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Old 04-09-05, 09:58 PM   #1
radialheadfx
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Default PS for 2x6800 Ultras in SLI

I have begun the building process with a few items left to pick up this weekend. I will likely pick up a PS with SLI cords already, but what about the mobo? It has a 12v HDD and 12v FDD hook up above the first PCI slot. Do I still need to plug these in, if Im using the SLI power leads to the cards? And my previous AMD 64 mobo had a 20 pin power connector with a four pin next to it. This new LanParty UT nf4 SLI mobo has a 24 pin connector and a four pin connector next to it. Are SLI mobo requiring 24 pin connections now?
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Old 04-09-05, 10:13 PM   #2
aZn_plyR
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Default Re: PS for 2x6800 Ultras in SLI

well IDK, but just a heads up, dont pick up the antec neopower 480 for ur SLI ultra's..it wont handle it
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Old 04-09-05, 11:01 PM   #3
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Default Re: PS for 2x6800 Ultras in SLI

PC Power and Cooling make a 510W PSU that nVIDIA endorses for an Ultra SLI setup.
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Old 04-09-05, 11:03 PM   #4
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Default Re: PS for 2x6800 Ultras in SLI

Yes, most new motherboards will be using the 24-pin connector as does SLi.

Most of the good psu's are featuring 24-pin connectors and also including a 20-pin adapter which has worked OK for me. I would avoid going the other way (20-pin to 24-pin adapter) as this does not work very well in providing sufficient regulated power for some systems which use power from the extra four pins.
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Old 04-09-05, 11:34 PM   #5
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Default Re: PS for 2x6800 Ultras in SLI

The OCZ PowerStream 520W (or better) has all what you need for SLI system.
it has the 20-pin mobo connector + a 4-pin extension .. you just hook up the extension with the 20-pin one & bam ! you have an 24-pin connector for your SLI mobo.
theres an Enermax 600W PSU too i think which is designed specificly for SLI.
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Old 04-10-05, 05:29 PM   #6
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Default Re: PS for 2x6800 Ultras in SLI

RGR, guys. Thanks! I got a 520 watt with a 24 pin connector, no attachments. Sligthly harder to find over the 20 pin connector. Should I still connect the 4-pin cable into the mobo, If Im using the 24 connector already? And do I still need to connect the FDD and HDD above my PCI Express slot on the mobo, or is that for cards that dont have a direct power supply already plugged in?
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Old 04-10-05, 07:54 PM   #7
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Default Re: PS for 2x6800 Ultras in SLI

Not sure .. i plugged them both anyways .. just to make sure everything runs stable.
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