GIGABYTE GA-H55M-UD2H

CPU1. 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. )
2. L3 cache varies with CPU
QPI
ChipsetIntel® H55 Express Chipset
Memory1. 4 x 1.5V DDR3 DIMM sockets supporting up to 16 GB of system memory (Note 1)
2. Dual channel memory architecture
3. Support for DDR3 2200+/1800/1600/1333/1066/800 MHz memory modules
4. Support for non-ECC memory modules
5. Support for Extreme Memory Profile (XMP) memory modules
Onboard GraphicsIntegrated in the Chipset:

1. 1 x D-Sub port
2. 1 x DVI-D port
3. 1 x HDMI port
4. 1 x DisplayPort

Multi-Graphics Technology

1. Support for ATI CrossFireX technology
Audio1. Realtek ALC889 codec
2. High Definition Audio
3. 2/4/5.1/7.1-channel
4. Support for S/PDIF In/Out
5. Support for CD In
LAN1 x RTL8111D chip (10/100/1000 Mbit)
Expansion Slots1. *1 x PCI Express x16 slot, running at x16 (PCIEX16) (Note 5) (The PCIEX16 slot conforms to PCI Express 2.0 standard. )
2. *1 x PCI Express x16 slot, running at x4 (PCIEX4)
3. 2 x PCI slots
Storage InterfaceChipset:

1. 5 x SATA 3Gb/s connectors supporting up to 5 SATA 3Gb/s devices
2. 1 x eSATA 3Gb/s connector on the back panel supporting up to 1 SATA 3Gb/s device

JMicron JMB368 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
IEEE 1394T. I. TSB43AB23 chip

1. Up to 2 IEEE 1394a ports (1 on the back panel, 1 via the
USBChipset:

1. 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)
Internal I/O Connectors1. 1 x 24-pin ATX main power connector
2. 1 x 4-pin ATX 12V power connector
3. 1 x floppy disk drive connector
4. 1 x IDE connector
5. 5 x SATA 3Gb/s connectors
6. 1 x CPU fan header
7. 1 x system fan headers
8. 1 x front panel header
9. 1 x front panel audio header
10. 1 x CD In connector
11. 1 x S/PDIF In header
12. 1 x S/PDIF Out header
13. 3 x USB 2.0/1.1 headers
14. 1 x IEEE 1394a header
15. 1 x serial port header
16. 1 x clearing CMOS jumper
Back Panel Connectors1. 1 x PS/2 keyboard or PS/2 mouse port
2. 1 x D-Sub port (Note 2)
3. 1 x DVI-D port (Note 2) (Note 3) (Note 4)
4. 1 x HDMI port (Note 2) (Note 4)
5. 1 x DisplayPort(Note 2)(Note 4)
6. 1 x IEEE 1394a port
7. 1 x optical S/PDIF Out connector
8. 6 x USB 2.0/1.1 ports
9. 1 x eSATA 3Gb/s connector
10. 1 x RJ-45 port
11. 6 x audio jacks (Center/Subwoofer Speaker Out/Rear Speaker Out/ Side Speaker Out/Line In/Line Out/Microphone)
I/O ControlleriTE 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
BIOS1. 2 x 64 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 Features1. 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 Q-Share
Operating SystemSupport for Microsoft® Windows 7/Vista/XP
Form Factor1. ATX Form Factor; 24.4cm x 23cm