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P55 motherboard...help!!

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April 6, 2010 5:06:46 AM


Hi Guys,

So i'm building a new PC based on the Intel P55 chipset (i7 860). Now, i've spent the last 3 months trying to figure out which would be the best motherboard to go for.....narrowed it down to the ASUS P7P55D-E Pro...which is out of stock here....and not expected anytime soon. So, the options i'm left with......1. ) ASUS P7P55D Deluxe with ASUS U3S6 add-on card. 2. ) Gigabyte GA-P55 UD6 with GIGABYTE USB 3.0 Add-on card or 3. ) Gigabyte GA-P55A-UD6. Keeping in mind that i'm going to be using a single Saphire Radeon HD 5850 graphics card, which would be the best motherboard to opt for....without crippling the performance of the Graphics Card or USB 3.0, SATA 6?. If i'm not mistaken, the P55A-UD6 from Gigabyte causes a reduction to x8 when using usb 3.0 and sata 6 while the add on gigabyte is used in the x1 pci-e lane thus throttling speeds right? so, would the asus be the best option since it runs in a separate x4 lane and still enables you to run full x16 for the graphics card? or have i got it wrong? (also....the ASUS after sales service here is miles ahead of the Gigabyte). lastly, which would be better - G-Skill Ripjaws or Cosair Dominator's. (Gigabyte has refused to provide any guarantees that the Ripjaws woul work with their boards though, since it's not on their list). any help wuld be appreciated.

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a b V Motherboard
April 6, 2010 7:00:36 AM

^ Well for that price range, maybe the i7 930 with Gigabyte X58A-UD3R if available...It will offer full x16x16 bandwidth for SLI/ Crossfire and also has SATA 6GB/s and USB 3.0...
And as for RAM, just make sure you get memories that have an operating voltage not more than 1.65V...That is the main criteria for a RAM to work on X58/ P55 boards...
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April 6, 2010 7:10:45 AM

gkay09 said:
^ Well for that price range, maybe the i7 930 with Gigabyte X58A-UD3R if available...It will offer full x16x16 bandwidth for SLI/ Crossfire and also has SATA 6GB/s and USB 3.0...
And as for RAM, just make sure you get memories that have an operating voltage not more than 1.65V...That is the main criteria for a RAM to work on X58/ P55 boards...



thing is....i've already bought the i7 860 chip, so i'm stuck with it now. all that's left to complete my system is the mobo and ram
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a b V Motherboard
April 6, 2010 7:28:51 AM

^ Oh...
From where will you be buying the parts ? IMO the Deluxe and the UD6 are overpriced and better to just get the PRO or UD4P - without the USB3.0/ SATA 6GB/s and use add-in cards to get those...
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April 6, 2010 7:54:07 AM

so you think i should go with the GIGABYTE GA-P55-UD4P with Gigabyte USB 3.0 add-on card? and this won't affect my graphics card performing at x16 if i utilize the x1 pci-e slot for usb 3.0? what about the usb 3.0 speeds at x1 though? thanks for ut help btw
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a b V Motherboard
April 6, 2010 8:41:21 AM

^ Will you be using just 1 HD 5850 or will most probably be adding 1 more later on in Crossfire ?
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April 6, 2010 10:57:43 AM

just one. casual gaming only. prefer to do most of my gaming on the 360 / PS3. I would be using it more for HD vids.
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a b V Motherboard
April 6, 2010 11:04:37 AM

^ Well then you wont have to worry about those mobos at all...
You can instead get the P55A-UD3.
The problem with the SATA 6GB/s, USB3.0 and the graphic cards is when 2 cards (Crossfire) are populated and not 1...
I thought you were talking about crossfiring the HD 5850 later...
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April 6, 2010 12:02:01 PM

thanks! will check that out.
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April 16, 2010 2:37:44 AM

Best answer selected by sting_09.
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