overclock i7 920 with 550w psu

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m_f_ayyad_2008

Aug 27, 2018
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can i overclock i7 920 to 3.6 ghz with 550w psu?
i have 4gbx6 ram ddr3 , fury x 4gb , 1tb hdd , 1 fan , stock air cooling ,
 
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R
The rated wattage isn't everything about a power supply.

Firstly, that may not represent the real power capabilities for a few reasons.
- It could be rated at peak as apposed to continuous. Peak rating can be 100W more and usually useless for the consumer.
- It could be rated at a lower ambient temperature. Due to de-rating curves PSUs can generally deliver higher amounts at lower temperatures. Typical temps in your PC are 40 - 50C.
- The 12V rail is the one that matters, and account for ~90% of your power consumption. The 12V power rating is more relevant than the overall wattage.

You should be looking the PSU's quality as well. How stable are its voltage delivery, how low is its inrush current, how well does it deal with EMI, how...
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Rexper

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Apr 12, 2017
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The rated wattage isn't everything about a power supply.

Firstly, that may not represent the real power capabilities for a few reasons.
- It could be rated at peak as apposed to continuous. Peak rating can be 100W more and usually useless for the consumer.
- It could be rated at a lower ambient temperature. Due to de-rating curves PSUs can generally deliver higher amounts at lower temperatures. Typical temps in your PC are 40 - 50C.
- The 12V rail is the one that matters, and account for ~90% of your power consumption. The 12V power rating is more relevant than the overall wattage.

You should be looking the PSU's quality as well. How stable are its voltage delivery, how low is its inrush current, how well does it deal with EMI, how long does it last when AC power is lost, how well crafted it is and quality components used on a good design, how quiet and efficient it is.

For compatibility concerns you should also account it's physical size, connector amount and length, maybe modularity.

We need to know the PSUs model number.

A high quality 650W PSU will be fine.
 
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clutchc

clutchc

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Apr 22, 2009
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That PSU is Antec's Value Line and has 2 x +12V rails rated for 30A and 35A. Although I can't find the wattage capacity for those rails, it obviously isn't the full (A x V). But the PSU still should be sufficient for the R9-FuryX with an OC.

Edit: I found it. This label states 35A and 35A rated for a max of 636W. That is good.
 
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