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The right PSU choice for an old rig

Forum CPU & Components : Power Supplies, PC Cases & Case Mods - The right PSU choice for an old rig

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aintd5   03-04-2009 at 11:10:50 AM

Hey guys, I have had a recent PSU and mobo failures on my old A64 rig. I'm replacing the parts now and was wondering if what PSU I should go for this system:

- Athlon 64 x2 4800 (2.4GHz)
- Asrock 939N68PV-GLAN motherboard (this is the only socket 939 mobo I'm able to find for my location)
- Corasair 2x1024 DDR550 3-3-3-8 RAM
- 3 x WD SATA Hard Drives
- A DVD-ROM
- nVidia GeForce 768MB 8800GTX (my main worry)

So, I was wondering, can I have a PSU which has three 12V rails, 20A each, or should I get a single 12V rail at 60A. The first one would be an Antec TruePower Trio 650W (and it's also more affordable) and the latter would be a Corsair TX 750W.

There are a couple of more brands available at the place where I am going to order, like CoolerMaster, Xilence and Seasonic, but the former two apparently are not so great, and the latter is a bit too expensive, and an overkill.

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gkay09   03-04-2009 at 12:29:49 PM
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Well I think u don have to get so high wattage PSU... Go wit the corsair CX400 it can easily handle ur config...This PSU has 30A on a single rail, which is enuf to handle a single 8800GTX... else if u feel it mite be less on wattage (but sure it willl be enuf), u can go wit at the max corsair 550...tat will be more than enuf even if u change ur cpu, mobo...

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ainarssems   03-04-2009 at 01:27:20 PM
- 0 +

+1 for corsair 550

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aintd5   03-04-2009 at 07:59:38 PM
- 0 +

Thank you guys! I ordered the Corsair 550 just in case, there was no big difference in price. Hope this will be enough to patch up my poor rig. :)

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