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R9 295x2 on a 650W?

Flaver
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Evening guys! i got myself a sweet deal on a r9 295x2 on a hardware store which were dying out, my question is, can i actually run this on my Corsair 650W?

 

-Rest of my rig is in the attached DXdiag file

-On top of that i have 3 Fans including my H80 Waterpump

 

-Thanks beforehand! :)

DxDiag.txt

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Posted

no way.

 

 

http://www.anandtech.com/show/7930/the-amd-radeon-r9-295x2-review/17

 

 

 

 

850w minimum

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just that i have a freind in the UK thats running a R9 295x2 on a 650W, not sure of the brand tho :P

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Nope.

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yup, it does pull 500 alone, i just no know how much power the rest of my system needs, thats why im here valdyrgramr :D

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Posted

12XMGIWtrHBl5e.gif

 

If you want to have your PSU run at a reasonable load, you should get a 1000 watt. 750 watt would technically work, but make sure you have over 50 amps on the 12 volt rail. It would also be running close to half capacity most of the time, and up to borderline maximum during stress.

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12XMGIWtrHBl5e.gif

 

If you want to have your PSU run at a reasonable load, you should get a 1000 watt. 750 watt would technically work, but make sure you have over 50 amps on the 12 volt rail. It would also be running close to half capacity most of the time, and up to borderline maximum during stress. 

mine has amps? :D

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yeah, it should be on the PSU sticker:

 

500x1000px-LL-1d7c9378_Capture11111.PNG

12 volts times 50 amps = 600 watts available on the 12 volt rail. Amps is just watts divided by voltage.

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yeah, it should be on the PSU sticker:

 

500x1000px-LL-1d7c9378_Capture11111.PNG

12 volts times 50 amps = 600 watts available on the 12 volt rail. Amps is just watts divided by voltage.

 

I goofed, ment to say mine had 52 amps :D

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Evening guys! i got myself a sweet deal on a r9 295x2 on a hardware store which were dying out, my question is, can i actually run this on my Corsair 650W?

 

-Rest of my rig is in the attached DXdiag file

-On top of that i have 3 Fans including my H80 Waterpump

 

-Thanks beforehand! :)

 

Technically you can, but not recommended to do so because it put the PSU on constant max load when gaming.

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Posted

In theory it will work on a 750w but just barely

Thats that. If you need to get in touch chances are you can find someone that knows me that can get in touch.

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http://www.anandtech.com/show/7930/the-amd-radeon-r9-295x2-review/5

-What about this? his rig in general is WAY more power hungry than mine, only used 680 under load for hours of gaming?

Check Tomshardware article on powering 2x R9-295x2 using 1000 watts PSU.

I trust Tom's number when it come to measuring power consumption.

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Check Tomshardware article on powering 2x R9-295x2 using 1000 watts PSU.

I trust Tom's number when it come to measuring power consumption.

you got a link mate? :D

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  • 2 months later...
Posted

I'm running a XFX 295X2 on a Corsair TX750 with no issues. Game on it for hours at a time.

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750W minimum, 850W recommended

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Posted

wrong

 

the correct spec required is

 

2x separate 28amp 8pin connectors.

be it single or multi-rail PSU

 

due to most PSU manufacturers still following the outdated "max 20 amps" standard, that was removed in march 2007. Many PSUs actually CANNOT power the 295x2. Because whilst they technically can, their 8pin PCIe connectors are limited to 20 amps.

 

meaning the moment you fire up the 295x2, it will trigger the OCP and the PSU will shut off

 

 

EDIT;

 

let me reiterate that as a 295x2 owner myself.

YOU MUST HAVE TWO SEPARATE 28amp CONNECTIONS.

 

Current setup

Images of setup: http://linustechtips.com/main/topic/183-show-off-your-setup/?p=5872590

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Posted

 

wrong

 

the correct spec required is

 

2x separate 28amp 8pin connectors.

be it single or multi-rail PSU

 

due to most PSU manufacturers still following the outdated "max 20 amps" standard, that was removed in march 2007. Many PSUs actually CANNOT power the 295x2. Because whilst they technically can, their 8pin PCIe connectors are limited to 20 amps.

 

meaning the moment you fire up the 295x2, it will trigger the OCP and the PSU will shut off

 

 

EDIT;

 

let me reiterate that as a 295x2 owner myself.

YOU MUST HAVE TWO SEPARATE 28amp CONNECTIONS.

 

 

what do you mean wrong. I recommend an 850w so he can run it at all. 650W is not enough to run it. 750W is barely enough.

Location: Kaunas, Lithuania, Europe, Earth, Solar System, Local Interstellar Cloud, Local Bubble, Gould Belt, Orion Arm, Milky Way, Milky Way subgroup, Local Group, Virgo Supercluster, Laniakea, Pisces–Cetus Supercluster Complex, Observable universe, Universe.

Spoiler

12700, B660M Mortar DDR4, 32GB 3200C16 Viper Steel, 2TB SN570, EVGA Supernova G6 850W, be quiet! 500FX, EVGA 3070Ti FTW3 Ultra.

 

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what do you mean wrong. I recommend an 850w so he can run it at all. 650W is not enough to run it. 750W is barely enough.

and not just any 850w will do it either.

 

it is litterally a "PSU by PSU" case.

 

you NEED the check if the PSU even can supply 28amps from two separate 8pins... if it cannot, doesnt matter if its a 1600w PSU... if it cannot, it will either shut down due to over current protection. or it will catch fire from the excessive power draw.

Current setup

Images of setup: http://linustechtips.com/main/topic/183-show-off-your-setup/?p=5872590

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stop spreading lies

anandtech reports total system wattage pulled from wall

 

it can run on a 500W unit if it's a good quality unit

http://www.tomshardware.com/reviews/graphics-card-power-supply-balance,3979-5.html

 

but yeah but pls not on that corsair... if you do make sure to use a separate cables for each 8 pin and reset your cpu overclock to stock

CPU: Intel i7 5820K @ 4.20 GHz | Motherboard: MSI X99S SLI PLUS | RAM: Corsair LPX 16GB DDR4 @ 2666MHz | GPU: Sapphire R9 Fury (x2 CrossFire)
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stop spreading lies

anandtech reports total system wattage pulled from wall

 

it can run on a 500W unit if it's a good quality unit

http://www.tomshardware.com/reviews/graphics-card-power-supply-balance,3979-5.html

 

but yeah but pls not on that corsair... if you do make sure to use a separate cables for each 8 pin and reset your cpu overclock to stock

Yes, on low load stock clock cpu... And stock gpu. Also like Prysin said you need two 8 pins that can deliver 28 amps. 2x28 is already 700w.

Location: Kaunas, Lithuania, Europe, Earth, Solar System, Local Interstellar Cloud, Local Bubble, Gould Belt, Orion Arm, Milky Way, Milky Way subgroup, Local Group, Virgo Supercluster, Laniakea, Pisces–Cetus Supercluster Complex, Observable universe, Universe.

Spoiler

12700, B660M Mortar DDR4, 32GB 3200C16 Viper Steel, 2TB SN570, EVGA Supernova G6 850W, be quiet! 500FX, EVGA 3070Ti FTW3 Ultra.

 

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