Gigabyte GA-H55M-UD2H LGA1156, H55, 4DDR3, GBLAN, PCIEx16, SATA, mATX, HDMI, 2FW,

GA-H55M-UD2H (rev. 1.0)
Intel® H55 Chipset
Leading quality standard of Ultra Durable™ 3 classic technology with 2oz copper PCB design
Innovative Smart 6 technology for smarter PC management
Supports Intel Core™ i7/ Core™ i5/ Core™ i3 LGA1156 processors
Dynamic Energy Saver™ 2 technology enables best energy efficiency
2 PCI-E 2.0 x16 graphics interface(x16+x4) with ATI CrossFireX support for ultimate graphics performance
AutoGreen technology Greening your PC via Bluetooth cellphone
Patented DualBIOS™ technology delivering highest level failure protection
Easy BIOS setting for GPU overclocking
Supports 6 devices without the need for drivers to be installed before being fully operational
Enhanced Intel HD Graphics integrated with the processor
Integrated HDMI/ DVI/ DisplayPort interface for smoother HD video playback
High-performance DAC with 108 dB Signal-to-Noise ratio playback quality
Compatible with Windows 7 to deliver the best operation experience
Meet European Union EuP(Energy-using Products) requirement
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® H55 Express Chipset
Memory 4 x 1.5V DDR3 DIMM sockets supporting up to 16 GB of system memory (Note 1)
Dual channel memory architecture
Support for DDR3 2200+/1800/1600/1333/1066/800 MHz memory modules
Support for non-ECC memory modules
Support for Extreme Memory Profile (XMP) memory modules
* To reach DDR3 2200 MHz and above, you are required to use with Intel Core i7/Core i5 CPU without HD Graphics and install a discrete graphics card.
When using Intel Core i5/Core i3/ Pentium CPU with HD Graphics, the maximum memory speed supported is 1666 MHz
* Go to GIGABYTE's website for the latest memory support list.
Onboard Graphics Integrated in the Chipset:
1 x D-Sub port (Note 2)
1 x DVI-D port (Note 2) (Note 3) (Note 4)
1 x HDMI port(Note 2) (Note 4)
1 x DisplayPort (Note 2) (Note 4)
Audio Realtek ALC889 codec
High Definition Audio
2/4/5.1/7.1-channel
Support for S/PDIF In/Out
Support for CD In
LAN 1 x RTL8111D chip (10/100/1000 Mbit)
Expansion Slots *1 x PCI Express x16 slot, running at x16 (PCIEX16) (Note 5) (The PCIEX16 slot conforms to PCI Express 2.0 standard.)
*1 x PCI Express x16 slot, running at x4 (PCIEX4) (Note 6)
2 x PCI slots
Multi-Graphics Technology Support for ATI CrossFireX™ technology(Note 6)
Storage Interface Chipset:
5 x SATA 3Gb/s connectors supporting up to 5 SATA 3Gb/s devices
1 x eSATA 3Gb/s connector on the back panel supporting up to 1 SATA 3Gb/s device
JMicron JMB368 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
USB Chipset:
Up to 12 USB 2.0/1.1 ports (6 on the back panel, 6 via the USB brackets connected to the internal USB headers)
IEEE 1394 T.I. TSB43AB23 chip
Up to 2 IEEE 1394a ports (1 on the back panel, 1 via the
Internal I/O Connectors 1 x 24-pin ATX main power connector
1 x 4-pin ATX 12V power connector
1 x floppy disk drive connector
1 x IDE connector
5 x SATA 3Gb/s connectors
1 x CPU fan header
1 x system fan headers
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
3 x USB 2.0/1.1 headers
1 x IEEE 1394a header
1 x serial port header
1 x clearing CMOS jumper
Back Panel Connectors 1 x PS/2 keyboard or PS/2 mouse port
1 x D-Sub port (Note 2)
1 x DVI-D port (Note 2) (Note 3) (Note 4)
1 x HDMI port (Note 2) (Note 4)
1 x DisplayPort(Note 2)(Note 4)
1 x IEEE 1394a port
1 x optical S/PDIF Out connector
6 x USB 2.0/1.1 ports
1 x eSATA 3Gb/s connector
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 (Note 8)
BIOS 2 x 64 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 Q-Share
Bundle Software Norton Internet Security (OEM version)
Operating System Support for Microsoft® Windows 7/Vista/XP
Form Factor ATX Form Factor; 24.4cm x 23cm