Gigabyte GA-P55A-UD5, the first motherboard with Windows 7 certification logo

Series A of the Gigabyte motherboard is equipped with USB 3.0

Gigabyte GA-P55A-UD5 is the first motherboard certified Windows 7 Logo.

New board with a code of series A, USB 3.0 technology has been adopted.

Features board has 12 phase VRM power and three PCIe slots

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Specifications :

CPU

1. Support for an Intel® Core™ i7 series processor/Intel®Core™ i5 series processor in the LGA1156 package (Go to GIGABYTE's website for the latest CPU support list.) 

2. L3 cache varies with CPU

Chipset 

1. Intel® P55 Express Chipset

Memory 

1. 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 2600+/ 2200/1600/1333/1066/800 MHz memory modules

4. Support for non-ECC memory modules

5. Support for Extreme Memory Profile (XMP) memory modules

Go to Memory Support List for the latest memory support list.

Audio 

1. Realtek ALC889 codec

2. High Definition Audio

3. 2/4/5.1/7.1-channel

4. Support for Dolby® Home Theater

5. Support for S/PDIF In/Out

6. Support for CD In

LAN 

1. 2 x RTL8111D chips (10/100/1000 Mbit)

2. Support for Teaming

3. Support for Smart Dual LAN

Expansion Slots 

1. *1 x PCI Express x16 slot, running at x16 (PCIEX16_1)

2. *1 x PCI Express x16 slot, running at x8 (PCIEX8_1) (The PCIEX16_1 and PCIEX8_1 slots  conform to PCI Express 2.0 standard.)

3. *1 x PCI Express x16 slot, running at x4 (PCIEX4_1) (Note 4)

4. 2 x PCI Express x1 slots

5. 2 x PCI slots

Multi-Graphics Technology 

1. Support for ATI CrossFireX™/NVIDIA SLI technology Technology (The PCIEX16_1 and PCIEX8_1 slots only.)

Storage Interface 

Chipset:

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

2. Support for SATA RAID 0, RAID 1, RAID 5, and RAID 10

Marvell 9128 chip:

1. 2 x SATA 6Gb/s connectors (GSATA3_6, GSATA3_7) supporting up to 2 SATA 6Gb/s devices

2. Support for SATA RAID 0 and RAID 1

JMB362 chips:

1. 2 x eSATA 3Gb/s connectors (eSATA/USB Combo) on the back panel supporting up to 2 SATA 3Gb/s devices

2. Support for SATA RAID 0, RAID 1, and JBOD

iTE IT8213 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

USB 

Chipset

1. Up to 12 USB 2.0/1.1 ports (8 on the back panel, including 2 eSATA/USB Combo, 4 via the USB brackets connected to the internal USB headers)

NEC 

Chip

1. Up to 2 USB 3.0/2.0 ports on the back panel