Gigabyte GA-P55M-UD2

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
(Go to GIGABYTE's website for the latest memory support list.)
Audio
Realtek ALC888B 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) (The PCIEX16 slot conforms to PCI Express 2.0 standard.)
1 x PCI Express x16 slot, running at x4 (PCIEX4)
2 x PCI slots
Multi-Graphics Technology
Support for ATI CrossFireX™ technology
Storage Interface
Intel® P55 Express Chipset:
5 x SATA 3Gb/s connectors (SATA2_0, SATA2_1, SATA2_2, SATA2_3, SATA2_4) 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
Support for SATA RAID 0, RAID 1, RAID 5, and RAID 10
GIGABYTE SATA2 chip:
1 x IDE connector supporting ATA-133/100/66/33 and up to 2 IDE devices
2 x SATA 3Gb/s connectors (GSATA2_0, GSATA2_1) supporting up to 2 SATA 3Gb/s devices
Support for SATA RAID 0, RAID 1, and JBOD
iTE IT8720 chip:
1 x floppy disk drive connector supporting up to 1 floppy disk drive
USB
Integrated in the Chipset
Up to 14 USB 2.0/1.1 ports (10 on the back panel, 4 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 IEEE 1394a bracket connected to the internal IEEE 1394a header)
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
7 x SATA 3Gb/s connectors
1 x CPU fan header
1 x system 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 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 coaxial S/PDIF Out connector
1 x optical S/PDIF Out connector
10 x USB 2.0/1.1 ports
1 x eSATA 3Gb/s port
1 x IEEE 1394a port
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 fan speed detection
CPU overheating warning
CPU/System 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 Q-Share
Bundled Software
Norton Internet Security (OEM version)
Operating System
Support for Microsoft® Windows 7/Vista/XP
Form Factor
Micro ATX Form Factor; 24.4cm x 24.4cm

+I/O shield krytka