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PSU issue?

ADAMANTIUM1802
By ADAMANTIUM1802
in Power Supplies
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Okay, I have three 120mm fans, two are intake, one exhaust. I've recently just added 2 cold cathodes to my rig and I've noticed that when I switch them on, my exhaust fan slows down. It's not a problem, more of a concern. The only issue I can think of is that I'm overloading my PSU (which is a Corsair RM650), but I don't even have much in my rig at the minute. I have an SSD and HDD, an optical drive, CPU, wireless card, you know, the essentials. What's worrying me is that I don't even have a GPU yet. Is there something wrong with my PSU, or is there something else that I'm missing?

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Specs of cold cathode too please!

You should have 450+W of headroom based on your current setup.

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https://linustechtips.com/topic/291973-psu-issue/#findComment-3965725
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  • Author

Revoltec dual 12" CCFL 12v kit

- Two CCFL tube of 30cm length (6mm diameter)
- 1x Inverter
- 2x Tubes
- 12V DC Power via 4 pins Molex of your PSU

CCFL:
Length : 310mm
Diameter: 10mm
Current Consumption: 3 watts
Brightness : Over 20,000 ± 10% cd/m2
Lifetime : Over 15,000 hours

Inverter:
Input voltage : DC 12V (via 4pin molex connector)
Output current : 2 outputs of 5mA each

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https://linustechtips.com/topic/291973-psu-issue/#findComment-3965736
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Are you running the fans straight off the PSU? And is it just the exhaust fan that slows down?

 

From a load perspective, the cold cathodes should be negligible. If you happen to have the inverter for the cold cathode and the exhaust fan on the same molex chain from the PSU, there may some strange interactions there?  That's all I can think of given what you've shared.

 

Welcome to the forum by the way.

Titan: Intel Core i7-5820K | ASUS X99-A | Crucial Ballistix Sport 4x4GB DDR4-2400 | ASUS Strix GeForce GTX 970 | OCZ Arc 100 2x256GB in RAID 0 | Seagate Barracuda 2x2TB in RAID 1


EVGA SuperNOVA 750 G2 | Fractal Design Define R5 Titanium Window | Phanteks PH-TC14PE | ASUS BW-12B1ST

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depending on the PSU load the fan inside will ramp up or slow down

 

if you are gaming and you can hear the PSU fan running

 

that its ok

 

 

otherwise refund that PSU and get EVGA PSU

Budget? Uses? Currency? Location? Operating System? Peripherals? Monitor? Use PCPartPicker wherever possible. 

Quote whom you're replying to, and set option to follow your topics. Or Else we can't see your reply.

 

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