Crosshair vi psu

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Jack_254

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Mar 30, 2017
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Im planning in getting the crosshair vi Hero but i don't know which power supply I need. I'm confused because the mb has two 8pin connectors. Please help
 
Solution
Eximo
Usually the extra 12V lines are for providing power to additional video cards via the PCIe bus. Not all cards consume a lot of power through there. RX480 being the most recent culprit of even exceeding board specs. If you had, say, three of those, it would be a struggle for a single 8-pin connector to power all the cards and the CPU. Thus the additional wires.

Your power supply doesn't provide any more or less power, it just prevents excess heating, and thus voltage drop, on a smaller number of wires. (And 12V PC wires are very underrated, if you go by the rated specs of twisted strand copper they can handle a lot more than what the 'standards' say)
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Eximo

Eximo

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Then you need a PSU that offers two EPS connectors. Usually power supplies in the 1000W plus range have that. (Corsair RM1000X, EVGA SuperNOVA 1000 G2/G3, etc)

Unless you are planning on several high end GPUs or going way passed extreme on CPU overclocking, you can probably pick up a cheaper motherboard.
 
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J

Jack_254

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Mar 30, 2017
8
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510


OK then I will go with the prime x370
 
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DMinion

DMinion

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Are you sure about that? I have one and there is an 8+4 connector meant for extreme overclocking. I only plugged in the 8pin and no issues so far running 3.7Ghz at 1.25v. I'm using an EVGA 650w power supply. I haven't pushed it further because I'm testing the stock cooler as I wait for my AM4 bracket but I only have an H80i V2 so I don't think there will be too much difference...maybe it'll keep temps a bit cooler.
 
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Eximo

Eximo

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Usually the extra 12V lines are for providing power to additional video cards via the PCIe bus. Not all cards consume a lot of power through there. RX480 being the most recent culprit of even exceeding board specs. If you had, say, three of those, it would be a struggle for a single 8-pin connector to power all the cards and the CPU. Thus the additional wires.

Your power supply doesn't provide any more or less power, it just prevents excess heating, and thus voltage drop, on a smaller number of wires. (And 12V PC wires are very underrated, if you go by the rated specs of twisted strand copper they can handle a lot more than what the 'standards' say)
 
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