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Overclock.net - Overclocking.net > Components > Power Supplies | |
Is 750W enough?
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2 Weeks Ago
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#1 (permalink) | |||||||||||||
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4.0 GHz
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Is 750W enough?
Quick question.
I'm helping my friend build a computer today and I was wondering how much power I need for this Core i5 build. Components: CPU: Core i7 860 2.8 GHz (Stock) Motherboard: Gigabyte GA-P55M-UD4 RAM: 2 x 2 GB G. Skill Ripjaws Red Line(?) Case: CM Storm Scout (Stock Fans) HDD: 1 Western Digital Caviar Blue 640 GB Optical Drive: 1 Regular LG CD/DVD-RW Graphics Card: ATi Radeon HD 5770 (Sapphire 1 GB) From my guess, I should get around a 650W - 750W. That's what I think... But at the moment, I'm unsure and I'm going to go today to purchase the parts. I'll be going with a Corsair branded power supply. All help appreciated.
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2 Weeks Ago
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#2 (permalink) | ||||||||||||
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Overclocker
 
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750 watts will more than cover your build even overclocked with XFire
__________________
There was a young man of Leeds Who received a power bill that displeased... In a month, this fellow, Was indeed much more mellow, For he discovered SpeedStep® and was freed... __________________ AMD 720 BE @ 3.7Ghz  - http://valid.canardpc.com/show_oc.php?id=581016i7 920 DO @ 4.3Ghz - http://valid.canardpc.com/show_oc.php?id=760386
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2 Weeks Ago
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#3 (permalink) | |||||||||||||
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WaterCooler
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500hx would more than do. Any good quality 500w PSU will do. That GPU doesn't need much at all.
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2 Weeks Ago
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#4 (permalink) | ||||||||||||||
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4.0 GHz
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Yes, but from my knowlege that system will only use less than 400W of power. A good quality power supply with a Wattage of 550W+ will be good enough, I have a similar computer as you, in your post, but I have a 750W in there for future upgrades
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4.0GHz CPU-Z Validation Quote:
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2 Weeks Ago
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#5 (permalink) | |||||||||||||
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First Time Build
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750W should be more then enough for that build.
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2 Weeks Ago
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#6 (permalink) | |||||||||||||
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4.0 GHz
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Great, thanks for the help.
I'm going to think about a modular power supply. It'll just be easier for Cable management. I don't have a modular and I know how hard it is...
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2 Weeks Ago
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#7 (permalink) | |||||||||||||
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First Time Build
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Hahaha, yeah, I wish I had a modular PSU for my build too. *glares at tiny case*
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2 Weeks Ago
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#8 (permalink) | |||||||||||||
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WaterCooler
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The only reason to get more than a 500W PSU would be if he had crossfire in mind for the future.
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2 Weeks Ago
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#9 (permalink) | ||||||||||||||
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4.0 GHz
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The "problem" with a modular power supply is that if you plan on using CrossFireX/SLi, you'll most likely use up all the cables
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4.0GHz CPU-Z Validation Quote:
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2 Weeks Ago
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#10 (permalink) | |||||||||||||
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Overclocker
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Quote:
__________________
There was a young man of Leeds Who received a power bill that displeased... In a month, this fellow, Was indeed much more mellow, For he discovered SpeedStep® and was freed... __________________ AMD 720 BE @ 3.7Ghz - http://valid.canardpc.com/show_oc.php?id=581016i7 920 DO @ 4.3Ghz - http://valid.canardpc.com/show_oc.php?id=760386
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