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Is my powersupply good enough!

Tags:
  • Power Supplies
  • Radeon
  • Powersupply
  • Sapphire
  • Graphics
Last response: in Graphics & Displays
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July 4, 2013 9:27:36 AM

I'm thinking to buy 2 Sapphire Radeon HD 7950 3GB GDDR5 to my pc.
i have XFX 650W power supply
Asus Maximus VI Gene Motherboard
Intel Core i5-4670K CPU
2 HDD and 1 SSD
Ive seen that 1 Sapphire Radeon HD 7950 use 500W so i'm pretty sure that my power supply wont be enough.But how much watt i need to power my system :) 
If you need more details about my system just tell me

More about : powersupply good

a b ) Power supply
July 4, 2013 9:39:35 AM

500W is the recommend supply for an entire computer with a 7950.

Looks like a single 7950 can pull about 160W when overclocked.

i5-4670k 84W TPD (135 OC)
320W
Ram, motherboard, fans, drives, ~100W

Not looking good. You should probably look into a 700-750 supply for some head room.
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July 4, 2013 9:48:22 AM

Pushing it with your current power supply. At that price I'd just go with a single GTX 780 or two GTX 760s and a decent 850W PSU. Perhaps an HD 7970 and couple hundred bucks worth of beer?
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a c 311 ) Power supply
July 4, 2013 9:48:32 AM

Eliasu said:
I'm thinking to buy 2 Sapphire Radeon HD 7950 3GB GDDR5 to my pc.
i have XFX 650W power supply
Asus Maximus VI Gene Motherboard
Intel Core i5-4670K CPU
2 HDD and 1 SSD
Ive seen that 1 Sapphire Radeon HD 7950 use 500W so i'm pretty sure that my power supply wont be enough.But how much watt i need to power my system :) 
If you need more details about my system just tell me


Hi - realhardtechx suggests(their expertise) 700w, but they take into account
PSU's that don't deliver their rated specs, and older designs that don't have
enough amperage allocated to the +12v rail(s).
your XFX650 has 53a on the +12v rail and 4 pcie connectors.
You can run your system with two 7950's with the XFX 650.


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July 4, 2013 9:48:47 AM

Thanks everyone :) 
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!