GIGABYTE On/Off Charge technology that enables faster iPhone, iPad and iPod Touch charging. A derivative of GIGABYTE's highly acclaimed 3x USB Power feature, On/Off Charge technology allows iPhone, iPad and iPod touch devices to draw more current from GIGABYTE motherboard USB ports than standard USB ports allow, with the added benefit that the PC can be on, in standby mode or even off...more *Due to certain mobile phone limitations, users may need to connect the mobile phone to their PC before the PC enters S4/S5 mode to enable a quick charge from non On/Off Charge USB ports. Charging results may vary by model.
GIGABYTE P55A-UD3 Obtains USB 3.0 Motherboard Certification Officially
The GIGABYTE P55A-series motherboards support the latest generation SuperSpeed USB 3.0 technology made possible through an onboard NEC uPD720200 host controller. With superfast transfer rates of up to 5 Gbps, users are able to experience an almost a 10x improvement over USB 2.0. Additionally, backwards compatibility with USB 2.0 assures users of long term use of their legacy USB 2.0 devices. The onboard NEC SuperSpeed USB 3.0 technology also provides new power management features that include increased maximum bus power and device current draw to better accommodate power-hungry devices.
* USB 3.0 10x performance is a maximum theoretical value. Actual performance may vary by system configuration.
SATA 6 Gbps Support
Yet another onboard feature of GIGABYTE P55A motherboards are Marvell’s new SE9128 chips for high-speed SATA Revision 3.0 compatibility, delivering superfast 6Gbps link speeds for twice the data transfer rates of SATA Revision 2.0 (3 Gbps). When used in RAID 0 (Stripe) mode, GIGABYTE P55A series motherboards offer even faster data transfer rates of up to 4x the speed of current SATA interfaces.
* SATA3 RAID 0 4x and SATA3 2x performance are maximum theoretical values. Actual performance may vary by system configuration. * SATA3 SSDs are not recommended for use in RAID 0 mode on Marvell SE9128 ports.
3x USB Power Boost
GIGABYTE motherboards feature a 3x USB power boost, delivering greater compatibility and extra power for USB devices. GIGABYTE’s unique USB power design is also able to efficiently regulate output over the full voltage range, which greatly enhances USB device compatibility. In addition, dedicated lower resistance fuses ensure lower voltage drops, and provide more stable and plentiful power delivery.
Ultra Durable 3
GIGABYTE Ultra Durable 3 design, featuring 2 ounces of copper for both the Power and Ground layers which dramatically lowers system temperature by delivering a more efficient spreading of heat from critical areas of the motherboard such as the CPU power zone throughout the entire PCB. GIGABYTE's Ultra Durable 3 also lowers the PCB impedance by 50%, which helps to reduce electrical waste and further lowers component temperatures. A 2oz Copper layer design also provides improved signal quality and lower EMI (Electromagnetic Interference), providing better system stability and allowing for greater margins for overclocking...more
Benefits of 2 oz Copper PCB
• Cooler than traditional motherboards • Enhanced durability • Improved energy efficiency • Greater margins for overclocking... more
Smart 6- A Smarter way for PC system Management
GIGABYTE Smart 6™ is designed with user-friendliness in mind, and offers a combination of 6 innovative software utilities that provide easier and smarter PC system management. Smart 6™ allows you to speed up system performance, reduce boot-up time, manage a secure platform and recover previous system settings easily with a click of the
Specifications
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- by David_W @Nov 01, 2010
Specifications
CPU
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.)
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 2200/1333/1066/800 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 ALC888 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 Express x1 slots
3 x PCI slots
* When set Turbo SATA3 / USB3.0 (Marvell 9128 /NEC USB 3.0 Controller) to enable in BIOS setup, 1st PCIex16 slot will run at x8 bandwidth and 2nd PCIex16 slot will be disabled.
Multi-Graphics Technology
Support for ATI CrossFireX™ technology
Storage Interface
Chipset:
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
Support for SATA RAID 0, RAID 1, RAID 5, and RAID 10
Marvell 9128 chip:
2 x SATA 6Gb/s connectors (GSATA3_6, GSATA2_7) supporting up to 2 SATA 6Gb/s devices
Support for SATA RAID 0
iTE IT8213 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 (8 on the back panel, 4 via the USB brackets connected to the internal USB headers)
NEC chip:
Up to 2 USB 3.0/2.0 ports on the back panel
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
6 x SATA 3Gb/s connectors
2 x SATA 6Gb/s connectors
1 x CPU fan header
2 x system fan headers
1 x power 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 serial port header
1 x parallel 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
8 x USB 2.0/1.1 ports
2 x USB 3.0 ports
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
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 Auto Green
Support for eXtreme Hard Drive
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; 30.5cm x 24.4cm
Remark
Due to different Linux support condition provided by chipset vendors, please download Linux driver from chipset vendors' website or 3rd party website.
