The Asus A8N-SLI Premium includes IEEE 1394a Firewire, two Gigabit NICs, 7.1 channel audio and an additional Serial ATA/RAID controller (for a total of 8 SATA headers). In terms of expansion, the motherboard offers up one PCI Express x1 slot, one PCI Express x4 slot and three traditional 32 bit PCI slots to the two PCI Express x16 sockets. Finally, the board can be used with any Socket 939 AMD Athlon64/FX CPU currently on the market, and up to 4GB of PC3200 DDR-RAM can be installed.