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PSU Wattage question

post #1 of 6
Thread Starter 
On pcpartpicker it says the estimated usage on my build on it is about 360W. But on newegg, the system requirements for my HIS 7850 needs a minimum 500W PSU. The PSU I already have is a 450W, should I buy another with at least 500W or is the one I have okay?
Edited by ctrl - 12/11/12 at 10:00am
post #2 of 6
You're fine. Newegg is a)inflating needed wattage to see you more expensive components and/or b)taking into account crap power supplies that lie about their true capacity & making sure that doesn't screw you over.

Then again, you didn't mention what PSU you have, so maybe you got suckered by a piece of crap that can't deliver 450w.
    
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post #3 of 6
Depends on what your psu is but for the most part, it should be fine
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Big Black Box
(11 items)
 
Old Faithful
(12 items)
 
 
CPUMotherboardGraphicsRAM
Intel i7-4770K Asus Z87 PRO GTX 780 Ti G.SKILL Ripjaws X 16GB (2x8GB) 
Hard DriveHard DriveCoolingOS
Samsung 250GB EVO Seagate Barracuda 2TB H90 Windows 7 Ultimate 
PowerCaseAudio
Seasonic 660W Platinum Fractal Design R4 Asus Xonar DX 
CPUMotherboardGraphicsRAM
Intel i5-2500K @ 4.4 Ghz Gigabyte UD3P Z68XP EVGA GTX 670 Superclocked 16 GB Ripjaws X 
Hard DriveHard DriveCoolingOS
64 GB Samsung 830 SSD 500 GB Seagate Barracuda  H100 Windows 7 Ultimate 
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Corsair K90 Seasonic X 750W 500R Corsair M60 
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post #4 of 6
Thread Starter 
http://pcpartpicker.com/p/rguv

That's my setup. The PSU is an Antec 450W ATX12V!
post #5 of 6
The PSU is fine. Your RAM has spiky heatspreaders that will prevent a tower heatsink from being installed if you get one later though. And it's probably worth it to pay the extra $10 to get an fx-4300 instead of the previous-gen fx-4170.
    
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post #6 of 6
Thread Starter 
Oh I know, thanks though haha! Unfortunately I received the processor and a few other things as gifts so I had limited customization. But thanks for the input on the PSU, I was nervous I had to buy another one!
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