Is my power supply enough for this build?

Chugalug_ · Feb 24, 2016

Title says it all, wondering if my EVGA Supernova 850w G2 is enough to power this monster of a power drainer

Graphics card consumes around 400w by itself, not to mention the fact i'm going to OC it a little.
CPU will be OC'd to 4.6ghz @ 1.32v.
Do I need to upgrade PSU, and if so how much? Because atm with overclocks, i'll be pushing it with power.
*UPDATE*
After reading up on power efficiency and all that jazz, i'm going for a 1000w PSU, and was looking at the EVGA Supernova 1000w G2. What are your thoughts and are there better, more efficient options?

CPU: i5 6600k 3.5GHz LGA 1151 Processor $358 @CPL Online

CPU Cooler: NZXT Kraken X61 280mm Liquid CPU Cooler $195 @ CPL Online

Motherboard: GA Z170MX-Gaming 5

RAM: G.Skill Ripjaws V Series 16GB (2 x 8GB) DDR4-3000Mhz Memory $175 @ CPL Online

SSD: Samsung 850 EVO-Series 250GB 2.5" Solid State Drive $119 @ Centre Com

HDD: Western Digital BLACK SERIES 1TB 3.5" 7200RPM Internal Hard Drive $104 @ Centre Com

GPU: Gigabyte GeForce GTX 980 Ti Gaming Xtreme Edition 6GB $1099.50 @ Centre Com
(Price will drop heavily when Pascal is released)
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Gingerbread · Feb 24, 2016

High quality PSU, it can handle even two of those GPUs. No need to upgrade to anything else. Hell if you are not going to overclock, you can even downgrade it to a 650W G2.

Chugalug_ · Feb 24, 2016

Gingerbread :

As mentioned above, I am purchasing a Gigabyte Xtreme Gaming 980 ti, and it draws 400w by itself alone.

Archaic59 · Feb 24, 2016

Gigabyte recommends 600 watt power supply for that card-

http://www.gigabyte.com/products/product-page.aspx?pid=5710#kf

Any of these will work. With the 850 watts you could SLI two of those cards-

http://pcpartpicker.com/parts/compare/evga-power-supply-220g20650y1,evga-power-supply-220g20750xr,evga-power-supply-220g20850xr/

Archaic59 · Feb 24, 2016

Chugalug_ :

Archaic59 :

Keep in mind that I will be overclocking my GPU and CPU, as well as running with a total of 6 fans and a Kraken x61 water cooler. Considering the card by itself takes 400w, I don't feel comfortable with the close to max output of the 850 G2.
Also a SINGLE one of these cards runs at 400w. An 850w PSU wouldn't be able to handle two of these with a CPU.
What would you suggest in terms of 1000w PSUs?

Same thing. EVGA G2 series. P2 series if you can afford Platinum rating.

Titanforall · Feb 24, 2016

Chugalug_ :

Overclocking increases the power intake of CPU and GPU even a small increase in clocks will increase power intake by 20%.But when you are overclocking your monster rig then you have to get more than 800W PSU so that you would have no worries regarding PSU failure.More PSU wattage will give you even more room for higher OCing and its better that you should buy this
http://www.amazon.com/EVGA-SuperNOVA-PLATINUM-Crossfire-220-P2-1200-X1/dp/B00KYK1CKI
This can easily handle even a SLI 980ti

Chugalug_ · Feb 24, 2016

Just a message to all; I understand that at stock settings this would only draw around 800w, but considering the fact that i'm going to put power limit at 130 or even potentially higher if I decide to flash my bios, I'm not confident in the abilities of the 850, sorry for not specifying this in the original post.

Chugalug_ · Feb 24, 2016

Titanforall :

Thanks for the suggestion, but afraid for me that's a bit of a push price wise. I live in AUS, and most tech stuff is pretty pricy ;D
Looking for something cheaper than 300 dollars AUD that is around the 1000w or higher mark.
At the moment, I have my eyes on the 1000w version of the same gold rated EVGA line, mainly because I want the software to be able to keep my rig's power draw in check, any other alternatives?
Thanks!

Archaic59 · Feb 24, 2016

The total system power draw under load is 400 watts, not just the card. I think this is where you are going off track.

http://www.kitguru.net/components/graphic-cards/zardon/gigabyte-gtx980ti-xtreme-gaming-windforce-review/20/

Chugalug_ · Feb 24, 2016

Archaic59 :

Oh, that's actually 100% the issue here.....
Jesus I feel stupid now, xD
Scratch what I just said, thanks for the help!
Just calculated it based on the reference card in the graph. Thanks!

Titanforall · Feb 24, 2016

Chugalug_ :

Titanforall :

Thanks for the suggestion, but afraid for me that's a bit of a push price wise. I live in AUS, and most tech stuff is pretty pricy ;D
Looking for something cheaper than 300 dollars AUD that is around the 1000w or higher mark.
At the moment, I have my eyes on the 1000w version of the same gold rated EVGA line, mainly because I want the software to be able to keep my rig's power draw in check, any other alternatives?
Thanks!

EVGA PSU are of best quality if your budget is not enough then you can go for EVGA 1000W 80 GOLD its also a powerful psu no problem .I was just saying for 1200w because you shouldnt always be worried about power during your gaming exprerience.However you can pretty much overclock with 1000w psu.

Archaic59 · Feb 24, 2016

It's a 250 watt card. As I said, 650 watts for single card is plenty including overclocking. 850 for a pair. Anyone recommending more is simply wrong. The card you are getting already has a mean overclock so you are not going to get much more from it. You'll just end up creating a bunch of heat waste for little gain by OC'ing it further. You don't need a 1200 watt PSU. That's just ridiculous.

Chugalug_ · Feb 24, 2016

Archaic59 :

Actually the card is 320w if we subtract the reference card from the power consumption graph in the Kitguru review, so do you think that the 1000w PSU is worth the extra 40 bucks for futureproofing? Or no?

Archaic59 · Feb 24, 2016

Chugalug_ :

Sure. For $40 bucks more it's not a big deal. You won't even have to think about the PSU with that 1KW in there.

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Is my power supply enough for this build?

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