The M4A78-E Computer Motherboard from ASUS is a computer motherboard that supports AMD AM3 CPUs and up to 16GB of DDR2 memory, up to 1300MHz in speed. The motherboard boasts PCI Express 2.0 slots, a Gigabit LAN port, integrated audio, FireWire and USB peripheral ports, and an eSATA port. Integrated drive controllers support up to 2 internal PATA and 5 internal SATA drives.