Need to see if I am able to power these 2 GPUs

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tloz6996

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Nov 14, 2013
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I have the Asus m4a785td v evo motherboard, Im planning to mine litecoin with this rig and i am planning to buy 2 7850's.
Thing is that my current PSU is the Arctic power 700W PSU. (my PSU is from a poor brand but these are the specs:http://www.hotukdeals.com/deals/arctic-power-700w-psu-with-pci-e-4x-717503)
So I want to know if I am able to power up 2 7850's using this power supply.

And if I were to buy another PSU, would a 550W/600W PSU be enough to run 2 7850s on max and amd phenom II x2 550 ?
 
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tloz6996

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Nov 14, 2013
6
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10,510


So my current PSU is alright? Ive heard some reviews saying that using this PSU for dual GPU has a high risk of it failing since the brand isnt that reliable. And can my current PSU power 2 GPUs?
Tbh, I've had this for ~3/4 years and its never failed me since (apart from a high pitched noise coming from it but I cant hear that another more although it did last for a couple of months).
 
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tloz6996

Honorable
Nov 14, 2013
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10,510


But on the specs, it does say 1x 6pin PCI-Express Connector (via 4pin Molex Adaptor) so doen't that mean I can only power up 1 graphics card? If I can power up 2 then how would I do this? E.g would I need to buy another extension etc?
 
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auntarie

auntarie

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Feb 27, 2012
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You can buy a molex to PCI-e adapter in pretty much any store. However, if a PSU doesn't have the power connectors needed for a graphics setup, it most likely can't power it... Tell you what, I still have faith in that PSU so get an adapter (it shouldn't cost more than $3) and try powering the system up. If it works fine, you're good to go. But if it crashes even once and you get the infamous "Driver stopped working" message, you'll need to get a new PSU as soon as possible.
 
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