Gigabyte GA-P55A-UD4 (rev. 2.0) Intel INF Driver

CPU
1. Support for an Intel Core i7 series processor/Intel Core i5 series processor in the LGA1156 package (Go to GIGABYTE\'s website for the latest CPU support list.)
2. L3 cache varies with CPU 

Chipset    
1. Intel P55 Express Chipset 

Memory    
1. 4 x 1.5V DDR3 DIMM sockets supporting up to 16 GB of system memory
2. Dual channel memory architecture
3. Support for DDR3 2200/1600/1333/1066/800 MHz memory modules
4. Support for non-ECC memory modules
5. Support for Extreme Memory Profile (XMP) memory modules 

Audio
1. Realtek ALC889 codec
2. High Definition Audio
3. 2/4/5.1/7.1-channel
4. Support for Dolby Home Theater
5. Support for S/PDIF In/Out
6. Support for CD In 

LAN    
1. 1 x RTL8111E chip (10/100/1000 Mbit)

Expansion Slots    
1. *1 x PCI Express x16 slot, running at x16 (PCIEX16)
2. *1 x PCI Express x16 slot, running at x8 (PCIEX8) (The PCIEX16 and PCIEX8 slots conforms to PCI Express 2.0 standard.)
3. 3 x PCI Express x1 slots
4. 2 x PCI slots