Gigabyte GA-P55A-UD4 (rev. 2.0) Marvell SATA3 RAID Utility

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 

Multi-Graphics Technology
1. Support for ATI CrossFireX/NVIDIA SLI technology 

Storage Interface Chipset:
1. 6 x SATA 3Gb/s connectors (SATA2_0, SATA2_1, SATA2_2, SATA2_3, SATA2_4, SATA2_5) supporting up to 6 SATA 3Gb/s devices
2. Support for SATA RAID 0, RAID 1, RAID 5, and RAID 10 

Marvell 9128 chip:
1. 2 x SATA 6Gb/s connectors (GSATA3_6, GSATA3_7) supporting up to 2 SATA 6Gb/s devices
2. Support for SATA RAID 0 and RAID 1 

JMB362 SATA2 chip:
1. 2 x eSATA 3Gb/s connectors on the back panel supporting up to 2 SATA 3Gb/s devices
2. Support for SATA RAID 0, RAID 1, and JBOD 

iTE IT8213 chip:
1. 1 x IDE connector supporting ATA-133/100/66/33 and up to 2 IDE devices 

iTE IT8720 chip:
1. 1 x floppy disk drive connector supporting up to 1 floppy disk drive 

USB Chipset:
1. Up to 12 USB 2.0/1.1 ports (8 on the back panel, 4 via the USB brackets connected to the internal USB headers) 

NEC chip:
1. Up to 2 USB 3.0/2.0 ports on the back panel 

IEEE 1394
1. T.I. TSB43AB23 chip
2. Up to 3 IEEE 1394a ports (2 on the back panel, 1 via the IEEE 1394a bracket connected to the internal IEEE 1394a header)