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Multi rail psu

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  • Homebuilt
  • Power
  • Systems
Last response: in Systems
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July 28, 2010 12:40:33 AM

hello,
I am new to TH. i have a local made psu in my rig.i want to change to a iball 450 watt psu. but it contains 2 rail compared to single rail in my older psu. i am in dillema that it may not provide enough power to my MB+gra.card(ati 5670) because i donot need the extra rail.the one rail supplying power may not be enough.please advice...

More about : multi rail psu

a b B Homebuilt system
July 28, 2010 1:25:19 AM

What are your AMPS on your current 12V rail and the new PSU's 12V rail?

You shouldn't have an issue unless you are looking at real low AMPs on 12V rails. The 5670 isn't a power hungry card and will run easy on a decent 400W PSU. Do you have other options for a more different PSU (Corsair, Antec, SeaSonic, OCZ... etc.)
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a c 122 B Homebuilt system
July 28, 2010 6:26:00 PM

iball's are cheap PSU's that are only nominally a dual rail PSU.

A 5670 only needs about 5 amps, so your PSU should be OK.

More worrisome is the low quality of the PSU.
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