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Crossfire Primary Card Selection?

DeadKerbal
By DeadKerbal
in Graphics Cards
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Hello All,

 

Recently upgraded to 2x R9 290x running in Crossfire on a Asus Z97-A motherboard.  Both cards sit close to each other in the suggested PCie 3.0 slots.   Since the lower card partially blocks the air intake of the upper card, this one runs significantly hotter than the lower one.  It would make sense to make the lower card the primary card to do the bulk of the work and hopefully reduce the heat problem.  I am unsure if this can be specified, and if it is property of the GPU's or the motherboard.

 

Any advice would be greatly appreciated.

 

Andy.

 

 

 

i5-4690k @3.5GHz 16Gb DDR3  

2X Sapphire R9 290x 

ASUS Z97-A  Windows 10 Home 64-bit

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your primary card will be the one where your main display is connected

CPU: Intel i7 5820K @ 4.20 GHz | Motherboard: MSI X99S SLI PLUS | RAM: Corsair LPX 16GB DDR4 @ 2666MHz | GPU: Sapphire R9 Fury (x2 CrossFire)
Storage: Samsung 950Pro 512GB // OCZ Vector150 240GB // Seagate 1TB | PSU: Seasonic 1050 Snow Silent | Case: NZXT H440 | Cooling: Nepton 240M
FireStrike // Extreme // Ultra // 8K // 16K

 

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