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Need Power Supply Input[New PC Build]

Last response: in Components
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November 13, 2013 12:06:03 PM

Hey guys I'm new to the forums. I wanted to add a second 770GTX to my current system listed below. Will my power supply be able to handle it?


OPERATING SYSTEM:Windows 7 Professional
MOTHERBOARD: MSI Z87-GD65
CPU:Intel Core i7-4770K CPU @ 3.50GHz
VIDEO CARD: NVIDIA GeForce GTX 770 2GB 256-bit GDDR5
RAM: Ballistix Tactical LP 16GB DDR3-1600
HARD DRIVE: 1TB WD
POWER SUPPLY: Corsair TX850 V2 850W ATX12V
Corsair H60 Liquid CPU Cooler


a b ) Power supply
November 13, 2013 12:29:04 PM

Yes, your PSU will run SLI just fine.
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a b ) Power supply
a b U Graphics card
a b à CPUs
November 13, 2013 12:32:50 PM

Yeah you should have no issues really. Overclocking CPUs gets you into unpredictable territory when it comes to power usage but you should have plenty of headroom to avoid running into problems.
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November 13, 2013 12:40:15 PM

Rammy said:
Yeah you should have no issues really. Overclocking CPUs gets you into unpredictable territory when it comes to power usage but you should have plenty of headroom to avoid running into problems.
Alright, Thanks for the quick reply! As far as Overclocking goes I'm not sure if I'm going too. My machine runs flawless at default settings.

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a b ) Power supply
November 13, 2013 12:48:16 PM

Creeve said:
Rammy said:
Yeah you should have no issues really. Overclocking CPUs gets you into unpredictable territory when it comes to power usage but you should have plenty of headroom to avoid running into problems.
Alright, Thanks for the quick reply! As far as Overclocking goes I'm not sure if I'm going too. My machine runs flawless at default settings.




Wise man! Sometimes tinkering can ruin a good setup.

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a b ) Power supply
a b U Graphics card
a b à CPUs
November 13, 2013 12:51:01 PM

Creeve said:
Alright, Thanks for the quick reply! As far as Overclocking goes I'm not sure if I'm going too. My machine runs flawless at default settings.


Its the variable that can complicate things really. CPU is rated at 84W but once you start to fiddle with it it'll shoot above 100W pretty easily but you'd be unlikely to go above 150W with an Intel CPU. Regardless, 850W is plenty to play with.
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November 13, 2013 12:53:40 PM

EonW said:
Creeve said:
Rammy said:
Yeah you should have no issues really. Overclocking CPUs gets you into unpredictable territory when it comes to power usage but you should have plenty of headroom to avoid running into problems.
Alright, Thanks for the quick reply! As far as Overclocking goes I'm not sure if I'm going too. My machine runs flawless at default settings.

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Wise man! Sometimes tinkering can ruin a good setup.


I'll reply back to this thread once I get the 2nd card Installed, and benchmarked. Thank you guys for the Input!
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November 13, 2013 1:00:54 PM

From what I've learned in my research is that one of these video cards draw out about 230 Watts. If that's correct two cards would be 460 Watts plus whatever else I need to power the rest of the system CPU,HD,ETC.
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