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hd 7870 ghz in cross fire 700 watt psu enough

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  • Power Supplies
  • Systems
  • HD
Last response: in Systems
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November 30, 2013 11:40:57 AM

I was wondering if i could run 2 hd 7870ghz oc editions with this power supply , i have a cd drive external usb couple usb devices an fx 8350 cpu, 3 led fans

power supply is Rosewill Stallion Series RD700 700W ATX12V V2.3 SLI Ready

oh im also running 16gb of ram

More about : 7870 ghz cross fire 700 watt psu

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a b ) Power supply
November 30, 2013 11:55:04 AM

I recommend a new PSU on general principal, the rosewill stallions are not quality units.

Having said that, the PSU's +12v rail and wattage will support 2 7870's. However, you will need an adapter, as the PSU only has two 6 pin and one 6+2 pin PCI-e connectors. (you will need four 6 pin connectors)
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November 30, 2013 11:57:57 AM

What if the 7870 comes with 6pin to molex adapter then will this work okay ? i believe each 7870 comes with a molex to 6 pin connector, meaning i would have 2 of them when i get the second card.
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a b ) Power supply
November 30, 2013 12:56:52 PM

If it does, you're golden. You only need 1 adapter. The 6+2 adapter can be used on either a 6 pin or 8 pin socket.
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