine.

 

I guess it is just janky connectors, but what do you expect for half the cost? :/

4 hours ago, HellDiverUK said:

Just looks like a janky molding. 

And if it's not janky molding, I would say it's silverstone changing the keyed-plug for their PSU so you buy their cords. 

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