how much wattage recommended for gtx 980

InsanelyEpic · Oct 15, 2014

will a corsair CSM650 power supply be enough to get maximum performance with this build?

core i5 4690k
geforce gtx 980 4gb
16gb corsair vengeance @ 2133mhz
atata 256gb ssd + 2tb 7200rpm hdd
msi guard pro atx motherboard
cooler master hyper 212 evo cpu cooler
corsair CSM650 power supply

Zerk2012 · Oct 15, 2014

The TDP on the 980 is only 170 Watts overclocking that could go up but that PC will use about 360 Watts during a full system stress test so yes 650 is fine.

ko888 · Oct 15, 2014

If you run CUDA applications then the power consumption of the NVIDIA Reference Design GeForce GTX 980 graphics card itself jumps to 280 Watts.

When gaming it only reaches 185 Watts.

http://www.tomshardware.com/reviews/nvidia-geforce-gtx-980-970-maxwell,3941-13.html

Zerk2012 · Oct 15, 2014

The reference card is 177 Watts during that but even though this is really for gaming even at 280 watts the 650 Watt power supply is still fine.

Dark Lord of Tech · Oct 15, 2014

The CSM650 is more than enough power to run a GTX 980.

A GeForce GTX 980 needs 30 amps on the 12v + rail and a 500 watt power supply.

The amount of PCIE connections needed depends on the card.

Zerk2012 · Oct 15, 2014

I'm not sure how you get 30 amps for just the card? That would be 360 Watts.
http://www.anandtech.com/show/8526/nvidia-geforce-gtx-980-review/21

ko888 · Oct 15, 2014

A +12V current capacity of 30 Amps is for a PC configured with an Intel Core i7 3.2GHz 130W TDP processor with a single Reference Design GeForce GTX 980 card.

InsanelyEpic · Oct 16, 2014

i also hope to overclock the processor to about 4.2ghz, and i've lowered the wattage to a 600w corsair power supply just to save a bit of money. i assume that will still be enough based on all of your guy's responses, and is there a big difference in terms of efficiency between a 80+ gold and a 80+ bronze?

ko888 · Oct 16, 2014

InsanelyEpic :

Your CPU overclock should consume around 25 Watts more than when using stock clock speed.

80 PLUS GOLD is supposed to be 5% more efficient than 80 PLUS BRONZE.

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