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Old 10-18-2008, 12:18 PM   #1 (permalink)
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Default Power supply help for new graphics card

Newegg.com - HIS Hightech H385F512ANP Radeon HD 3850 512MB 256-bit GDDR3 AGP 4X/8X HDCP Ready Video Card - Desktop Graphics / Video Cards

I want to get this, but I'm not sure if my power supply will cut it.

My system is mildly loaded, on a 350 Watt power supply, 12 volts to 21 A.

Also, what sort of pin will I need? I only have http://lib.store.yahoo.net/lib/amama...4P-4P2-Y13.jpg in it, at least from what I can see.

Will my power supply run this card?
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Old 10-18-2008, 12:37 PM   #2 (permalink)
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Default Re: Power supply help for new graphics card

Those 3850 cards require a 8 pin power connector from your power supply. So you would need a power supply that has a 6+2Pin PCI-E connector.

Newegg.com - CORSAIR CMPSU-550VX 550W ATX12V V2.2 SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Power Supply - Power Supplies
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Old 10-18-2008, 12:38 PM   #3 (permalink)
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Default Re: Power supply help for new graphics card

That supply is expensive.. Can you find a cheaper one?

Newegg.com - XCLIO STABLEPOWER 500W 500W ATX SLI Ready Active PFC Power Supply - Power Supplies

This has a 6+2, will it do the job for my card?
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Old 10-18-2008, 01:05 PM   #4 (permalink)
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Default Re: Power supply help for new graphics card

Well I believe the recommended power for a 3850 is 450 Watt with 30 amps on 12V rail.

I can only think of this for a cheaper solution, you could get this:
Newegg.com - Antec earthwatts EA500 500W ATX12V v2.0 SLI Certified CrossFire Ready 80 PLUS Certified Active PFC Power Supply - Power Supplies

Then you would need a 6 pin to 6+2 cable:
Newegg.com - Athena Power 6" PCIE 6 pin "Y" Split to Two PCIE 2.0 8(6+2) pin Cable Model CABLE-YPCIE628 - Cables

Edit: Sorry I didn't see that you posted the XCLIO Stablepower
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Old 10-18-2008, 01:07 PM   #5 (permalink)
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Default Re: Power supply help for new graphics card

Uh, 30 amps? The suggestion for yours says 17A at 12V.

http://c1.neweggimages.com/NeweggIma...371-007-04.jpg

Will the one I posted ( Newegg.com - XCLIO STABLEPOWER 500W 500W ATX SLI Ready Active PFC Power Supply - Power Supplies ) work for it?
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Old 10-18-2008, 01:08 PM   #6 (permalink)
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Default Re: Power supply help for new graphics card

Actually there are two 12V rails, so its 34 amps total which would be enough. That XCLIO would work too, because that has a combined of 36 amps. But it doesn't have a 6+2 PCI-E pin, so you would still need that adapter I posted.
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Old 10-18-2008, 01:10 PM   #7 (permalink)
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Default Re: Power supply help for new graphics card

Quote:
Originally Posted by gt7sanremo View Post
Actually there are two 12V rails, so its 34 amps total which would be enough.
So, would the one I suggested ( Newegg.com - XCLIO STABLEPOWER 500W 500W ATX SLI Ready Active PFC Power Supply - Power Supplies ) suffice?

I'd like to avoid having to waste time/money on buying adapters, but I will if it comes down to it.
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Old 10-18-2008, 01:17 PM   #8 (permalink)
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Default Re: Power supply help for new graphics card

.. I'm an idiot.. Yeah, thanks. 2 x 6 =/= 6 x 2.
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Old 10-18-2008, 01:19 PM   #9 (permalink)
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Default Re: Power supply help for new graphics card

No it does not have a 8 pin connector.

1 x 6+2Pin = one 8 pin connector
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Old 10-18-2008, 01:26 PM   #10 (permalink)
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Default Re: Power supply help for new graphics card

Quote:
Originally Posted by gt7sanremo View Post
No it does not have a 8 pin connector.

1 x 6+2Pin = one 8 pin connector
I realize, don't rub it in.
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