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FX-8320 with SLI GTX 970 Power Supply Requirements

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  • Gtx
  • Power Supplies
  • SLI
  • Graphics
Last response: in Graphics & Displays
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October 9, 2014 12:10:16 PM

I plan on upgrading my motherboard and processor to be able to run SLI GTX 970's below are the specs of the system. I currently have a EVGA SuperNova 750 Watt power supply. Will that be powerful enough to run everything, or am I going to have to upgrade to a 800 or 850 Watt?

I already have everything in the list except the motherboard, CPU, and one extra GPU. If I have to upgrade my power supply it may be the same cost to go with an i5-4690K if it would run on my 750 Watt power supply.

FX-8320 OC to 4.2-4.3
Gigabyte ga-990fxa-ud3
2x MSI GTX 970 OC (GTX9704GD5TOC)
GSkill DDR3 1600 2x4gb
2x OC Agility 3 SSD's
1x 1tb 7200rpm HDD (WD Caviar Black)

More about : 8320 sli gtx 970 power supply requirements

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a b ) Power supply
October 9, 2014 12:14:43 PM

dsprehe89 said:
I plan on upgrading my motherboard and processor to be able to run SLI GTX 970's below are the specs of the system. I currently have a EVGA SuperNova 750 Watt power supply. Will that be powerful enough to run everything, or am I going to have to upgrade to a 800 or 850 Watt?

I already have everything in the list except the motherboard, CPU, and one extra GPU. If I have to upgrade my power supply it may be the same cost to go with an i5-4690K if it would run on my 750 Watt power supply.

FX-8320 OC to 4.2-4.3
Gigabyte ga-990fxa-ud3
2x MSI GTX 970 OC (GTX9704GD5TOC)
GSkill DDR3 1600 2x4gb
2x OC Agility 3 SSD's
1x 1tb 7200rpm HDD (WD Caviar Black)


the 750w should be enough for the gtx 970's in sli so no worries .. should be fine
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October 9, 2014 12:57:18 PM

jbrown156 said:
dsprehe89 said:
I plan on upgrading my motherboard and processor to be able to run SLI GTX 970's below are the specs of the system. I currently have a EVGA SuperNova 750 Watt power supply. Will that be powerful enough to run everything, or am I going to have to upgrade to a 800 or 850 Watt?

I already have everything in the list except the motherboard, CPU, and one extra GPU. If I have to upgrade my power supply it may be the same cost to go with an i5-4690K if it would run on my 750 Watt power supply.

FX-8320 OC to 4.2-4.3
Gigabyte ga-990fxa-ud3
2x MSI GTX 970 OC (GTX9704GD5TOC)
GSkill DDR3 1600 2x4gb
2x OC Agility 3 SSD's
1x 1tb 7200rpm HDD (WD Caviar Black)


the 750w should be enough for the gtx 970's in sli so no worries .. should be fine


Yeah, my only concern came when I used Newegg's power supply calculator. It said I need 770 Watts for my system, but from what I have read, most FX-8350 systems use around 350 watts with the 8350 overclocked quite a bit and that would leave 400 watts for the GPUs and they don't usually go over 200 each.
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a b ) Power supply
October 9, 2014 1:00:19 PM

the gpus dont hog alot of power so the 400 remainding should be enough for them ,,
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