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Power consumption of 2 GTX 1080's in SLI

Hey Forum,

Does anyone know how much power two GTX 1080's use while gaming in SLI? I presently have a 650W power supply and my second 1080 is on its way. Do we think that will suffice? I think it will work but just on the edge and definitely not "Efficient" but if it work it works...

 

Thanks

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Corsair 400C- Intel i7 6700- Gigabyte Gaming 6- GTX 1080 Founders Ed. - Intel 530 120GB + 2xWD 1TB + Adata 610 256GB- 16GB 2400MHz G.Skill- Evga G2 650 PSU- Corsair H110- ASUS PB278Q- Dell u2412m- Logitech G710+ - Logitech g700 - Sennheiser PC350 SE/598se


Is it just me or is Grammar slowly becoming extinct on LTT? 

 

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1 minute ago, Imabigmac said:

Hey Forum,

Does anyone know how much power two GTX 1080's use while gaming in SLI? I presently have a 650W power supply and my second 1080 is on its way. Do we think that will suffice? I think it will work but just on the edge and definitely not "Efficient" but if it work it works...

 

Thanks

650W is enough for two in SLI provided you don't overclock. However, if it were my system I'd use a 750W PSU.

|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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It uses 376W for a 1080SLI so a 650W PSU would be fine

Main Rig

CPU: Intel Xeon E3-1231 V3 (4.2Ghz) | RAM: TeamDark DDR3 16GB 1600Mhz | GPU: XFX RX480 8GB OC (1337Mhz) | PSU: CoolerMaster CM Storm 600W | MOBO: MSI Z97 GAMING 3 | CASE: Phanteks P400s TG Black/White | STORAGE: 128GB Samsung SSD + 2x2TB Samsung 7200RPM HDD | SCREEN: LG 25UM58-P 25" IPS 21:9 Ultrawide 2560x1080p + 2 x Dell 16:10 Non-IPS 1440x900p | AUDIO: Logitech G430 + Shure SM58 + Focusrite Solo | Keyboard: CoolerMaster MK750 | Mouse: G.Skill MX750 |

 

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CPU: Intel Core i7 7500U 3.5Ghz | RAM: 8GB DDR4 | GPU: Radeon R7 M445 4GB | SCREEN: 1920x1080 15.6" Non-IPS

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3 minutes ago, Imabigmac said:

Hey Forum,

Does anyone know how much power two GTX 1080's use while gaming in SLI? I presently have a 650W power supply and my second 1080 is on its way. Do we think that will suffice? I think it will work but just on the edge and definitely not "Efficient" but if it work it works...

 

Thanks

360W stock

400-420W OC (depends on silicon)

 

As long as you don't have a CPU that takes much power (OC 6700K are fine, OC X99 or FX-8350 are not), you're fine on 650W to even OC the cards.

We have a NEW and GLORIOUSER-ER-ER PSU Tier List Now. (dammit @LukeSavenije stop coming up with new ones)

You can check out the old one that gave joy to so many across the land here

 

Computer having a hard time powering on? Troubleshoot it with this guide. (Currently looking for suggestions to update it into the context of <current year> and make it its own thread)

Computer Specs:

Spoiler

Mathresolvermajig: Intel Xeon E3 1240 (Sandy Bridge i7 equivalent)

Chillinmachine: Noctua NH-C14S
Framepainting-inator: EVGA GTX 1080 Ti SC2 Hybrid

Attachcorethingy: Gigabyte H61M-S2V-B3

Infoholdstick: Corsair 2x4GB DDR3 1333

Computerarmor: Silverstone RL06 "Lookalike"

Rememberdoogle: 1TB HDD + 120GB TR150 + 240 SSD Plus + 1TB MX500

AdditionalPylons: Phanteks AMP! 550W (based on Seasonic GX-550)

Letterpad: Rosewill Apollo 9100 (Cherry MX Red)

Buttonrodent: Razer Viper Mini + Huion H430P drawing Tablet

Auralnterface: Sennheiser HD 6xx

Liquidrectangles: LG 27UK850-W 4K HDR

 

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4 minutes ago, STRMfrmXMN said:

650W is enough for two in SLI provided you don't overclock. However, if it were my system I'd use a 750W PSU.

