Is 650W enough for a gaming computer with a 970, 2 SSDs and 4 HDDs?

TheSaltyStew

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May 1, 2015
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I recently got two new 5400 RPM HDDs for videos for my computer so now I have a total of 4 HDDs, 2 7200 rpm and 2 5400 rpm HDDs, and 2 SSDs and it's also on for the most part throughout the day and also has a 970 in it, runs two monitors.

I have a Seasonic 660W already that I've had for about a year, but I do plan to buy some more drives in the future.

Is 660W enough for this current setup?
 

TheSaltyStew

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May 1, 2015
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Seasonic is life.

Just out of curiosity, if it wasn't fine what would happen? PSU turns off by itself or something?

I've never had more than one or two drives so I don't really know how much power they use. Most places say about 10-20 watts each but that didnt help much since I don't know exactly how much my system really uses by itself.

 
You realize SSDs are like 2W devices, right? :p Hard drives are also very small, usually max is about 10W, and it would be a very rare scenario where all your drives are under heavy load simultaneously. To get a good idea of the power consumption of other parts of the computer like drives and PCI wireless cards, motherboards, just take into account the fact the lack of heatsinks. Motherboards do have heatsinks, some don't on the VRMs, but the chipset usually has a heatsink but is not cooled by a dedicated fan, so you can infer that the power of a motherboard should be generally low, maybe 25W or with an overclocked CPU under load it could get higher indeed.

I like to refer to the GT 710 http://www.geforce.com/hardware/desktop-gpus/geforce-gt-710/specifications a 20W GPU. It does not need a fan but does have a heatsink, sort of like motherboards. That's pretty accurate to motherboard power, too, for a system under load, 20W.
 


Best case the PC just turns itself off.

Worst case is something gets fried.