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Please Recommend Power Supply

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April 26, 2006 1:38:02 PM

I need help determining a power supply for the new computer I am going to build. Here are the specs:

4x1GB OCZ Ram
2x 150GB Western Digital 10,000RPM Raptor
1x Powercolor 1900XT Video Card
1x Powercolor 1900 Crossfire Edition Video Card
1x 19in Samsung Monitor
1x Asus XPRESS3200 mobo (its like A8R32-MVP)
1x AMD X2 4400+
1x Creative Sound-Blaster X-Fi Xtrememusic 7.1

and a few other accessories like an aftermarket cpu cooler, a joystick, some headphones, a dvd burner, and of course a case.

Thanks. The 1900XT says that for crossfire, it recommends a 550 watt power supply. I am usually weary with going with the minimum requirements, I like to be better safe than sorry. So could someone please recommend a good, powerful, but not cheap, power supply for me? Thanks

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a b ) Power supply
April 26, 2006 2:12:29 PM

Quote:
I need help determining a power supply for the new computer I am going to build. Here are the specs:

1x Powercolor 1900XT Video Card
1x Powercolor 1900 Crossfire Edition Video Card



Just for clarification are you running 2 Radeon X1900XT, or 1 Radeon X1900XT and 1 X1900? I don't know much about Crossfire, but I figure Crossfire will only work if the two cards are the same.

If you are running 2 X1900XT then yes you need a beefy PSU. A single X1900XT uses around 120w of power at 100% load. Technically speaking 2 of them would draw 240w of power at 100% load, but I'm guess less since you will not be getting a 100% increase in performance.

You are using an Athlon X2 4400+ which is good since that draws some where in between 65w (3800+) and 96w (4800+) much less than a dual core P4.

I would recommend the Seasonic S12 500 since you have an Athlon X2. If you had a P4 I would recommend the Seasonic S12 600.

I recommend you do a Google search for hardware reviews of those PSUs so that you know what you are buying.
April 26, 2006 4:00:32 PM

FSP FX600-GLN less than $150 shipped, and plenty of power - the quad rail setup is nice for SLI, dedicated 15A for mobo, each gpu and all other connections.
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April 26, 2006 4:25:29 PM

Quote:
FSP FX600-GLN less than $150 shipped, and plenty of power - the quad rail setup is nice for SLI, dedicated 15A for mobo, each gpu and all other connections.


The man has a point. I use that exact PSU and its a jewel. 4 independent 12v rails to power all your sh!t, whisper quiet, solid build, loomed wires. To top it all off the FSP Grp Epsilon series passed THG's Stress Test awhile back. There is also a 700w version if your scared 600w won't be enough. I use the 600w version and check out my sig to see what it powers.
April 26, 2006 4:40:20 PM

Minimum of 550 watts, but pushing it to 600w or beyond wouldn't hurt. Buy something expensive to go with all that power. Maybe a PC Power and Cooling or Seasonic, both of which are top-notch.
April 27, 2006 1:11:44 AM

Quote:
I need help determining a power supply for the new computer I am going to build. Here are the specs:

1x Powercolor 1900XT Video Card
1x Powercolor 1900 Crossfire Edition Video Card



Just for clarification are you running 2 Radeon X1900XT, or 1 Radeon X1900XT and 1 X1900? I don't know much about Crossfire, but I figure Crossfire will only work if the two cards are the same.

If you are running 2 X1900XT then yes you need a beefy PSU. A single X1900XT uses around 120w of power at 100% load. Technically speaking 2 of them would draw 240w of power at 100% load, but I'm guess less since you will not be getting a 100% increase in performance.

You are using an Athlon X2 4400+ which is good since that draws some where in between 65w (3800+) and 96w (4800+) much less than a dual core P4.

I would recommend the Seasonic S12 500 since you have an Athlon X2. If you had a P4 I would recommend the Seasonic S12 600.

I recommend you do a Google search for hardware reviews of those PSUs so that you know what you are buying.

Wrong, for ATI's Crossfire setup, you need one original card, and one master card (aka Crossfire card). It is not like nVidia's SLI where you have two of the exact same cards and you use a bridge connector. Its different. Also, it recommends 550 watt for Crossfire so the 500 watt won't do it. Thanks anway.
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