What wattage should my PSU be?

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E2RDN

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Oct 18, 2014
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I have been having trouble with my rig switching off on its own randomly, thought it was the RAM so replaced and set everything to default, it was fine for 3 days and same thing happening again,
I currently have a 1000W PSU

My RIG consists of the following
4 x Intel 730 480GB SSD in RAID0

1 Toshiba 3 TB HDD
1.5TB WD HDD GREEN

i75930K Intel Core CPU
Asus Rampage V Extreme X99 Motherboard

4 times 4GB Corsair Dominator Platinum DDR4 RAM

2x EVGA GTX 980ti Hydrocopper Graphics card in SLI 1450MHZ overclock

1 XSPC Dual bay water reservoir/pump combo

1 EK Water Blocks reservoir/pump combo

1 PCIe Soundcard

1PCIe USB 3.0 Hub

1 x ASUS ROG FRONT PANEL

3 UV LED

USB Extender,

Corsair LINK mini controller,

8 120 Fans for GPU RAD’s

4 140mm Fans for cpu Rads

5 case fans all PWM Corsair

What should my PSU Wattage be?
 
Solution
Darkbreeze
980 TI SLI only requires a good 850w unit. That V series Cooler master is suposed to be an excellent unit, so unless something is wrong with it, it should be more than capable of supporting those cards and the rest of your system. I've never much been a fan of their power supplies though.

I'd take a look at the HWinfo sensor readings for the 3, 5 and 12v rails while under a high load and post screenshots here.

Might also be related to intermittent pump or fan failure. If the RPM signal from the CPU_FAN header doesn't report anything, the system will shut off or not start, unless the bios is set to ignore the signal, which is a bad idea for anything other than short term testing to see if that is the problem.
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E2RDN

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Oct 18, 2014
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Hi it's coolermaster v1000
 
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Darkbreeze

Darkbreeze

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Jun 24, 2014
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980 TI SLI only requires a good 850w unit. That V series Cooler master is suposed to be an excellent unit, so unless something is wrong with it, it should be more than capable of supporting those cards and the rest of your system. I've never much been a fan of their power supplies though.

I'd take a look at the HWinfo sensor readings for the 3, 5 and 12v rails while under a high load and post screenshots here.

Might also be related to intermittent pump or fan failure. If the RPM signal from the CPU_FAN header doesn't report anything, the system will shut off or not start, unless the bios is set to ignore the signal, which is a bad idea for anything other than short term testing to see if that is the problem.
 
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Solution
E

E2RDN

Reputable
Oct 18, 2014
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4,510


Thanks I will try that, if the system stays on long enough! I just hope it's not the motherboard as that'll be so much hassle to replace!
How would I set the bios to ignore the signal for the Fans?
Thanks again for the advice
 
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E

E2RDN

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Oct 18, 2014
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So I went ahead and tried the take a screenshot under load and it just kept shutting down, so I went ahead and changed my PSU to the 1600W EVGA SUPERNOVA 1600 G2, took everything out and put it back in again and touch wood it seems to be running smoothly now, ran all the 3D mark tests, intel XTU stress tests and 0 system shutdowns so far and overclocking much better now, hoping it lasts and it was just the PSU...

 
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Darkbreeze

Darkbreeze

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Jun 24, 2014
80,408
7,630
176,790
Just bad luck, or it was an old enough unit that it had seen better days I guess. Unfortunately, I've never had any success using ANY Cooler Master power supply units, so I guess it's really not that surprising to me. Just glad you got it sorted out and all is working well now.
 
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