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PERPLEXING POWER PROBLEM

Post Date: 2017-06-26
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jaypeetee44 View Drop Down
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Posts: 184 		  Quote jaypeetee44 Quote  Post ReplyReply bullet Topic: PERPLEXING POWER PROBLEM
    Posted: 26 Jun 2017 at 5:44am
Hello Fellow Enthusiasts,

I recently upgraded from an AMD Radeon HD 5770 to a GTX 1070 FTW. The 5770 had one 6 prong power connection and the 1070 needed two 8 prong connections.

I found the other PCI-E 6 prong connections and other unused power supply connections neatly bundled with a wire tie below the 3.5 HDD/SSD slots. I clipped the wire tie and fed through the other three PCI-E 6 slot connections behind the 3.5 slots and using the EVGA GTX supplied adapters made two 8 prong connectors from four 6 prong connectors.

My question is this: Since I used all of the PCI-E connectors to power the 1070; how is it possible for the X 58 LE motherboard to be SLI ready? Where do you get the power to drive a second 1070 card?

Edited by jaypeetee44 - 26 Jun 2017 at 5:54am
Aventum X
IntelCore i9 11900K 3.5 GHz
Asus Prime 2590-P/MSI-A Pro
32GB DDR4 3200 MHz
1000W Semi-Modular 80+Gold
2xSSD M.2 1 TB Firecuda NVM X
GeForce RTX 3070 8GB VR Ready
H20 Cooling for Processor

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bprat22 View Drop Down
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Posts: 20391 		  Quote bprat22 Quote  Post ReplyReply bullet Posted: 26 Jun 2017 at 7:47am
That psu should have 4x 6+2 pin Pcie connectors.   The 6+2 pin means there is another 2 pin connector folded back and tied to the 6 pin connector.   Just un -snip the tie-wrap and hook the 2 pin to the 6 in.   That way you're only using 2 of your 4 Pcie connectors for single card.   Adapter not needed.

If by chance there are only  6 pin connectors from the psu, you only use the 6 to 8 pin adapter on a single 6 pin from the psu. not ganging two 6 pin pcie connectors together, if I understand this right.  Big%20Smile
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jaypeetee44 View Drop Down
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Posts: 184 		  Quote jaypeetee44 Quote  Post ReplyReply bullet Posted: 26 Jun 2017 at 12:30pm
bprat22,

Thanks for the info...I did wonder what the two folded back wires on the 6 prongs accomplished. Now I know.
Aventum X
IntelCore i9 11900K 3.5 GHz
Asus Prime 2590-P/MSI-A Pro
32GB DDR4 3200 MHz
1000W Semi-Modular 80+Gold
2xSSD M.2 1 TB Firecuda NVM X
GeForce RTX 3070 8GB VR Ready
H20 Cooling for Processor

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bprat22 View Drop Down
DS ELITE
DS ELITE

DigitalStorm East -- (Unofficially!)
Email address used to purchase matched with forums account email.

Joined: 08 Jun 2011
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Posts: 20391 		  Quote bprat22 Quote  Post ReplyReply bullet Posted: 26 Jun 2017 at 12:59pm
My pleasure.

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