Need help picking a PSU.

[Talwen]

Hello all,

I'm in the process of replacing my PSU and was just wondering if this would be a good choice.

http://www.newegg.com/Product/Product.aspx?Item=N82E16817153113

or maybe this one:

http://www.newegg.com/Product/Product.aspx?Item=N82E16817371016

My specs are:

CPU: DualCore Intel Pentium D 820, 2800 MHz (14 x 200)
MOBO: Dell DXP051
Video Card: NVIDIA GeForce 8800gt (512MB)
RAM: 3gb DDR2 SDRAM
Disk Drive: SAMSUNG HD160JJ/P

Thanks all for any help you can give me, I don't have a lot of experience with hardware and just wanted a few opinions before spending money.

Tal

 

[Dangman]

Neither. Go with this significantly better quality PSU:
$45 - Antec NEO ECO 400C 400W PSU

 

[Talwen]

Why only 400 watts?

Forgive my ignorance, like i said i don't know alot about hardware, but i was told i need at least 500W.

Thx

 

[Tsumi]

If you're using a PSU calculator to estimate usage, then they overestimate by at least 50 watts.

That Pentium D will probably use at most 100 watts. The graphics card, 100 watts. Everything else, 50 watts. Theoretically, you would be fine with a 300 watt power supply, but there are hardly any good quality ones in the 300 watt range. 400 is where most start at.

 

[Dangman]

Why only 400 watts?

Forgive my ignorance, like i said i don't know alot about hardware, but i was told i need at least 500W.

Thx

Because that's all you need. You don't need a 500W PSU for that setup. You'll be fine with a 400W.

 

[Talwen]

Ok thanks for the advice guys, gonna go with the 45$ Antec.