Crossfire R9280x BF4 same FPS like whit single card?

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Hi today i buy new R9 280x, and i put in crossfire whit other R9 280.

Then i wanna try fps in BF4 and i got same fps like whit single card. 45-60 all to hight, NOTHING CHANGE IS THAT POSSIBLE?!

My system:

Monitor: Dell 2560x1600
Motherboard: M5A99FX pro R2.0
Video: Crossfire Gigabyte R9 280x rev 3.0 and Gigabyte R9 280 rev 1.0
CPU: AMD FX8350
RAM:16GB kingston hyper x
SSD: samsung 840EVO
HDD: WD 1TB black
PSU:1100 w

Help plz..
 

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Yes it was in, i turn off vsync i get 90 fps, but my second card fans not spin is that normal?
 

WildCard999

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Like PizzaTheHutt said make sure everything is seated and properly set up. I noticed that these cards DO NOT have a power saving mode were the fans are off if the temp is low so there may be some kind of power issue. What PSU (make/model) do you have?
 

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TNX everyting now work properly :D i forgot that i set manually in msi afterburner temp limit when fans start spining.. :D