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GIGABYTE P55A-UD3P ATX LGA1156 P55 DDR3 2PCI-E 2PCI GBLAN CrossFireX USB3.0 SATA3 Motherboard

This product can only be exchanged or replaced with the exact same item.
GIGABYTE P55A-UD3P ATX LGA1156 P55 DDR3 2PCI-E 2PCI GBLAN CrossFireX USB3.0 SATA3 Motherboard - 1
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GIGABYTE P55A-UD3P ATX LGA1156 P55 DDR3 2PCI-E 2PCI GBLAN CrossFireX USB3.0 SATA3 Motherboard - 47579_l.jpg GIGABYTE P55A-UD3P ATX LGA1156 P55 DDR3 2PCI-E 2PCI GBLAN CrossFireX USB3.0 SATA3 Motherboard - 47579_1.jpg Customer Photos (0)
Reg. Price: $172.98  CAD
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Part #: GA-P55A-UD3P

SKU: 47579
Shipping Weight: 5 lbs

Customer Reviews of Gigabyte GA-P55A-UD3P

Product reviews on NCIX.com are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by NCIX.com, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding Gigabyte GA-P55A-UD3P reviews.
Experience: 3 Months


Stability, Gigabyte, SATA3 + USB3 (with limitations)
SATA3 + USB3 limitations
Solid board with a decent set of features for mid-pack systems. The crippled USB3 and SATA3 is not ideal but not a deal breaker. You'd probably be looking elsewhere for a high end gaming setup anyway.

I've had no complaints using this board. There was one hiccup where the onboard LAN wouldn't come out of its green function when switching back and forth between Windows 7 and Linux.. but that resolved itself after a few reboots and hasn't show up again since.

Experience: 50 Days


Good price for performance, USB3.0/Sata3, many features, great overclocking ability
Crossfire only x16/x4
No issues whatsoever with i5 750. Good mobo for the price. Definitely within the price range for basic builds.

Experience: 2 Months


Good Performance/Price ratio
Many Features
SATA3/USB3.0 ready
I have never bought a Gigabyte mobo but this one does impress me. It has SATA3 and USB3.0 support so it is ready for future HDD and peripheral upgrades. The only thing that I don't like is based on Intel, LGA1156 is short-lived, but it cannot really blame on the mobo. You cannot ask too much for a ~$150 mobo about future-proof.

Experience: 2 Weeks


Not very many :(, It works It has a MIR and has a mouse/keyboard port which is really cool. Also it has two USB 3.0 ports which I think will come in handy soon! The E-Sata Ports are nice as well. Its blue :).
The IO Plate has e-Sata Upside down as well as one of the USB 2.0 Pictures. The Sata Ports are NOT 90 Degrees and they block you from using Cross Fire (well at least with a big long card). Board is a little small the boot screen seems to take awhile but I'm not sure if that has anything to do with that. Its definitely missing some features I would have other wise enjoyed. Also they cut Blue Tooth Dongle off from this. And a few more Fan Ports MAYBE would be nice. Also it has NO firewire Support which is a big no no Since my case has one on the frontAlthough I'd never use it I would still like to have all live ports on my Case.
Overall a good Mobo But next time I would look deeper into buying a different Gigabyte Mobo Over this one. I like Gigabyte but this Mobo had to many negatives for me to buy it again. WORKS FINE, everything NECESSARY is on it but the IO plate Glitch REALLY annoys me.

Over all, If your just building a regular PC nothing special no Dual Cards then your fine. But you can't do Dual Cards.

So the CrossFireX support is kind of a lie. But other then that awesome mobo so far.

Experience: 20 Days


Good price, work very well, has many usb ports
I got my core i5 and my HD 5750 gpu and it installs realy well. Very good quality price. Has many usb ports. Gigabyte is what i'm looking for.

Experience: 2 Weeks


Great documentation
Bios features
none noted so far....it seems to be running perfectly
So I got this mobo to go with an i5 750 and a Radeon HD 5770 gpu....it installed very easily. Flashing the bios for an update  to F10 was easy as pie, and with the dual bios feature, I wasn't worried about doing it. I used sbios for the update . I really have no complaints, lots of room for after market coolers around the cpu and memory slots. The only thing to watch out for is to make sure you know what rev. your mobo is. I thought I was buying a rev 2.0 when in fact mine was a 1.0. No big deal, but the update s are different and the list of supported memory modules is also different. I would recommend this to anyone building a slightly above mid-line multi-tasking computer.

Experience: 3 Weeks


-quality components
-made by gigabyte
not full USB and SATA 3.0. They run off the PCI-E path so if you use them your video card on the pci-e slot will get throtled down from 16x to 8x or maybe even lower.
Solid Board. Colour scheme is kind of funky but its fine. I have not had any problems with it yet. Used it in a friend's build. Used G skill 1.5 ram and i7 860. Have not tried over clocking. Everything worked from the get go without any hitches. I disabled USB 3.0 and sata 3.0 in the bios.

Experience: 3 Months


Good price, works great, nice amount of ports / support for usb 3.0
None that I know of
Bought this three months ago when I was building my new rig. Works perfectly with my i5 750 using the lga1156 socket. Nice price point, excellent for what I needed. Also glad that I'll be able to use usb 3.0 when that comes out.

