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Power supply question. . .uhm thing

Last response: in Systems
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July 30, 2012 1:40:49 AM

I'm a horrible newbie here, so please bear with me.
but uhm, I'm trying to build a computer on a super and I mean super strict budget.
(It will be a Pentium 4 or Celeron D build. . .hey don't laugh, it's more than enough for my tasks! I don't need an Sandy bridge. LOL)

Anyway, what would the Power supply recommendations well be for this system?
2gb (1gbx2 sticks) DDR400
Pentium 4 520 @2.8ghz with HT enabled
And a Geforce FX 5800

(Hey I've had no problems with the 5800 last I used it, neither with noise or performance last I used it! >.>)

Anyway, what amperage should I be looking for on the 12v rail?

Also note it will also be powering a 120gb 5400RPM Maxtor HDD, (IDE) a CDRW drive.
Two fans, and a Logisys 400ST LGA 775 cooler.

Hope I'm not a bother! O:
Also, if this is in the wrong forum/place I do apologies I'm a little slow. D;
a b B Homebuilt system
a c 286 ) Power supply
July 30, 2012 2:58:34 AM

You are going to use only about 200 W at peak load so something like the Corsair 430CX V2 would be plenty for your needs
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Right now after promo code and MIR it is $28.25 and it is a hell of a lot better than any other unit you will find at that price. Its got plenty of connectors for a small system like that, as for your other question, you would only need about 15 A of current available from the 12 V rail for that system.
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July 30, 2012 3:04:28 AM

hunter315 said:
You are going to use only about 200 W at peak load so something like the Corsair 430CX V2 would be plenty for your needs
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Right now after promo code and MIR it is $28.25 and it is a hell of a lot better than any other unit you will find at that price. Its got plenty of connectors for a small system like that, as for your other question, you would only need about 15 A of current available from the 12 V rail for that system.


Thank you very much kind person. :D 
It would seem someone was yanking my chain outside the net, as I was told I'd need a 800watt PSU just to power the Graphics card. :( 
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a b B Homebuilt system
a c 286 ) Power supply
July 30, 2012 2:35:39 PM

Nope, not a chance. The AGP slot doesn't provide much power for the card and it appears the FX 5800 only takes a single additional molex power connector, this really limits the power available to it. I cannot find TDP specs on an FX 5800 right now but based off the pictures I have seen of it like the ones below, it cannot have a power draw more than about 70 W with a heatsink like that, and likely considerable less, the 5900 Ultra had a power draw of only 60 W
http://techreport.com/articles.x/4966/2
http://www.xbitlabs.com/articles/graphics/display/ati-v...

P4s were fairly power hungry but only up to about 130 W, for the more power hungry ones, the rest of the system requires minimal power, you certainly don't need an 800 W unit.
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July 30, 2012 5:40:20 PM

Thank you, also I have the model with a heatsink similar to the black on on that 5900 but more or less smaller and "Louder".

My budget for my total system is 200$, and I haven't a monitor or keyboard/mouse so I'm trying to find the best PSU on a budget that isn't complete trash in order to fit the other parts I need into the budget. (Aka one that does the Job with quality, but isn't ZOMG $$$)

(If it says Logisys, Diablotek, Echostar, I am avoiding it like the plague. lol yeah I read around on them.)


PS: If you want to know how I'm on here, it's via a very VERY crappy Acer laptop that is Jelly of my eventual desktop on so many levels. lol
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August 17, 2012 4:56:37 AM

Best answer selected by crosei.
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