• Frys.com #6821096
  • Manufacturer: Gigabyte
  • UPC #818313012890
  • Model #GA-990FXA-UD3
  • The 990FXA-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.



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    Detailed Description
    (Manufacturer # GA-990FXA-UD3 )

    CPUAM3+ Socket:

    1. Support for AMD AM3+ FX processors

    2. Support for AMD AM3 Phenom™ II processors / AMD Athlon™ II processors

    (Please refer "CPU Support List" for more information.) Hyper Transport Bus

    1. 5200 MT/s


    1. North Bridge: AMD 990FX

    2. South Bridge: AMD SB950


    1. 4 x 1.5V DDR3 DIMM sockets supporting up to 32 GB of system memory (Note 1)

    2. Dual channel memory architecture

    3. Support for DDR3 2000(O.C.)/1866/1600/1333/1066 MHz memory modules (Note 2)

    (Please refer "Memory Support List" for more information.) 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 Out


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

    Expansion Slots

    1. 2 x PCI Express x16 slots, running at x16 (PCIEX16_1, PCIEX16_2) (Note 3)

    2. 2 x PCI Express x16 slots, running at x4 (PCIEX4_1, PCIEX4_2)

    3. 2 x PCI Express x1 slots (All PCI Express slots conform to the PCI Express 2.0 standard.)

    4. 1 x PCI slot

    Multi-Graphics Technology

    1. Support for 2-Way AMD CrossFireX™ and NVIDIA SLI™ technology (PCIEX16_1, PCIEX16_2)

    Storage InterfaceSouth Bridge:

    1. 6 x SATA 6Gb/s connectors (SATA3_0~SATA3_5) supporting up to 6 SATA 6Gb/s devices

    2. Support for SATA RAID 0, RAID 1, RAID5, RAID 10 and JBOD

    2 x Marvell 88SE9172 chips:

    1. 2 x eSATA 6Gb/s connectors on the back panel supporting up to 2 SATA 6Gb/s devices

    2. Support for RAID 0 and RAID 1

    USBSouth Bridge:

    1. Up to 14 USB 2.0/1.1 ports (8 ports on the back panel, 6 ports available through the internal USB headers)

    2 x Etron EJ168 chips:

    1. Up to 4 USB 3.0/2.0 ports (2 ports on the back panel, 2 ports available through the internal USB header)

    IEEE 1394VIA VT6308 chip:

    1. Up to 2 IEEE 1394a ports (1 port on the back panel, 1 port available through the internal IEEE 1394a header)

    Internal I/O Connectors

    1. 1 x 24-pin ATX main power connector

    2. 1 x 8-pin ATX 12V power connector

    3. 6 x SATA 6Gb/s connectors

    4. 1 x CPU fan header

    5. 2 x system fan headers

    6. 1 x power fan header

    7. 1 x front panel header

    8. 1 x front panel audio header

    9. 1 x S/PDIF Out header

    10. 3 x USB 2.0/1.1 headers

    11. 1 x USB 3.0/2.0 header

    12. 1 x IEEE 1394a header

    13. 1 x Trusted Platform Module (TPM) header

    14. 1 x serial port header

    15. 1 x clearing CMOS jumper

    Back Panel Connectors

    1. 1 x PS/2 keyboard/mouse port

    2. 1 x optical S/PDIF Out connector

    3. 1 x IEEE 1394 port

    4. 8 x USB 2.0/1.1 ports

    5. 2 x USB 3.0/2.0 ports

    6. 2 x eSATA 6Gb/s connector

    7. 1 x RJ-45 port

    8. 6 x audio jacks (Center/Subwoofer Speaker Out/Rear Speaker Out/Side Speaker Out/Line In/Line Out/Microphone)

    I/O Controller

    1. ITE IT8720 chip

    H/W Monitoring

    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 (Note 4)


    1. 2 x 32 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

    Unique Features

    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 (Note 5)

    8. Support for Easy Energy Saver

    9. Support for Smart Recovery

    10. Support for Auto Green

    11. Support for ON/OFF Charge

    12. Support for Cloud OC

    13. Support for 3TB+ Unlock

    14. Support for Q-Share

    Operating System

    1. Support for Microsoft Windows 7/ Vista/ XP

    Form Factor

    1. ATX Form Factor; 30.5cm x 24.4cm

    Note(Note 1) Due to Windows 32-bit operating system limitation, when more than 4 GB of physical memory is installed, the actual memory size displayed will be less than 4 GB.

    (Note 2) To support a DDR3 1866 MHz (and above) memory, you must install an AMD AM3+ CPU first.

    (Note 3) For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16_1 slot; if you are installing two PCI Express graphics cards, it is recommended that you install them in the PCIEX16_1 and PCIEX16_2 slots.

    (Note 4) Whether the CPU/system fan speed control function is supported will depend on the CPU/system cooler you install.

    (Note 5) Available functions in EasyTune may differ by motherboard model. Remark

    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.


    Click Here for processor compatibility chart

    Technical Specifications   [return to top]
     Specification Value
    Processor Supported: AMD
    Socket Type: AMD AM3 plus
    CPU Type: Phenom II x6 125w /AM3 plus
      Phenom II x6 x125w /AM3
      Phemom II x6 95w /AM3 plus
      Phenom II x6 95w /AM3
      Phenom II x4 125w /AM3 plus
      Phenom II x4 125w /AM3
      Phenom II x4 95w /AM3 plus
      Phenom II x4 95w /AM3
      Phenom II x2 80w /AM3
      Athlon II x4 95w /AM3
      Athlon II x3 95w /AM3
      Athlon II x2 65w /AM3
      Sempron 45w /AM3
    North Bridge Chipset: AMD 990FX
    South Bridge Chipset: AMD 950
    Number of Memory Slots: 4 DIMM Slot
    Memory Type: DDR3
    Form Factor: ATX
    Onboard Video Chipset: None
    Video Output: None
    Multi-GPU Solution: SLI
    Memory Channel: Dual
    PCI Express 2 x16 Slots: 2
    PCI Express 3 x16 Slots: 0
    PCI Slots: 1
    PCIe x1 Slots: 2
    PCIe x4 Slots: 2
    PATA Support: None
    SATA 1 5 Gb Support: 0
    SATA 3Gb Support: 0
    SATA 6GB Support: 6
    USB 3.1 Ports: 0
    USB 3 Ports: 4
    USB 2 Ports: 14
    eSATA Ports: 2
    Firewire 1394a Ports: 1
    Thunderbolt: No
    LAN Ports: 10/100/1000
    On Board Power Connectors: 24 Pin ATX
      1x 8 Pin ATX 12V
    CPU Fan Header: 1x 4 Pin PWM
    3 Pin System Fan: 2 Headers
    4 Pin PWM System Fans: 1 Header


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