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Why sapphire list 750w PSU o their R9 280x?

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  • Power Supplies
  • Sapphire
  • AMD
  • CPUs
  • Components
  • Graphics Cards
Last response: in Components
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October 18, 2013 2:16:26 PM

Why sapphire list 750w PSU o their R9 280x? Isnt 550 enough for it. Do they list it for Xfire ?

More about : sapphire list 750w psu 280x

a c 1218 ) Power supply
a b À AMD
a c 110 à CPUs
a c 578 U Graphics card
October 18, 2013 3:09:35 PM

It's to handle systems that use an AMD FX 9590 CPU that has a TDP of 219 Watts.

System power estimates use to be based on a reference system that uses an Intel Core i7 3.2 GHz 130 Watt TDP CPU.
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October 18, 2013 3:12:21 PM

ko888 said:
It's to handle systems that use an AMD FX 9590 CPU that has a TDP of 219 Watts.

System power estimates use to be based on a reference system that uses an Intel 3.2 GHz 130 Watt TDP CPU.


So I am perfectly safe with good quality 550 using Haswell i5. Even when overclocking both cpu and gpu ?
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Best solution

a c 1218 ) Power supply
a b À AMD
a c 110 à CPUs
a c 578 U Graphics card
October 18, 2013 3:16:26 PM

Bartek Bartosik said:
So I am perfectly safe with good quality 550 using Haswell i5. Even when overclocking both cpu and gpu ?


For a system using a single Radeon R9 280X graphics card a minimum of a 600 Watt or greater system power supply is recommended. The power supply should also have a maximum combined +12 Volt continuous current rating of 42 Amps or greater and have at least one 6-pin and one 8-pin PCI Express supplementary power connectors.

Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Sufficient Total Combined Continuous Power/Current Available on the +12V Rail(s) rated at 45°C - 50°C ambient temperature, is the most critical factor.

Overclocking of the CPU and/or GPU(s) may require an additional increase to the maximum combined +12 Volt continuous current ratings, recommended above, to meet the increase in power required for the overclock. The additional amount required will depend on the magnitude of the overclock being attempted.
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October 18, 2013 3:37:13 PM

ko888 said:
Bartek Bartosik said:
So I am perfectly safe with good quality 550 using Haswell i5. Even when overclocking both cpu and gpu ?


For a system using a single Radeon R9 280X graphics card a minimum of a 600 Watt or greater system power supply is recommended. The power supply should also have a maximum combined +12 Volt continuous current rating of 42 Amps or greater and have at least one 6-pin and one 8-pin PCI Express supplementary power connectors.

Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Sufficient Total Combined Continuous Power/Current Available on the +12V Rail(s) rated at 45°C - 50°C ambient temperature, is the most critical factor.

Overclocking of the CPU and/or GPU(s) may require an additional increase to the maximum combined +12 Volt continuous current ratings, recommended above, to meet the increase in power required for the overclock. The additional amount required will depend on the magnitude of the overclock being attempted.


I found this http://www.newegg.com/Product/Product.aspx?Item=N82E168... and it seems like a really good deal (save 29%) . Would you care to let me know what you think abot this PSU?
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a c 1218 ) Power supply
a b À AMD
a c 110 à CPUs
a c 578 U Graphics card
October 18, 2013 3:43:40 PM

Bartek Bartosik said:
I found this http://www.newegg.com/Product/Product.aspx?Item=N82E168... and it seems like a really good deal (save 29%) . Would you care to let me know what you think abot this PSU?


Good choice. Has more than sufficient +12V rail capacity and comes with four (6+2)-pin PCI Express supplementary power connectors.
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October 18, 2013 3:54:39 PM

ko888 said:
Bartek Bartosik said:
I found this http://www.newegg.com/Product/Product.aspx?Item=N82E168... and it seems like a really good deal (save 29%) . Would you care to let me know what you think abot this PSU?


Good choice. Has more than sufficient +12V rail capacity and comes with four (6+2)-pin PCI Express supplementary power connectors.




Thank you for help. I think Rosewill CAPSTONE-750 is a steal for 99$ plus i bundle with other parts on newegg so shipping is cheap. Plus o tax. Creating systems by yourself is not only fun ad exciting but also rewarding. With all the deals I found on the web I got a beast mode gaming rig for less than 950$. can run everything maxed out in current generation of games. I can imagine all in one PC wih specs like that goes ~ 2k$. You just need to be smart about building. This is amazing.
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October 23, 2013 12:07:30 AM

Bartek Bartosik said:
ko888 said:
Bartek Bartosik said:
I found this http://www.newegg.com/Product/Product.aspx?Item=N82E168... and it seems like a really good deal (save 29%) . Would you care to let me know what you think abot this PSU?


Good choice. Has more than sufficient +12V rail capacity and comes with four (6+2)-pin PCI Express supplementary power connectors.




Thank you for help. I think Rosewill CAPSTONE-750 is a steal for 99$ plus i bundle with other parts on newegg so shipping is cheap. Plus o tax. Creating systems by yourself is not only fun ad exciting but also rewarding. With all the deals I found on the web I got a beast mode gaming rig for less than 950$. can run everything maxed out in current generation of games. I can imagine all in one PC wih specs like that goes ~ 2k$. You just need to be smart about building. This is amazing.


Hate to bump old thread, But you're right. I too bundled and bought virtually everything on sales. I now have a Beast with an 8350, 850wpsu, 280x, 8gb 9-9-9-24 timed ram @1866 and, A nice MOBO capable of crossfire. I got the 850w since I can crossfire another 280x in the future with it, but just barely. Yep, Mine was $1050 with windows 8.1, and I spent too much on the fancy case. Never let anyone tell you you have to pay for performance, anyone saying that a $1000 titan is worth it definately overpayed for performance. Don't cheap out, but hey, My PC's a grand and I didn't use any cheap brands. Good luck with your build, and nice PSU for the price!
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