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HD3850 Power Setup Concern

Forum Graphic & Displays : Graphics Cards - HD3850 Power Setup Concern

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Jeff9   07-20-2008 at 03:52:41 PM

I'm looking into buying this card for my aging AGP system...
http://www.newegg.com/Product/Prod [...] 6814102730

...but I don't understand how to hook it up to my PSU/mobo. I have spare 4-pin connectors that would satisfy the layout from the pictures. Does that black connector labeled "power cable" NEED to be plugged into the motherboard or can I just use my spare 4 pin connectors? I don't have a place to plug the black connector into my motherboard, that's my only concern.

Jeff

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rolli59   07-20-2008 at 04:10:04 PM
- 0 +

It plugs into your spare molex connectors from your power supply with the two 4 pin connectors and the 8 pin connector into the card.
Make sure that your power supply is big enough to handle that card.

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rolli59   07-20-2008 at 04:12:48 PM
- 0 +

Sapphire recommends 450watt with 30amps on the +12 volt rail

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Jeff9   07-20-2008 at 04:27:33 PM
- 0 +

Mine is 400W- some reviews claimed that a 400W was sufficient, but I still might buy a 500W. How do I determine if a PSU has 30amps on the +12volt rail?

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rolli59   07-20-2008 at 04:48:18 PM
- 0 +

It should be on a sticker on the side of the PSU example below
http://www.newegg.com/Product/Show [...] wer+Supply

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