550 W PSU enough for Quad core ?

965 Views 12 Replies 10 Participants Last post by The Master Chief, Nov 26, 2009

Darkslayer7

Discussion Starter · Nov 25, 2009

I am about to buy a GIGABYTE MA-770 US3 rev2.0 motherboard , and an AMD Athlon II X4 620 .
I am asking that my 550 W psu will power those components .

My Pc : *Amd Athlon 64 X2 4200 @ 2.70 GHZ
*Biostar NF-560 A2g+ AM2+ ready
4x1 GB Transcend Revolution 800 Mhz gaming Ram
Powercolor Ati Radeon 4870 1GB Gddr5
550 W MS-Industries Power PSU (18A on 12 volt rail)

+3.3 V - 28 A
+5 V - 34 A
+12 V - 18 A
-12 V - 1 A
-5 V - 0.5 A
+5VSB - 2 A

It has 3x12V Rails with each 2 molex connectors ( 6 molex )
and one 6 pin pcie connector

I am on low budget , so a new PSU would kill me :/ !

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Acoma_Andy

· #2 · Nov 25, 2009

It will work, it won't draw much more power as your current setup. Never heard of that brand PSU though. It has 3 x 18A on the 12v?

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Daney

· #3 · Nov 25, 2009

As Andy said, it won't be a dramatic power usage difference. I think around 40W at most (probably a lot less).

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Conley

· #4 · Nov 25, 2009

Check out my rig.

In other words, yes, it should work. If your PSU has about 60A on all the 12V rails, you're in the green.

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/Fail

· #5 · Nov 25, 2009

^It's impossible to have 60a on the 12v rail of a 550w PSU.

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JarrettM

· #6 · Nov 25, 2009

A PSU is the most important part of a PC - if it's cheap and it fails, it could take out your whole system. That being said, you could get away with it for a little while, but once you have the extra money, definitely get a quality PSU.

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m|dg3t

· #7 · Nov 25, 2009

You're good to go mister.

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i_ame_killer_2

· #8 · Nov 25, 2009

Running my system @ 450w and everything is overclocked. If its a quality brand PSU then it will work just fine. Newer heard of your PSU tought.

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Conley

· #9 · Nov 25, 2009

Quote:

Originally Posted by /Fail

^It's impossible to have 60a on the 12v rail of a 550w PSU.

Obviously. I just didn't want to type out a paragraph explaining that W=V*A, etc. If it's RATED at 60A, he'll be good to go. There.

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sonicmat

· #10 · Nov 25, 2009

I'm not so sure guys. Why do the specs only mention 1 12v rail? It sounds to me asif he's got something confused.

I'm sure a psu with 3 x 18amp would have more than 1 pci e connector aswel.

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Acoma_Andy

· #11 · Nov 25, 2009

Quote:

Originally Posted by sonicmat

I'm not so sure guys. Why do the specs only mention 1 12v rail? It sounds to me asif he's got something confused.

I'm sure a psu with 3 x 18amp would have more than 1 pci e connector aswel.

It can have 1 PCI-e connector with those specs, if it's a cheap model. Which it probably is.

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Darkslayer7

Discussion Starter · #12 · Nov 26, 2009

Okay .
There are 3 X 12 V rails , and all of them having 18 A ( 3 X 2 molex ) .
+ 1 x 6 pin pciE ( which i use for my videocard ) + 2molex to 1 pciE 6 pin connector ( for my videocard )

I am not sure . This PSU was not cheap , but not expensive either .

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The Master Chief

· #13 · Nov 26, 2009

youll be fine

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