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Dual gpu problem

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September 20, 2012 12:21:50 PM

Hello,

I want to build a gaming PC I have selected the following components :

Monitor:Benq GL2250HM

Cabinet:Cooler Master Elite 430/NZXT LEXA S

PSU: Seasonic S12II 520 Watts

CPU:AMD Phenom II X4 970 Black edition

Motherboard:Asus M5A88-M ?

RAM:G.Skill RipjawsX DDR3 4 GB x2

Harddrive:Seagate Barracuda 1 TB

GPU:HIS AMD/ATI Radeon HD 6870 IceQ

But i have a problem the mother board i have selected does not have dual PCIe slots and the ones that have dual slots (i.e atleast x8 mode)
cost almost double the price of the motherboard.So should i go for dual GPUs ?
I am aware for dual GPUs i will require PSU with higher wattage.
Also please feel free to suggest any change for other components mentioned above.

More about : dual gpu problem

a c 82 V Motherboard
September 20, 2012 1:18:29 PM

Thats because you are looking at Micro-ATX motherboards. Its a lot harder to implement higher bandwidths into that smaller space, and the boards that do can demand a premium. Also there isnt much competition for high end boards in that form factor, so what enthusiast boards there are go up in value.

Go into the full ATX size, your case will support it just fine.
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September 21, 2012 6:03:54 AM

manofchalk said:
Thats because you are looking at Micro-ATX motherboards. Its a lot harder to implement higher bandwidths into that smaller space, and the boards that do can demand a premium. Also there isnt much competition for high end boards in that form factor, so what enthusiast boards there are go up in value.

Go into the full ATX size, your case will support it just fine.


Thanks manofchalk .How is ASUS M4A79XTD EVO ,its a bit old i suppose does not have USB 3.0 and 6Gb/s support for HDD will it do ? Sorry I did not mention before but i would also like to over clock in future.Also is the rest of configuration ok ?
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a c 82 V Motherboard
September 21, 2012 6:46:05 AM

Yep, it will do. Though I would advise getting a modern chipset board, that way you have an easy upgrade path to Bulldozer or Piledriver CPU's later.

The rest of the build looks fine for a light/med gaming rig.
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September 22, 2012 4:56:25 AM

manofchalk said:
Yep, it will do. Though I would advise getting a modern chipset board, that way you have an easy upgrade path to Bulldozer or Piledriver CPU's later.

The rest of the build looks fine for a light/med gaming rig.


Could you please recommend a few motherboards so that i clearly know what to look for ?
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Best solution

a c 82 V Motherboard
September 22, 2012 9:10:37 AM

Ok, you are looking for an ATX size, AMD motherboard that supports the AM3+ socket. The more modern chipsets (The 900 series) are what you want to get.
Also be aware that the 970 chipset doesn't support integrated graphics, but most AMD CPU's don't have integrated anyway so its kind of a null point.

Other than those basics, you should be looking at SLI/Crossfire support in terms of number of 16x or 8x PCI-e slots, and the number of SATA (preferably 6GB/s) ports. That is about as far as you can get based on a spec sheet alone, beyond that you need to start reading reviews.

Boards that look good on paper (And around the $100 mark) to me are these.

AsRock 990FX Extreme3 AM3+. $120
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Gigabyte GA-970A-D3 AM3+. $80 ($10 rebate)
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

ASRock 970 EXTREME4 AM3+. $100
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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October 14, 2012 1:41:59 PM

manofchalk said:
Ok, you are looking for an ATX size, AMD motherboard that supports the AM3+ socket. The more modern chipsets (The 900 series) are what you want to get.
Also be aware that the 970 chipset doesn't support integrated graphics, but most AMD CPU's don't have integrated anyway so its kind of a null point.

Other than those basics, you should be looking at SLI/Crossfire support in terms of number of 16x or 8x PCI-e slots, and the number of SATA (preferably 6GB/s) ports. That is about as far as you can get based on a spec sheet alone, beyond that you need to start reading reviews.

Boards that look good on paper (And around the $100 mark) to me are these.

AsRock 990FX Extreme3 AM3+. $120
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Gigabyte GA-970A-D3 AM3+. $80 ($10 rebate)
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

ASRock 970 EXTREME4 AM3+. $100
http://www.newegg.com/Product/Product.aspx?Item=N82E168...



Thanks manofchalk,

I think i will go with ASRock 970 Extreme 4,
hope the X8 slot wont seriously affect the crossfire configuration.
And i am considering to change my cabinet to NZXT LEXA S as it has better cooling with 3 more fans and fan controller .
Should i update my PSU to 850 watts or 1000 watts (for crossfire) ?
Also is my choice of GPU (HIS AMD/ATI Radeon HD 6870 IceQ ) right or should i consider something in ATI HD 7xxx series ?
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October 24, 2012 11:22:43 AM

Best answer selected by velosity.
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