On a fully modular PSU, what are the graphics card connectors?

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broidk

broidk

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Oct 22, 2015
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I have the EVGA GS 850W 80+ gold PSU and it has 8-pins that say like VGA 1 VGA 2. There are are 4 on the top, one says VGA 4/CPU2 and VGA 1 is on the bottom row next to the 6-pin "sata" area. I Just got the Sapphire r9 390 which has 2 8-pin connectors. Are those VGA ports the graphics card ports, and why is one on the bottom row? First build, still don't have all the parts yet, but want to try and sort out what I might need to return and buy in replacement before I actually get to building the thing, it doesn't fit, and I have to wait a week for new parts lol
 
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turkey3_scratch
The VGA ports are for the graphics cards. The cables themselves have labels on them, too, that plug into the corresponding connector on the PSU. Some VGA cables (also known as PEG, PCIe cables, video card cables) are 6+2 and some are just strictly 8-pin. the 6+2 form an 8 so it's perfectly fine to put that into an 8.
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turkey3_scratch

turkey3_scratch

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The VGA ports are for the graphics cards. The cables themselves have labels on them, too, that plug into the corresponding connector on the PSU. Some VGA cables (also known as PEG, PCIe cables, video card cables) are 6+2 and some are just strictly 8-pin. the 6+2 form an 8 so it's perfectly fine to put that into an 8.
 
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Solution
cst1992

cst1992

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Nov 8, 2013
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Also, keep a close watch on the sockets. It's fairly easy to confuse a EPS 12V 8-pin connector with the 8-pin PCI-E connector. Fortunately, all modern PSU's have labeled connectors. Look for CPU/PCI-E on the side of the connector.

The CPU connector will go to a socket next to the CPU socket and the PCI-E will go to the graphics card. Keep in mind that you have to connect ALL the card's power sockets to the PSU, not just one.
 
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cst1992

cst1992

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Another easy check is to see how the cable splits. Most PSU's have a 8 pin PCI-E connector that goes 6 + 2, so that the 6 pin part can be used for a card that uses 6-pin power connectors. The CPU connector similarly splits 4+4 for old motherboards that only use 4-pin. Some of the pinheads are rounded and some are square, so it's pretty hard to force a connector in the wrong socket.
 
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