Gigabyte GA-P55A-UD4 (rev. 2.0) Intel SATA RAID/AHCI 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 

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) 

Internal I/O Connectors    
1. 1 x 24-pin ATX main power connector
2. 1 x 8-pin ATX 12V power connector
3. 1 x floppy disk drive connector
4. 1 x IDE connector
5. 6 x SATA 3Gb/s connectors
6. 2 x SATA 6Gb/s connectors
7. 1 x CPU fan header
8. 2 x system fan headers
9. 1 x power fan header
10. 1 x PCH chip fan header
11. 1 x front panel header
12. 1 x front panel audio header
13. 1 x CD In connector
14. 1 x S/PDIF In header
15. 1 x S/PDIF Out header
16. 2 x USB 2.0/1.1 headers
17. 1 x IEEE 1394a header
18. 1 x serial port header
19. 1 x parallel port header
20. 1 x clearing CMOS jumper 

Back Panel Connectors    
1. 1 x PS/2 keyboard or PS/2 mouse port
2. 1 x coaxial S/PDIF Out connector
3. 1 x optical S/PDIF Out connector
4. 2 x IEEE 1394a ports
5. 8 x USB 2.0/1.1 ports
6. 2 x USB 3.0 ports
7. 2 x eSATA 3Gb/s ports
8. 1 x RJ-45 port
9. 6 x audio jacks (Center/Subwoofer Speaker Out/Rear Speaker Out/ Side Speaker Out/Line In/Line Out/Microphone) 

I/O Controller    
1. iTE IT8720 chip 

H/W Monitoring    
1. System voltage detection
2. CPU/System temperature detection
3. CPU/System/Power fan speed detection
4. CPU overheating warning
5. CPU/System/Power fan fail warning
6. CPU/System fan speed control 

BIOS    
1. 2 x 16 Mbit flash
2. Use of licensed AWARD BIOS
3. Support for DualBIOS
4. PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b 

Unique Features    
1. Support for @BIOS
2. Support for Q-Flash
3. Support for Xpress BIOS Rescue
4. Support for Download Center
5. Support for Xpress Install
6. Support for Xpress Recovery2
7. Support for EasyTune
8. Support for Dynamic Energy Saver 2
9. Support for Smart 6
10. Support for Auto Green
11. Support for eXtreme Hard Drive
12. Support for Q-Share 

Bundle Software    
1. Norton Internet Security (OEM version) 

Form Factor    
1. ATX Form Factor; 30.5cm x 24.4cm