[SOLVED] Does this PSU have PFC? Will PFC affect my power bill?
- Thread starter s355
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Solution
Nigel Spike
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- Jan 9, 2016
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In your link voltage is stated to be 45 Volts. So no voltage switch should be needed. I would not trust the item in your link.
The voltage selector switch was abandoned more than a decade ago at most manufacturers, and is banned from selling in many countries.
The voltage selector switch was abandoned more than a decade ago at most manufacturers, and is banned from selling in many countries.
digitalgriffin
Splendid
- Jan 29, 2008
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As others have stated, it's a garbage PSU. If you run low power demand and don't care about power quality, lifetime, and run cheap components like Atom/Pentium silver, knock yourself out.
- Mar 16, 2013
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Well, if you use a power supply like this, there's a good chance your PC will be using zero watts very shortly. Which I guess can be looked at as a deal in a certain light.
- Mar 16, 2013
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0 watts, as in breaking completely.
And in breaking itself, it may well kill other parts.
- Jan 1, 2018
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Lack of a voltage switch doesn't always mean a PSU has APFC or any form of PFC at all. If a power supply has a fixed input voltage, say a 230v only PSU, it will not have a voltage switch regardless of the presence of PFC. I cannot find information to see the input voltage range of the PSU, or information on whether it has PFC.
Regardless, PFC does not effect your power bill in 99% of cases as consumers are billed real power. It does cause increased stress on power grid etc, but this doesn't really effect your power bill.
What does effect your power bill is efficiency. It does not have any 80+ certification and I doubt it is very efficient, which WILL have an effect on your power bill. A lack of 80+ COULD be a result of no active PFC; Active PFC is required to pass 80+ Certification. However, a lack of 80+ could be a result of many other things, so that does not immediately mean this PSU lacks active PFC.
Also as said above, a PSU of unknown quality and unknown brand without any information is a very bad idea. It could fail and kill parts of your computer.
Novice here, but I believe the information presented above is correct.
Regardless, PFC does not effect your power bill in 99% of cases as consumers are billed real power. It does cause increased stress on power grid etc, but this doesn't really effect your power bill.
What does effect your power bill is efficiency. It does not have any 80+ certification and I doubt it is very efficient, which WILL have an effect on your power bill. A lack of 80+ COULD be a result of no active PFC; Active PFC is required to pass 80+ Certification. However, a lack of 80+ could be a result of many other things, so that does not immediately mean this PSU lacks active PFC.
Also as said above, a PSU of unknown quality and unknown brand without any information is a very bad idea. It could fail and kill parts of your computer.
Novice here, but I believe the information presented above is correct.
- Jan 1, 2018
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There are 2 versions of the EVGA N1 400w, one made by HEC and one made by another OEM I cannot remember. The HEC model has a voltage switch at the rear and the other model does not have a voltage switch.
NEITHER have active PFC.
The latter version of the EVGA N1 400w manages full range input and no voltage switch by having voltage detection circuitry and a relay which essentially flips the voltage selector automatically. However, it does NOT have active power factor correction.
Last edited:
- Jan 1, 2018
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Honestly, you should be more concerned about the quality of the PSU than PFC. A good PSU will have APFC anyhow.
Get a quality unit from a name brand
Get a quality unit from a name brand
- Mar 16, 2013
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- Mar 16, 2013
- 178,577
- 21,426
- 184,590
- Jan 1, 2018
- 18,592
- 3,987
- 81,540
Power switch has nothing to do with the quality of the PSU. However, generally higher end PSUs will have a power switch.
However voltage switches are different. Basically any PSU worth your time should have active PFC, and no voltage switch.
However voltage switches are different. Basically any PSU worth your time should have active PFC, and no voltage switch.
jonnyguru
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Where are we going with this? What's the end game? Are you just trying to buy the cheapest PSU that wont set your house on fire? I think clarifying that is a good starting point.
jonnyguru
Splendid
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If you're going to start at the bottom and work your way up, we're going to be here all week.
What are you powering and what is your budget? Based on the Amazon link, I take it you're in the U.S.?
John Chesterfield
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- Mar 22, 2015
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You'll only get garbage for that price and not many here are likely to recommend anything for "$50 max".
- Jan 1, 2018
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$50? easy.
https://www.amazon.com/EVGA-Supernova-Modular-Warranty-220-GT-0650-Y1/dp/B088SSX883
Active PFC, 80+ gold, and many times better than the cheapest non house fire inducing psu.
https://www.amazon.com/EVGA-Supernova-Modular-Warranty-220-GT-0650-Y1/dp/B088SSX883
Active PFC, 80+ gold, and many times better than the cheapest non house fire inducing psu.
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