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Overclock.net - Overclocking.net > Components > Power Supplies | |
Corsair TX750W PSU
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2 Weeks Ago
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#1 (permalink) | |||||||||||
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New to Overclock.net
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Corsair TX750W PSU
For my upgrade, I'm building a system that will consist of TWO WD caviar black 500GB in RAID1 7200rpm, TWO GTX 285's in SLI OCED, Core i5 OCed to ~4GHz, Asus P7P55D EVO motherboard, 2x2GB G.Skill Ripjaws 1600mhz CL7, standard 22x optical, and an Antec Twelve Hundred Case. The case will have EIGHT fans.
__________________Is my Corsair TX750W PSU enough to power this system? At the worst case scenario I've researched that the GTX 285's will take up 250W each and the CPU will use ~250-300W. That alone will be 800W plus the case and other accessories it will be around 850W MAX. So in theory my PSU can't power my rig, but I've come to ask you, can it?
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2 Weeks Ago
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#2 (permalink) | ||||||||||||
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Case Modder
 
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The CPU take up 250-300W???? An i5??? I doubt you could make that thing pull 200W under full load OCed to the nines...
You are fine with that PSU. No worries.
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FOLDINFISH - a rocketfish WC mod...  OCN Water Cooling Club 780i q6600 tx650 and more for sale When all men think alike, nobody thinks very much. -Walter Lippman
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2 Weeks Ago
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#3 (permalink) | |||||||||||||
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New to Overclock.net
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Just curious, why are you getting 2 GTX285's in SLI and an i5 motherboard, won't the 8x PCIe lanes bottleneck your cards?
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2 Weeks Ago
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#4 (permalink) | |||||||||||||
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nVidia Enthusiast
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You'll be okay with it, even with that i5 OC'ed.
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إذا كنت ترغب في السلام ، والاستعداد للحرب ΜΟΛΩΝ ΛΑΒΕ
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2 Weeks Ago
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#5 (permalink) | ||||||||||||
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New to Overclock.net
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Quote:
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2 Weeks Ago
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#6 (permalink) | ||||||||||||||
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4.0 GHz
 
Join Date: Dec 2008
Location: Ghettoshiels in Scotland
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You'd be hard pushed getting that rig to pull 550W.
You're more than fine.
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Quote:
The more you love music, the more music you love. ~aaronman Wattage = Amperage * Voltage
Amperage = Wattage/Voltage Voltage = Wattage/Amperage
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2 Weeks Ago
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#7 (permalink) | |||||||||||
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New to Overclock.net
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are you sure? even with all the other components? can you tell me how much watts they use?
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2 Weeks Ago
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#8 (permalink) | ||||||||||||||
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4.0 GHz
Join Date: Dec 2008
Location: Ghettoshiels in Scotland
Posts: 4,926
Rep: 688
Unique Rep: 495
Trader Rating: 11
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Yeah, I'm sure.
Your CPU around 180W when overclocked, depening on voltage. Each GTX 285 around 180W, probably less in SLI since they won't both be used 100% Fans, HDDs, mobo, etc., maybe pushing 50W. You're maybe getting close to about 600W, but your PSU is good for 740W, so you're fine. Power supply calculators over-estimate things. These are rough estimates, but will be fairly close to the actual figure.
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Quote:
The more you love music, the more music you love. ~aaronman Wattage = Amperage * Voltage
Amperage = Wattage/Voltage Voltage = Wattage/Amperage
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2 Weeks Ago
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#9 (permalink) | ||||||||||||||
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New to Overclock.net
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Quote:
 And here is a PSU calculator that tells you the approximate required power supply based on your parts. http://extreme.outervision.com/psucalculatorlite.jsp
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2 Weeks Ago
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#10 (permalink) | |||||||||||
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New to Overclock.net
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i dont trust psu calcs. theyre not accurate.
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