Experience: 3 Days


Very solid board, got to 4.01Ghz with only 1.3v and 1.17vtt passed hours of tests.
Great board, it's a day and night difference compares to the POS ECS one I had. Rock solid and low voltage at 4.01Ghz.

Product Videos [ Edit ]

Features [ Edit | History ]


Ultra Durable 3 GA-P55A-UD3P Desktop Board 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.

Quick Specs:
Package Contents
  • Ultra Durable 3 GA-P55A-UD3P Desktop Board
  • User Manual
  • Quick Installation Guide
  • 1 x IDE Cable
  • 4 x SATA 3Gb/s Cables
  • I/O Shield
Maximum Memory 16 GB
Form Factor ATX
Processor Supported Pentium Core i3 Core i5 Core i7
RAID Levels JBOD 1+0 5 1 0
Controller Type Ultra ATA/133 (ATA-7) Serial ATA/600 Floppy Controller
Processor Socket Socket H LGA-1156
Memory Technology DDR3 SDRAM
Width 12"
Depth 9.6"
Environmentally Friendly Yes
Environmental Certification WEEE RoHS
Chipset Manufacturer Intel
Number of Memory Slots 4
Audio Channels 7.1
Gigabit Ethernet Yes
Number of SATA Interfaces 10
Number of PCI Express x1 Slots 2
RAID Supported Yes
Number of Total Expansion Slots 7
Number of PCI Express x16 Slots 2
Total Number of USB Ports 10
Number of USB 3.0 Ports 2
Total Number of Onboard USB Ports 2
Onboard S/PDIF Header Yes
Total Number of PCI Express Slots 4
Memory Speed Supported 800 MHz 1.07 GHz 1.33 GHz 1.60 GHz

Specifications [ Edit | History ]

     Audio Channels: 7.1
     Sound Controller Manufacturer: Realtek
     Sound Controller Model: ALC889
General Information  
     Brand Name: Gigabyte
     Manufacturer: GIGABYTE Technology, Inc
     Manufacturer Part Number: GA-P55A-UD3P
     Manufacturer Website Address: https://www.gigabyte.com
     Product Model: GA-P55A-UD3P
     Product Name: Ultra Durable 3 GA-P55A-UD3P Desktop Board
     Product Type: Desktop Motherboard
I/O Controller  
     Controller Type: Serial ATA/600
Ultra ATA/133 (ATA-7)
Floppy Controller
     RAID Levels: 0
     RAID Supported: Yes
I/O Expansions  
     Number of PCI Express x1 Slots: 2
     Number of PCI Express x16 Slots: 2
     Number of PCI Slots: 3
     Number of Total Expansion Slots: 7
     Total Number of PCI Express Slots: 4
     Audio Line In: Yes
     Audio Line Out: Yes
     eSATA: Yes
     Microphone Port: Yes
     Network (RJ-45): Yes
     Number of PS/2 Ports: 1
     Number of S/PDIF Out Ports: 2
     Number of USB 2.0 Ports: 8
     Number of USB 3.0 Ports: 2
     PS/2 Port: Yes
     S/PDIF: Yes
     Total Number of USB Ports: 10
     Maximum Memory: 16 GB
     Memory Speed Supported: 1.60 GHz
1.33 GHz
1.07 GHz
800 MHz
     Memory Standard: DDR3-1600/PC3-12800
     Memory Technology: DDR3 SDRAM
     Number of Memory Slots: 4
     Environmental Certification: WEEE
     Environmentally Friendly: Yes
     Package Contents:
  • Ultra Durable 3 GA-P55A-UD3P Desktop Board
  • User Manual
  • Quick Installation Guide
  • 1 x IDE Cable
  • 4 x SATA 3Gb/s Cables
  • I/O Shield

Network & Communication  
     Gigabit Ethernet: Yes
Onboard Interfaces  
     Number of IDE Interfaces: 1
     Number of SATA Interfaces: 10
     Onboard Audio Header: Yes
     Onboard LEDs Header: Yes
     Onboard S/PDIF Header: Yes
     Total Number of Onboard USB Ports: 2
Physical Characteristics  
     Depth: 9.61" (244 mm)
     Form Factor: ATX
     Width: 12.01" (305 mm)
Processor & Chipset  
     64-bit Processing: Yes
     Chipset Manufacturer: Intel
     Processor Socket: Socket H LGA-1156
     Processor Supported: Core i7
Core i5
Core i3
     Processor Technology: Enhanced SpeedStep Technology

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First 30 days limited warranty through NCIX.com. The remainder of the 3 year warranty is provided directly by the manufacturer.

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Motherboards, Video cards, servers and Rackmount server boards carry three years limited warranty.

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Warranty Period by Product

  • Motherboards
    • All motherboards carry a 3 year limited warranty (First 2 years parts & labor, 3rd year parts only)
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    • All graphic cards carry a 3 year limited warranty (First 2 years parts & labor, 3rd year parts only)
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    • Server Boards carry a 3 years limited warranty (First 2 years parts & labor, 3rd year labor only)   
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    • Motherboards assembled with barebones systems carry a 3 years limited warranty (1st year parts & labor, 2nd and 3rd year labor only)
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  • Peripherals (Coolers, Keyboards, Mouse, Optical Devices, etc.)
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