The Guru of 3D posted a review on the ASUS Crosshair IV Formula (AMD 890FX) motherboard

We test the Crosshair IV Formula, the Mc Daddy of AMD 890FX motherboards. the alpha dog motherboards loaded with features like aforementioned, but also USB 3.0, automated overclock switches .. and get this four PCIe x16 slots and even core unlock functionality by pressing a button. The Crosshair IV Formula oozes with features and performance, the six-core Phenom II X6 processor review which you probably just read was overclocked towards 4.1 GHz on a cheapo CPU air-cooler .. based on this motherboard. Head on over to the next page, where we'll head deeply into the AMD 890 FX chipset and the ASUS Crosshair IV Formula motherboard that has the 890FX chipset embedded.

ASUS Crosshair IV Formula (AMD 890FX) Review