Anti Power surge problem

Deodedros · Jul 1, 2015

I built a pc a few weeks ago and up until now, i havnt had any problems. Every time I load a game the computer shuts down and Asus anti surge protector pops up saying that there is an unstable power supply unit.

Here are the specs:
Intel pentium G3258
Nvidia geforce gtx 750
Corsair cx430m
8 gb ram
1 tb HDD
Asus h97m plus

As of right now I turned off the protector in the bios and everything seems fine, but I Im not sure if I need a new psu or not

goku1234567890 · Jul 1, 2015

Okay I wouldn't recommend doing that. Turn on anti surge again and try connecting your system in some other room like basement of second floor. It could be the bad wiring in the socket.

ko888 · Jul 1, 2015

Power supply units with poor transient response will cause that problem because they are unable to handle a quick change in load causing one or more of the rails' voltage to go out of spec.

The Corsair CX Series group regulated models are notorious for poor transient response.

Deodedros · Jul 1, 2015

goku1234567890 :

Okay so I did just that and the same problem happened. Is it a possibility that i have too much Watts?

ko888 · Jul 1, 2015

Deodedros :

No such thing. The power supply unit only outputs as much power as the system needs.

Deodedros · Jul 1, 2015

ko888 :

Deodedros :

No such thing. The power supply unit only outputs as much power as the system needs.

Then is it just a faulty psu? should I just go and replace it?

ko888 · Jul 1, 2015

Deodedros :

It's not considered a fault.

It's a poorly designed PSU. This is what happens with cheap budget PSUs. Compromises are made to lower the cost.

Lower wattage (i.e. < 500W) PSUs also tend to have poorer transient response.

Deodedros · Jul 1, 2015

ko888 :

Then what do you recomend me do? Just buy a new one?

ko888 · Jul 1, 2015

Deodedros :

The only real solution is a higher quality PSU that doesn't have poor transient response. It also depends upon if you have access to better quality PSU models.

You can keep using that PSU with the ASUS Anti-Surge turned off in the BIOS. I will leave that up to you to decide whether or not you want to assume the risks of doing so.

Deodedros · Jul 1, 2015

ko888 :

Deodedros :

The only real solution is a higher quality PSU that doesn't have poor transient response. It also depends upon if you have access to better quality PSU models.

You can keep using that PSU with the ASUS Anti-Surge turned off in the BIOS. I will leave that up to you to decide whether or not you want to assume the risks of doing so.

What psus have good transient respones?

ko888 · Jul 1, 2015

Deodedros :

Unfortunately you have to rely on power supply reviews that test the transient response. Here are some examples:

Corsair CX600M fails on its +3.3V rail:
http://www.techpowerup.com/reviews/Corsair/CX600M/8.html

EVGA 500B Bronze (100-B1-0500-KR) fails on its +3.3V rail:
http://www.techpowerup.com/reviews/EVGA/500B/8.html

EVGA 600B Bronze (100-B1-0600-KR) passes:
http://www.techpowerup.com/reviews/EVGA/600B/8.html

Seasonic S12G 450W (SSR-450RT Active PFC F3) passes:
http://www.techpowerup.com/reviews/Seasonic/SSR-450RT/8.html

Deodedros · Jul 1, 2015

ko888 :

Deodedros :

Unfortunately you have to rely on power supply reviews that test the transient response. Here are some examples:

Corsair CX600M fails on its +3.3V rail:
http://www.techpowerup.com/reviews/Corsair/CX600M/8.html

EVGA 500B Bronze (100-B1-0500-KR) fails on its +3.3V rail:
http://www.techpowerup.com/reviews/EVGA/500B/8.html

EVGA 600B Bronze (100-B1-0600-KR) passes:
http://www.techpowerup.com/reviews/EVGA/600B/8.html

Seasonic S12G 450W (SSR-450RT Active PFC F3) passes:
http://www.techpowerup.com/reviews/Seasonic/SSR-450RT/8.html

Thanks for the forum, but the wattage amount is enough, correct?

ko888 · Jul 1, 2015

Deodedros :

System Power Supply Requirements for a single GeForce GTX 750
• NVIDIA specifies a minimum of a 300 Watt or greater system power supply. (Minimum system power requirement based on a PC configured with an Intel Core i7 3.2GHz 130 Watt TDP processor.)
• the system power supply must also have a maximum combined +12 Volt continuous current rating of 21 Amps or greater

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.

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