 

1 minute ago, Energycore said:

360W stock

400-420W OC (depends on silicon)

 

As long as you don't have a CPU that takes much power (OC 6700K are fine, OC X99 or FX-8350 are not), you're fine on 650W to even OC the cards.

 Yeah, no overclocking, on top of the founders ed clock. And a 6700 non K. 

Thanks.

Spoiler

Corsair 400C- Intel i7 6700- Gigabyte Gaming 6- GTX 1080 Founders Ed. - Intel 530 120GB + 2xWD 1TB + Adata 610 256GB- 16GB 2400MHz G.Skill- Evga G2 650 PSU- Corsair H110- ASUS PB278Q- Dell u2412m- Logitech G710+ - Logitech g700 - Sennheiser PC350 SE/598se


Is it just me or is Grammar slowly becoming extinct on LTT? 

 

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2 minutes ago, Imabigmac said:

 

 Yeah, no overclocking, on top of the founders ed clock. And a 6700 non K. 

Thanks.

What model PSU though?

We have a NEW and GLORIOUSER-ER-ER PSU Tier List Now. (dammit @LukeSavenije stop coming up with new ones)

You can check out the old one that gave joy to so many across the land here

 

Computer having a hard time powering on? Troubleshoot it with this guide. (Currently looking for suggestions to update it into the context of <current year> and make it its own thread)

Computer Specs:

Spoiler

Mathresolvermajig: Intel Xeon E3 1240 (Sandy Bridge i7 equivalent)

Chillinmachine: Noctua NH-C14S
Framepainting-inator: EVGA GTX 1080 Ti SC2 Hybrid

Attachcorethingy: Gigabyte H61M-S2V-B3

Infoholdstick: Corsair 2x4GB DDR3 1333

Computerarmor: Silverstone RL06 "Lookalike"

Rememberdoogle: 1TB HDD + 120GB TR150 + 240 SSD Plus + 1TB MX500

AdditionalPylons: Phanteks AMP! 550W (based on Seasonic GX-550)

Letterpad: Rosewill Apollo 9100 (Cherry MX Red)

Buttonrodent: Razer Viper Mini + Huion H430P drawing Tablet

Auralnterface: Sennheiser HD 6xx

Liquidrectangles: LG 27UK850-W 4K HDR

 

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1 minute ago, TrigrH said:

g2 and you should be fine with a 650w

Oh OP is fiiiiine.

 

Not that I think they're attractive or anything.

We have a NEW and GLORIOUSER-ER-ER PSU Tier List Now. (dammit @LukeSavenije stop coming up with new ones)

You can check out the old one that gave joy to so many across the land here

 

Computer having a hard time powering on? Troubleshoot it with this guide. (Currently looking for suggestions to update it into the context of <current year> and make it its own thread)

Computer Specs:

Spoiler

Mathresolvermajig: Intel Xeon E3 1240 (Sandy Bridge i7 equivalent)

Chillinmachine: Noctua NH-C14S
Framepainting-inator: EVGA GTX 1080 Ti SC2 Hybrid

Attachcorethingy: Gigabyte H61M-S2V-B3

Infoholdstick: Corsair 2x4GB DDR3 1333

Computerarmor: Silverstone RL06 "Lookalike"

Rememberdoogle: 1TB HDD + 120GB TR150 + 240 SSD Plus + 1TB MX500

AdditionalPylons: Phanteks AMP! 550W (based on Seasonic GX-550)

Letterpad: Rosewill Apollo 9100 (Cherry MX Red)

Buttonrodent: Razer Viper Mini + Huion H430P drawing Tablet

Auralnterface: Sennheiser HD 6xx

Liquidrectangles: LG 27UK850-W 4K HDR

 

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