Gigabyte GA-P55A-UD3 rev.2.0 Intel Chipset P55 Express Socket LGA1156 DDR3 ATX Motherboard. The GIGABYTE P55A-series motherboards support the latest generation SuperSpeed USB 3.0 technology made possible through an onboard NEC uPD720200 host controller. With superfast transfer rates of up to 5 Gbps, users are able to experience an almost a 10x improvement over USB 2.0. Additionally, backwards compatibility with USB 2.0 assures users of long term use of their legacy USB 2.0 devices. The onboard NEC SuperSpeed USB 3.0 technology also provides new power management features that include increased maximum bus power and device current draw to better accommodate power-hungry devices.
 

Features:

• Unique On/Off Charge delivers the best recharging capability to iPad, iPhone and iPod Touch
• 3x USB power delivery for greater compatibility and extra power for USB devices
• Leading quality standard of Ultra Durable 3 technology with 2oz copper PCB design
• Supports newest NEC SuperSpeed USB 3.0 with superfast transfer rates of up to 5 Gbps
• First got official USB 3.0 motherboard certification
• 3X USB power delivery for greater compatibility and extra power for USB devices
• Provides newest Marvell SE9128 high speed SATA3 storage interface with superfast 6Gbps link speed
• Innovative Smart 6 technology for smarter PC management
• Support Intel Core i7/ Core i5 processors with LGA 1156 socket
• New Dynamic Energy Saver 2 technology enables best energy efficiency
• Support ATI CrossFireX for ultimate graphics performance
• Features high speed Gigabit Ethernet connection
• XHD technology accelerating hard drive performance with ease
• AutoGreen technology Greening your PC via Bluetooth cellphone
• Patented GIGABYTE DualBIOS technology delivering highest level failure protection
• Home theater quality 8-channel High Definition Audio
• Compatible with Windows 7 to deliver the best operation experience










Specifications:

CPU
Support for an Intel Core i7 series processor/Intel Core i5 series processor /Intel Core i3 series processor in the LGA1156 package (Go to GIGABYTE's website for the latest CPU support list.)
L3 cache varies with CPU
Chipset
Intel P55 Express Chipset
Memory
4 x 1.5V DDR3 DIMM sockets supporting up to 16 GB of system memory
Dual channel memory architecture
Support for DDR3 2200/1600/1333/1066/800 MHz memory modules
Support for non-ECC memory modules
Support for Extreme Memory Profile (XMP) memory modules
Audio
Realtek ALC892 codec
High Definition Audio
2/4/5.1/7.1-channel
Support for S/PDIF In/Out
Support for CD In
LAN
1 x RTL8111E chip (10/100/1000 Mbit)
Expansion Slots
*1 x PCI Express x16 slot, running at x16 (PCIEX16) (The PCIEX16 slot conforms to PCI Express 2.0 standard.)
*1 x PCI Express x16 slot, running at x4 (PCIEX4)
2 x PCI Express x1 slots
3 x PCI slots
Storage Interface
Chipset:
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
Support for SATA RAID 0, RAID 1, RAID 5, and RAID 10
Marvell 9128 chip:
2 x SATA 6Gb/s connectors (GSATA3_6, GSATA3_7) supporting up to 2 SATA 6Gb/s devices
Support for SATA RAID 0 and RAID 1
* SATA3 RAID 0 4x and SATA3 2x performance are maximum theoretical values. Actual performance may vary by system configuration.
* SATA3 SSDs are not recommended for use in RAID 0 mode on Marvell SE9128 ports.
iTE IT8213 chip:
1 x IDE connector supporting ATA-133/100/66/33 and up to 2 IDE devices
iTE IT8720 chip:
1 x floppy disk drive connector supporting up to 1 floppy disk drive
Multi-Graphics Technology
Support for ATI CrossFireX technology
USB
Chipset:
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:
Up to 2 USB 3.0/2.0 ports on the back panel
Internal I/O Connectors
1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connector
1 x floppy disk drive connector
1 x IDE connector
6 x SATA 3Gb/s connectors
2 x SATA 6Gb/s connectors
1 x CPU fan header
2 x system fan headers
1 x power fan header
1 x front panel header
1 x front panel audio header
1 x CD In connector
1 x S/PDIF In header
1 x S/PDIF Out header
2 x USB 2.0/1.1 headers
1 x serial port header
1 x parallel port header
1 x clearing CMOS jumper
Back Panel Connectors
1 x PS/2 keyboard or PS/2 mouse port
1 x coaxial S/PDIF Out connector
1 x optical S/PDIF Out connector
8 x USB 2.0/1.1 ports
2 x USB 3.0 ports
1 x RJ-45 port
6 x audio jacks (Center/Subwoofer Speaker Out/Rear Speaker Out/ Side Speaker Out/Line In/Line Out/Microphone)
I/O Controller
iTE IT8720 chip
H/W Monitoring
System voltage detection
CPU/System temperature detection
CPU/System/Power fan speed detection
CPU overheating warning
CPU/System/Power fan fail warning
CPU/System fan speed control
BIOS
2 x 16 Mbit flash
Use of licensed AWARD BIOS
Support for DualBIOS
PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b
Unique Features
Support for BIOS
Support for Q-Flash
Support for Xpress BIOS Rescue
Support for Download Center
Support for Xpress Install
Support for Xpress Recovery2
Support for EasyTune
Support for Dynamic Energy Saver 2
Support for Smart 6
Support for Auto Green
Support for eXtreme Hard Drive
Support for Q-Share
Operating System
Support for Microsoft Windows 7/Vista/XP
Form Factor
ATX Form Factor; 30.5cm x 24.4cm




CPU Support