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Windows 7: Choosing PSU

19 Feb 2010   #1
DevourDarkness

Windows 7 Ultimate 64-Bit
 
 
Choosing PSU

I'm building a new system and just need to know if this Corsair VX550W will be enough or if I should get this Thermaltake 600W Litepower

Components:
ThermalTake Soprano DX Midi-Tower Case - Aluminium Front Panel (VE7000BWS) | Techbuy Australia
Intel Core i7 860 Quad Core (2.80GHz - 3.46GHz Turbo) (BX80605I7860) | Techbuy Australia
Gigabyte GA-P55A-UD3P Motherboard | Techbuy Australia
Kingston 4GB (2 x 2GB) PC3-10600 1333MHz DDR3 RAM - CL9 (KVR1333D3N9K2/4G) | Techbuy Australia
Sapphire Radeon HD 5770 - 1GB DDR5, 128-bit, 2x DVI, HDMI, Display Port, Fan - PCI-Ex16 v2.1 (21163-00-41R) | Techbuy Australia

And also 2 Harddrives: 1 250GB and 1 1TB.

So any suggestions? Also, if you want you can give advice about the build its my first.

If your gonna suggest another PSU price range is below $116 (USD)

PS: I dont plan to overlock


My System SpecsSystem Spec
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19 Feb 2010   #2
Wishmaster

Windows 7 Home Premium 64bit
 
 

Corsair 650 would be my suggestion. All you need for that build and then some. Excellent PSUs
My System SpecsSystem Spec
19 Feb 2010   #3
pparks1

Windows 7 Ultimate x64
 
 

Go here for a nice power supply calculator
eXtreme Power Supply Calculator

I'd strongly recommend the Corsair HX series. I've got the 620 and it's a great power supply. And it's modular so you can keep your wiring super tidy
My System SpecsSystem Spec
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19 Feb 2010   #4
cloud8521

 

the 550 should be enough, but more power never hurts.
My System SpecsSystem Spec
19 Feb 2010   #5
DevourDarkness

Windows 7 Ultimate 64-Bit
 
 

A little over my price range but Ill think about it. Any other suggestions?
My System SpecsSystem Spec
19 Feb 2010   #6
madtownidiot

 

A good rule of thumb is to add at least 50% to the total peak power consumption of all your hardware. A power supply operating too close to it's maximum capacity can cause crashes and instability, and won't last as long.
My System SpecsSystem Spec
19 Feb 2010   #7
pparks1

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by cloud8521 View Post
the 550 should be enough, but more power never hurts.
It could hurt the pocketbook.

I've also seen situations where people just want more wattage and thus end up with more cheaply made power supplies to get a higher power output...rather than going with a smaller unit that is a far better unit.
My System SpecsSystem Spec
19 Feb 2010   #8
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

The only things that I can add to what has been said, is to get a modular power supply, and check how many +12v rails it has. Some PSs with more than 1 +12v rail splits power between them in an uneven manner, making it easier to overload the lower powered ones.

EDIT: Another thing that is good to have is sheeveed cables, which are easier to route and neater.
My System SpecsSystem Spec
19 Feb 2010   #9
valtonray

Windows 7 Ultimate Signature Edition
 
 

really your power supply isn't somewhere you want to cheap out on. go name brand and get enough extra headroom for a saftey net. you don't want to risk that thing blowing on you.
My System SpecsSystem Spec
19 Feb 2010   #10
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

Quote   Quote: Originally Posted by valtonray View Post
really your power supply isn't somewhere you want to cheap out on. go name brand and get enough extra headroom for a saftey net. you don't want to risk that thing blowing on you.
Overall, I agree with this, but name brand isn't always something to go by. I've had several Antec PSs, one of which fried a motherboard and video card, and at least at the time that I got them, they were considered very good, but The Cooler Master that I now have, which is not at the top of most lists, has held up steadily for 3 years now, without it burping, gasping or croaking. It wasn't particularly cheap, but not expensive either.
My System SpecsSystem Spec
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 Choosing PSU




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