GA-P55-UD3L (Rev. 2.3)

1. 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

1. Intel^® H55 Express Chipset

* This model uses an Intel H55 Chipset, however it DOES NOT support integrated graphics from the Intel Core i5/i3 processor and requires a VGA card for graphics output.

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 2200/1333/1066/800 MHz memory modules
4. Support for non-ECC memory modules
5. Support for Extreme Memory Profile (XMP) memory modules

1. Realtek ALC892 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

1. 1 x RTL8111E chip (10/100/1000 Mbit)

1. 1 x PCI Express x16 slot, running at x16 (PCIEX16) (The PCIEX16 slot conforms to PCI Express 2.0 standard.)
2. 1 x PCI Express x16 slot, running at x4 (PCIEX4)
3. 1 x PCI Express x1 slot
4. 4 x PCI slots

1. Support for Software ATI CrossFireX™ technology only

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

1. 1 x IDE connector supporting ATA-133/100/66/33 and up to 2 IDE devices
2. 2 x SATA 3Gb/s connectors (GSATA2_0, GSATA2_1) supporting up to 2 SATA 3Gb/s devices
3. Support for SATA RAID 0, RAID 1, and JBOD

1. 1 x floppy disk drive connector supporting up to 1 floppy disk drive

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)

1. 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. 8 x SATA 3Gb/s connectors
6. 1 x CPU fan header
7. 2 x system fan headers
8. 1 x power fan header
9. 1 x front panel header
10. 1 x front panel audio header
11. 1 x CD In connector
12. 1 x S/PDIF In header
13. 1 x S/PDIF Out header
14. 3 x USB 2.0/1.1 headers
15. 1 x clearing CMOS jumper

1. 1 x PS/2 keyboard or PS/2 mouse port
2. 1 x coaxial S/PDIF Out connector
3. 1 x parallel port
4. 1 x serial port
5. 8 x USB 2.0/1.1 ports
6. 1 x RJ-45 port
7. 3 x audio jacks (Line In/Line Out/Microphone)

1. iTE IT8720 chip

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

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

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 Q-Share

1. Norton Internet Security (OEM version)

1. Support for Microsoft^® Windows 7/Vista/XP

1. ATX Form Factor; 30.5cm x 19.0cm

1. Due to different Linux support condition provided by chipset vendors, please download Linux driver from chipset vendors' website or 3rd party website.
2. Most hardware/software vendors may no longer offer drivers to support Win9X/ME/2000/XP SP1/SP2. If drivers are available from the vendors, we will update them on the GIGABYTE website.