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3 Way Crossfire Help

post #1 of 2
Thread Starter 
I have a Gigabyte Sniper 3 and an IB 3770K. I want to do a 3 way crossfire with 7970’s
The slots are as follows:
Pcie_X16_1
Pcie_X8_1
Pcie_X16_2
Pcie_X8_2
If only X16 slots are used both run at X16 if an x8 is used the corresponding X16 becomes an X8 as they share bandwidth.
In theory if I use the fist 3 slots I will get X8/X8/X16 - will this cause micro stutter?
The other option slots 2 to 4 I will get X8/X8/X8 – will this be a better option?
Will be water cooling so a move after installation is not really an option. Any advice?
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The box
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post #2 of 2
As far as I know microstutter occurs mainly on crossfire rigs... not crossfireX.

Meaning if you go beyond three cards it's resolved.

A lot of people also resolved microstutter through making profiles on RadeonPro and making flip queue on 0.
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Hydra
(13 items)
 
Hydra 2
(23 items)
 
 
CPUMotherboardGraphicsRAM
Intel i7 3930k @4.4ghz@1.44v Asrock X79 Fataility Champion 3xInno3d GTX 780 with Full Nickel EK Waterblocks Gskill RipjawsX 4x4GB@2400mhz 11-11-11-31 
Hard DriveCoolingMonitorKeyboard
2xSamsung 830 256gb Custom H2O - 3x XSPC RX360 with EK Blocks Surround Gaming 3x1440@96hz (X-Star) Cooler Master Trigger Red Caps 
PowerCaseMouseAudio
Seasonic 1250 watt Danger Den Double Wide 21 Roccat Kone+ Creative ZX (Incoming) 
Audio
Roccat Kave 5.1 Headphones 
CPUMotherboardGraphicsGraphics
4930k Asus Extreme Black Edition Sapphire R9 290x Sapphire R9 290x 
GraphicsGraphicsRAMHard Drive
Sapphire R9 290x Sapphire R9 290x Gskil TridentX 2400mhz Samsung 830 256GB 
Hard DriveCoolingCoolingCooling
Samsung 840 500GB EK Supramacy 4x EK Blocks 6x EK XTX480 
CoolingOSMonitorMonitor
EK XT360 Windows 8.1 BenQ 3201 32in 4k IPS Qnix 32in 1440 MVA 
MonitorKeyboardPowerCase
Qnix 32in 1440 MVA Coolermaster Storm Trigger 2x Seasonic 1250watt Case Labs TH10 
MouseAudioAudio
Roccat Kone Creative ZX AKG K7XX 
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