SPECIFICATION: NC-AS-Crosshair-3/F                                         
LINK: http://www.asus.com/product.aspx?P_ID=2Y4dQFaJ6gPN18cQ               

CPU SUPPORT: 
http://support.asus.com/download/download.aspx?SLanguage=en-us&model=CROSSHAIR                                              
CPU    : Support AMD Socket AM3, Phenom II/Athlon II/Sempron 100 series    
CHIPSET: AMD 790FX/SB750                                                   
MEMORY : 4 x DIMM Max.16GB DDR3 1600(OC)/1333/1066 ECC, NON-ECC,           
         Un-buffered memory. Daul channel memory architecture              
System Bus:  Up to 5200 MT/s ; HyperTransport 3.0                          
Slots  : 2 x PCIe 2.0 x16 (@ dual x16)                                     
         3 x PCIe 2.0 x1 ( the PCIEx1_1 (black) is compatible with audio   
         slot), 1 x PCI 2.2                                                
Featues: Support ATI CrossFire X. 5 xSATA 3 Gb/s ports Support RAID 0,1,5, 
         10,JBOD. GB LAN, 8 CH HD audio, 2x 1394a, 12x USB