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1000 watts psu for 780 ti.

post #1 of 14
Thread Starter 
right now i have a
fx-8350
asus 990fx r 2.0
1 ssd
1 laptop hdd
3 hard drives
1.radeon hd 7970
4 x 4 gb ram 2140
corsair h100i
rheosmart 6 fan controller
4. 120 mm fans
1. 200 mm fan
corsair k70 keyboard
rat 7 mouse
all of this running on a 1000 watt power supply. here in a few weeks my gtx 780 ti will be coming and i need to know if my 1000 watt psu will be able to handle the gtx 780 ti.
game killer
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AMD fx-8350 asus sabertooth 990fx r2.0 sapphire tri x r9 290x sapphire tri x r9 290x 
RAMHard DriveHard DriveHard Drive
G-skill ripjaws z hitachi deskstar  hitachi 160 samsung 840 pro 128 
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WD 800  corsair h100i windows 8.1 pro Acer G215HVAbd 
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game killer
(18 items)
 
  
CPUMotherboardGraphicsGraphics
AMD fx-8350 asus sabertooth 990fx r2.0 sapphire tri x r9 290x sapphire tri x r9 290x 
RAMHard DriveHard DriveHard Drive
G-skill ripjaws z hitachi deskstar  hitachi 160 samsung 840 pro 128 
Hard DriveCoolingOSMonitor
WD 800  corsair h100i windows 8.1 pro Acer G215HVAbd 
MonitorKeyboardPowerCase
39' 120hz Corsair k70 cooler master silent pro M 1000w nzxt sorce 530 
MouseAudio
logitech g502 Astro A50 
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post #2 of 14
You'll be fine, in fact, 1000w is complete overkill for any 1 video card.
post #3 of 14
Yes it will even with the radeon
post #4 of 14
That PSU would be overkill even with 2 780 Tis in SLI. Is this a serious question? tongue.gif
post #5 of 14
A good 1000W PSU will probably be able to handle even two highly overclocked 780ti's, let alone one. These cards consume what? 250W tops under full load at stock settings. Overclock them and you reach 300-350W for each card. That's a maximum of 700W in SLI and 300W is more than enough for the rest of your system, unless you're running obscene clocks on your 8350. If your PSU isn't a really good one (Let's face it, no cheap 1000W PSU can match,say, a Seasonic), I'd give it some slack, but even if you decide to use 900W of it, it'll still be enough if you hold the overclocks.

Coming to think of it, a 1000W is more than enough even for 2 R9 290x's... thumb.gif
post #6 of 14
Yes as mentioned 1000watt is MORE than enough. I have seen someone on youtube purposely run theirs on a 450watt psu just to prove a point. Nvidia I think recommends 45amps and your psu delivers 80amps thumb.gif
2014 nerd box evo
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corsair f120ssd/seagate 1TB Asus cd/dvd burner Antec Kuhler 920 semi-custom loop (2 radiators) win7 professional 64bit 
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2014 nerd box evo
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post #7 of 14
Quote:
Originally Posted by 66racer View Post

Yes as mentioned 1000watt is MORE than enough. I have seen someone on youtube purposely run theirs on a 450watt psu just to prove a point. Nvidia I think recommends 45amps and your psu delivers 80amps thumb.gif

I think that was Linus, but I could be wrong.
post #8 of 14
Think it was oc3d....let me see....yup
2014 nerd box evo
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2014 nerd box evo
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corsair f120ssd/seagate 1TB Asus cd/dvd burner Antec Kuhler 920 semi-custom loop (2 radiators) win7 professional 64bit 
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post #9 of 14
Quote:
Originally Posted by 66racer View Post

Think it was oc3d....let me see....yup

Crap... You're a mod, delete the post quickly before I have to admit I was wrong! tongue.gif

Seriously though I was quite sure. Maybe Linus has done something similar and it got into my thick head for good. Maybe not...
post #10 of 14
Quote:
Originally Posted by tolis626 View Post

Crap... You're a mod, delete the post quickly before I have to admit I was wrong! tongue.gif

Seriously though I was quite sure. Maybe Linus has done something similar and it got into my thick head for good. Maybe not...

haha! Maybe linus did one as well thumb.gif

Good news is that the OP is good to go with his current PSU and hopefully others also see that 1000watts are not needed very often. For me though I like to have more than not enough, I tend to try different setups and sooner or later an SLI setup will make it back into my rig, when that happens I should be good to go.
2014 nerd box evo
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corsair f120ssd/seagate 1TB Asus cd/dvd burner Antec Kuhler 920 semi-custom loop (2 radiators) win7 professional 64bit 
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2014 nerd box evo
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Hard DriveOptical DriveCoolingOS
corsair f120ssd/seagate 1TB Asus cd/dvd burner Antec Kuhler 920 semi-custom loop (2 radiators) win7 professional 64bit 
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Gateway 23" 1920x1080 corsair ax850 Rosewill blackhawk w/hdd bay mod logitech mx518 
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