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  • GIGABYTE UEFI DualBIOS™ technology
  • GIGABYTE Ultra Durable™4 technology
  • Supports AMD AM3+ FX/ AM3 Phenom™ II, Athlon™ II series processors
  • 8+2 phase CPU VRM power design for AMD high-TDP CPU support
  • 3 PCI-E 2.0 x16 interfaces with 2way CrossFire and 2way SLI support
  • Hi-def 108dB Signal-to-noise ratio Blu-ray DVD audio playback
  • 6 native SATA3 ports with up to 6Gbps link speed and RAID support
  • 4 USB 3.0 ports with transfer rates of up to 5Gbps
  • GIGABYTE On/Off Charge technology with 3x USB power design
  • Supports Dolby Home Theater audio
  • To enable AM3+ AMD FX-Series CPU support, please update your motherboard with the most current BIOS found in your motherboard’s download section.
  • GIGABYTE Ultra Durable™ 4 – Insist on an Ultra Durable Motherboard

    Ultra Durable 4
    GIGABYTE Ultra Durable™ 4 motherboards embrace a range of exclusive technologies that guarantee DIY PC builders the absolute best protection for their PC, with built-in features that prevent common malfunction threats...more
  • UEFI DualBIOS™ Technology
    With a superior graphical interface capable of 32-bit color imaging and fluid user-friendly mouse navigation, UEFI DualBIOS™ makes BIOS configuration a new and exciting experience for novice and experienced users alike. UEFI BIOS also brings native support for large hard drives on 64-bit operating systems.
  • Multi-display support with 2 way CrossFire and 2 way SLI™
    Flexible graphics capabilities - Up to 2 VGA cards are supported for either 2 way CrossFire or 2 way SLI™ action (running at two x8 bandwidth), delivering the ultimate in graphics performance for gaming enthusiasts who demand the highest frame rates without compromising on resolution.
  • 108dB Signal-to-Noise ratio playback
    GIGABYTE motherboards feature higher capability audio solution with 108dB Signal-to-Noise ratio (SNR) playback quality to deliver high-performance, multi-channel HD audio. SNR is a comparison of the amount of signal to the amount of noise such as hiss present in the signal (expressed in Decibels). A higher SNR equals a better audio experience. For example, 108dB, is a high audio specification, as this means the audio signal is 108dB higher than the level of the noise.
  • Introduction


    The 990XA-UD3 motherboard is designed to offer a stable, high-speed platform for delivering amazingly fast data transfer via the GIGABYTE 333 onboard acceleration technologies. Featuring the USB3.0 controller, AMD 900 series motherboards allow users to take advantage of super fast USB transfer rates of up to 5Gbps, delivering 10x faster data transfer compared to USB 2.0. Utilizing the industry's first Serial ATA Revision 3.0 solution via AMD SB950 chipset, GIGABYTE AMD 900 series motherboards offer native 6 ports of next generation high speed data storage devices support with data transfer speeds of up to 6 Gbps with RAID 0, 1, 5, 10. The AMD 900 series motherboards introduce a unique hardware design with lower resistance fuses for ensuring lower voltage drops and providing more stable and plentiful power delivery. All USB ports also benefit from a 3x power boost for better power delivery to power hungry USB devices.
  • Get Ready for New Generation of 32nm AMD AM3+ CPU
    GIGABYTE's AMD motherboards are ready to support new generation of 32nm AMD AM3+ multi-core processors, delivering the very best platform for multitasking, multimedia and high performance gaming.
  • Supports next generation of 45nm AMD AM3 CPU
    This motherboard designs with Split Power Plane, 8+2 phase VRM to support AMD the latest 45nm AM3 Phenom™II series processors, delivering the great performance enchantment to system and ultimate scalability hardware expending.
  • GIGABYTE 333 Onboard Acceleration

    GIGABYTE motherboards feature GIGABYTE 333 Onboard Acceleration , a range of the latest technologies that are designed help speed up data transfer, including SuperSpeed USB 3.0 technology, SATA Revision 3.0 (6Gbps) technology and an unprecedented 3x USB power boost on USB ports for more power hungry USB devices.
  • Dolby Home Theater Support
    Delivers vivid surround sound for music, movies, and games, using two to eight speakers or any set of headphones.
  • On/Off Charge Technology
    GIGABYTE On/Off Charge technology allows you to charge your iPhone, iPad and iPod Touch regardless of whether your PC is on, in standby mode or even off. A derivative of GIGABYTE's highly acclaimed 3x USB Power feature, On/Off Charge enables devices to draw more current from GIGABYTE motherboard USB ports than standard USB ports allow, so that charging from your PC can be as fast as with a charger...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.
    *Whether to support 3X USB power design, it may vary by models.
    On/Off Charge Driver download
  • EasyTune6
    GIGABYTE has completely redesigned EasyTune6 from the ground up to make it easier than ever to manage and monitor your hardware resources as well as tweak your system settings in order to achieve maximum system performance. Whether you are an overclocking enthusiast, or a computer novice, EasyTune6 provides the tools you need to quickly and effortlessly fine tune your system.
  • Norton™ Internet Security
    Fast, comprehensive, and up-to-the-minute protection against online threats. It safeguards your computer, identity, and home network without slowing you down. It sets a new standard for speed and makes online shopping, banking, and browsing safer and more convenient than ever.
  • ErP Lot 6 support
    The ErP (also known as Energy-Related Products Directive) is part of the European Union's environmental regulations policy. It is based on concern for the environmental as the proliferation of electronic devices continues, and how to improve energy efficiency for a better and greener life. GIGABYTE supports ErP and produces motherboards that help you effectively improve system efficiency.
* The entire materials provided herein are for reference only. GIGABYTE reserves the right to modify or revise the content at anytime without prior notice.
* Advertised performance is based on maximum theoretical interface values from respective Chipset vendors or organization who defined the interface specification. Actual performance may vary by system configuration.
* All trademarks and logos are the properties of their respective holders.
* Due to standard PC architecture, a certain amount of memory is reserved for system usage and therefore the actual memory size is less than the stated amount.