Difference between Asus M5A97 R2.0 and Asus M5A99X Evo R2.0

[Boijay]

What is the difference between these two?

 

[alexoiu]

Apart from price, chipset (990x vs 970), SLI Support (990x), different storage, audio controllers, firewire, more USB 3.0 ports (including mid-board), better power design (990x).
More about: http://www.asus.com/Compare/