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What power supply do i need?

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  • Power Supplies
  • Cases
  • Graphics Cards
  • Components
  • Motherboards
Last response: in Components
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August 19, 2014 10:13:11 AM

Hey guys,

I am choosing the components of my PC and i have no idea what PSU i need....
Maybe you guys can help me with that.

Case: Corsair Obsidian 650D
Motherboard: AsRock Fatal1ty ATX S1150 H97 Killer
CPU: Intel Core i5-4590 3.3 GHz 1150
Memory: Corsair 2x4GB DDR3, 1866 HMz, 240pin DIMM
Videocard: ASUS GeForce GTX 760 DirectCU II OC 2GB
Storage: Western Digital Blue, 1TB, 3.5”

Thank you for your time :) 

More about : power supply

a b U Graphics card
August 19, 2014 10:19:20 AM

Get a 620 Watt SeaSonic one, and if you're planning on going SLI in the future, get a AX-860.
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a c 1218 ) Power supply
a c 578 U Graphics card
a c 224 V Motherboard
August 19, 2014 10:19:52 AM

For a system using a single NVIDIA Reference Design GeForce GTX 760 graphics card NVIDIA specifies a minimum of a 500 Watt or greater system power supply that has a maximum combined +12 Volt continuous current rating of 30 Amps or greater and that has at least two 75 Watt 6-pin PCI Express supplementary power connectors. Some of the non-Reference Design GeForce GTX 760 cards have a single 150 Watt 8-pin (e.g. ASUS GTX 760 DirectCU II OC) or two 150 Watt 8-pin (e.g. MSI GTX 760 HAWK) or one 75 Watt 6-pin and one 150 Watt 8-pin (e.g. Gigabyte GTX 760 WindForce OC, EVGA GTX 760 SC w/ACX Cooler, MSI GTX 760 TwinFrozr Gaming) 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) 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.

What is your power supply unit budget amount? What brands and models of power supply units do you have available where you live?
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a b U Graphics card
August 19, 2014 12:09:19 PM

That is an excellent PSU, i recommend it.
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a c 1218 ) Power supply
a c 578 U Graphics card
a c 224 V Motherboard
August 20, 2014 5:12:17 PM

AxeDream said:
JuniorPCBuilder said:
Get a 620 Watt SeaSonic one, and if you're planning on going SLI in the future, get a AX-860.


Is this a good choice then?
http://www.newegg.com/Product/Product.aspx?Item=N82E168...


It isn't Intel Haswell compatible. It's based on an older group regulated circuit design. You will need to make sure that you disable support for C6/C7 low power states in the motherboard's BIOS to ensure that you won't encounter the problem where the system won't wake up from the low power sleep state because the PSU has shut down because a protection circuit was triggered when one of the PSU rail's voltage goes out of spec. When that happens you will need to turn the PSU's main AC power switch on and off a few times to get the PSU's protection circuit to reset itself.

The following semi-modular or fully-modular PSUs are fully Intel Haswell compatible:

SeaSonic G Series SSR-550RM 550W
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

SeaSonic M12II 750 SS-750AM2 750W
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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August 21, 2014 6:19:06 AM

ko888 said:
AxeDream said:
JuniorPCBuilder said:
Get a 620 Watt SeaSonic one, and if you're planning on going SLI in the future, get a AX-860.


Is this a good choice then?
http://www.newegg.com/Product/Product.aspx?Item=N82E168...


It isn't Intel Haswell compatible. It's based on an older group regulated circuit design. You will need to make sure that you disable support for C6/C7 low power states in the motherboard's BIOS to ensure that you won't encounter the problem where the system won't wake up from the low power sleep state because the PSU has shut down because a protection circuit was triggered when one of the PSU rail's voltage goes out of spec. When that happens you will need to turn the PSU's main AC power switch on and off a few times to get the PSU's protection circuit to reset itself.

The following semi-modular or fully-modular PSUs are fully Intel Haswell compatible:

SeaSonic G Series SSR-550RM 550W
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

SeaSonic M12II 750 SS-750AM2 750W
http://www.newegg.com/Product/Product.aspx?Item=N82E168...


Will either of those be a good choice?

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August 21, 2014 6:30:44 AM

AxeDream said:
ko888 said:
AxeDream said:
JuniorPCBuilder said:
Get a 620 Watt SeaSonic one, and if you're planning on going SLI in the future, get a AX-860.


Is this a good choice then?
http://www.newegg.com/Product/Product.aspx?Item=N82E168...


It isn't Intel Haswell compatible. It's based on an older group regulated circuit design. You will need to make sure that you disable support for C6/C7 low power states in the motherboard's BIOS to ensure that you won't encounter the problem where the system won't wake up from the low power sleep state because the PSU has shut down because a protection circuit was triggered when one of the PSU rail's voltage goes out of spec. When that happens you will need to turn the PSU's main AC power switch on and off a few times to get the PSU's protection circuit to reset itself.

The following semi-modular or fully-modular PSUs are fully Intel Haswell compatible:

SeaSonic G Series SSR-550RM 550W
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

SeaSonic M12II 750 SS-750AM2 750W
http://www.newegg.com/Product/Product.aspx?Item=N82E168...


Will either of those be a good choice?



Yes, both of those will do just fine.
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!