Due to most hardware/software vendors no longer offer support for Win9X/ME. If some vendors still has Win9X/ME drivers available, we will publish on website.
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Wasn't looking for all the bells and whistles of the high end boards, but wanted usb and sata 3.0. this is the first Gigabyte board I've used. Bought it to use in my wifes work comp, she was still using an old pentium 3 Dell 7 years old so this was a big improvement. I like the lay-out of the board and there's more than enough perifials for her needs for some time to come. The price was well within her budget and the quality of the board seems solid I've allways bought Asus boards so I was glad I had a chance to be able to try this out. Great board for a budget build.
This is just a solid mother board, it doesn't have a whole lot of fancy features but most people don't use those anyways. I used it to build a PC for my friend who's never built before and he had no problems figuring out where everything went. Board layout is logical and it's been performing quite well for several months. I would recommend this to others.
(Read More)
I've started to use more and more Gigabyte boards in the systems I build because I find they add more features to their boards than the competitors. Lots of SATA ports, USB ports and almost always dual Gigabit LAN ports.
This is a great board that supports SATA and USB 3 for a cheap price. I mainly bought it because it was fully Hackintoshable but it runs Windows 7 pretty well too. Its very customizable with plenty of slots.
This is a great motherboard and includes nice USB 3.0 ports. However, if you want to use a USB3.0 device, make sure you don't use crossfire or SLi as this motherboard will reroute the juice from both PCI-E slots.
(Read More)
Overall an excellent motherboard with great performance and little flaws. Perfect for the casual user as it supports i5 and i7 socket 1156 cpu or a gamer that does not plan on going Crossfire with their video cards.
This motherboard has the P55 chipset, so for the general user and even the casual gamer it does what it's supposed to do very well. The problem is that if you try to push this board it might not react too well to excessive stress.
It's a great buy if you plan on doing mild overclocks in a case that has no window. The blue PCB mixed with my noctua fans make my computer's inside look like barf.
(Read More)
I use this with the i5 750 with 4gb of RAM and 5850 radeon video card. I have 2 ssd's in raid 0 and 2 sata hdd's. I have had no problems so far. Easy installation.
(Read More)
Got this motherboard recently at a great price. It has a lot of features and I was able to overclock my Intel core i5 750 quite easily. Everything seems to be running stable. Too bad when you use SATA3 or USB3.0,the PCI Express slot gets crippled.
(Read More)
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Product Warranty
First 30 days limited warranty through NCIX.com. The remainder of the 3 year warranty is provided directly by the manufacturer.
Currently Gigabyte accepts end users’ requests on RMA service. Motherboards, Video cards, servers and Rackmount server boards carry three years limited warranty.
Warranty Effective On Date of Manufacture
Gigabyte determines warranty based on the manufacture date. The manufacture date can be verified by the serial number found on the product. The first four digits after "SN" determine the year and week of manufacturing date. For example:
"01)04719331729028(21) SN0213030585" represents the 13th week of 2002
RMA Request Procedures and Guidelines
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RMA request with missing or incorrect serial number(s) may result in a delayed process or a rejection of request
Any model discrepancy for received items may result in a delayed processing timeProducts received with no RMA number may delay processing or refusal (Gigabyte will not be responsible for items received without proper information)
No cross shipping or advanced replacements under any circumstances
Products will either be repaired or replaced at our discretion
Replacements may include new or refurbished products (Replacements will be for the exact or equivalent product)
Average turnaround time will be 2-3 business working weeks upon receipt (applies to quantities not exceeding 20 pieces)
If the information on your request varies from the actual item(s) received, RMA will be based on the actual item(s) received
RMA numbers will be valid for 30 days after issued date
Gigabyte will provide one way freight via UPS or FedEx ground free of charge
For consecutive violation for No Trouble Found (NTF), a testing fee per NTF board or system may apply.
Warranty Period by Product
Motherboards
All motherboards carry a 3 year limited warranty (First 2 years parts & labor, 3rd year parts only)
Graphic Accelerator Cards (VGA)
All graphic cards carry a 3 year limited warranty (First 2 years parts & labor, 3rd year parts only)
Servers(Server Boards/Barebone Server System)
Server Boards carry a 3 years limited warranty (First 2 years parts & labor, 3rd year labor only)
Rackmount server boards carry a 3 year limited warranty (First 2 years parts and labor, 3rd year labor only)
Rackmount components carry a 2 year limited warranty
PC Barebones System
Motherboards assembled with barebones systems carry a 3 years limited warranty (1st year parts & labor, 2nd and 3rd year labor only) * Gigabyte shall provide the fees/charges for parts upon testing of motherboards in their 2nd and 3rd year of warranty
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