ECS KA1 MVP Extreme
 

As RD480 is observed (NorthBridge) is the one in charge to handle slots PCIe 16x that becomes in 2 of 8x when being in Crossfire, the card of Network Gigabit, the memory channel for when cards are used hyperMemory has a unique channel between memories and VGA for asi to extract part of the ram of the system as memory of the VGA and the SB450 is the one who worries about Discos Duros (SATA), ports USB2.0, the Audio HD and normal ports PCI.