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850w for 1080 SLI?

HungryHamster
By HungryHamster
in Power Supplies
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Posted

I have two 1080s in SLI and have no problems. Might not have room to heavily overclock but I'm not sure.

 

Edit: I have a 850w psu as well.

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Posted

You should be fine

CPU: AMD Ryzen 9 5950X PBO GPU: Asus Strix RTX 3090 OC Mobo: Gigabyte X570 Aorus Master RAM: 32GB G.Skill Trident Z RGB 3600Mhz CL17

CPU Cooler: Corsair H150i Capillex Storage: Samsung 980 Pro and 970 Evo 1TB Samsung 860 EVO 1TB Crucial MX300 525GB WD Black 2TB PSU: Corsair HX1000 Case: Corsair 500D SE RGB 6x LL120

 

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Posted
8 minutes ago, HungryHamster said:

Hey everyone,

 

I will be running 2 EVGA 1080 FTW gfx cards in SLI. Will a Corsair RM850i PSU be enough to power these? Any advice would be appreciated.

 

Thanks.

You can go all out OC on that setup no problem.

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Posted
5 hours ago, HungryHamster said:

Hey everyone,

 

I will be running 2 EVGA 1080 FTW gfx cards in SLI. Will a Corsair RM850i PSU be enough to power these? Any advice would be appreciated.

 

Thanks.

You're fine.

|PSU Tier List /80 Plus Efficiency| PSU stuff if you need it. 

My system: PCPartPicker || For Corsair support tag @Corsair Josephor @Corsair Nick || My 5MT Legacy GT Wagon ||

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I'd go 1000 or more. I would never run that close to max myself. Using a 1000 now for my setup. Leaves room for degradation and efficiency. 

Main RIg Corsair Air 540, I7 9900k, ASUS ROG Maximus XI Hero, G.Skill Ripjaws 3600 32GB, 3090FE, EVGA 1000G5, Acer Nitro XZ3 2560 x 1440@240hz 

 

Spare RIg Lian Li O11 AIR MINI, I7 4790K, Asus Maximus VI Extreme, G.Skill Ares 2400 32Gb, EVGA 1080ti, 1080sc 1070sc & 1060 SSC, EVGA 850GA, Acer KG251Q 1920x1080@240hz

 

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Posted

A 850W power supply should be more than enough for SLI 1080s... I had a HX750i with 2x980(altho I didn't overlock) and didn't had any troubles with it and the power consuptions of both cards are similar. In fact, a single 1080 runs smooth on a good 550W power supply, adding another 1080 won't consume 300W more, or even close.

 

Meh, for 20 or 30 bucks more just go for a 1000W power supply and you'll be fine for certain.

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