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Gigabyte GA-990FXA-UD3 ATX Motherboard

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Socket AM3+ / 4x DDR3 Slots / PCIe 2.0 (x16) / 2 Way SLi, 2 Way CrossFireX Support / 4x USB 3.0, 14x USB 2.0 / 6x SATA III / ATX

This item is currently discontinued and at present, we have no replacement on order.
Quickcode: 54473  
Stock code: MBD-AM3PIL-GA-990FXA
Manuf. code: GA-990FXA-UD3
Cust. Rating:   Be the first to write a review.
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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.


  • 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 Phenomâ„¢II series processors, delivering the great performance enchantment to system and ultimate scalability hardware expending.

  • SATA 6 Gbps Support
    Yet another onboard feature of GIGABYTE AMD 900 series motherboards are integrated the latest AMD SB950 chip for high-speed SATA Revision 3.0 compatibility, delivering 6 ports native superfast 6Gbps link speeds for twice the data transfer rates of SATA Revision 2.0 (3 Gbps) and RAID 0, 1, 5, 10 support. When used in RAID 0 (Stripe) mode, GIGABYTE AMD 900 series motherboards offer even faster data transfer rates of up to 4x the speed of current SATA interfaces.

  • USB 3.0 Support
    The GIGABYTE motherboards support the latest generation SuperSpeed USB 3.0 technology made possible through an onboard USB3.0 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 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.


  • Manufacturer: Gigabyte
  • Chipset: AMD 990FX
  • CPU Socket: AM3+
  • Memory Type: Unbuffered / Non-ECC
  • Memory Speed (Mhz): DDR3 1066-1866 (2000 O.C.)
  • Memory Capacity: 32GB
  • SATA: SATA III - 6Gb/s
  • RAID: SATA (0,1,5,10)
  • Graphics Interface: PCIe 2.0 (x16)
  • SLI Support: Yes (2 Way)
  • Crossfire Support: Yes (2 Way)
  • Form Factor: ATX

  • Expansion Slots:
    : 1 x PCI (32 bit)
    : 2 x PCIe 2.0 x1
    : 2 x PCIe 2.0 x16
    : 2 x PCIe 2.0 x16 (x4 Bandwidth)

  • Internal I/O:
    : 1 x 24pin (V)
    : 1 x 8pin (V)
    : 1 x Firewire
    : 1 x FP Audio Header
    : 6 x SATA III - 6Gb/s
    : 1 x Serial (COM) Header
    : 1 x SPDIF-Out Header
    : 1 x TPM Header
    : 3 x USB 2.0 Header
    : 1 x USB 3.0 Header
    : Graphics On Board: No

  • Back Panel:
    : 1 x 10/100/1000 (LAN)
    : 2 x eSATA 6Gb/s
    : 1 x Firewire
    : 1 x Line In
    : 4 x Line Out
    : 1 x Mic In
    : 1 x PS/2 Keyboard/Mouse Combo
    : 1 x SPDIF Out (Optical)
    : 8 x USB 2.0
    : 2 x USB 3.0

    Warranty Information:

    Manufacturer gigabyte
    Warranty Type Manufacturer via Aria
    Manufacturer Website
    Warranty Period (yrs)3
    Number of PCI-E Slots - x164
    RAM Slots4
    Maximum RAM32
    CPU Socket990FX
    Form FactorATX
    RAM TypeDDR3
    SATA II Ports0
    SATA III Ports6
    USB 3.0 Ports2
    USB 2.0 Ports8
    SLIThe product has this feature
    CrossFireXThe product has this feature

    Comments, Questions & Reviews:

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    Question  Graphics Card Fit by Thomas M

    Will this motherboard work with the EVGA NVIDIA GTX 970 Superclocked ACX 2.0 Cooler 4GB Graphics Card and the AMD (Piledriver) FX-8350 4.00GHz (4.20GHz Turbo) Socket AM3+ 8-Core Processor
    Thank You

    Answer by shaund on Monday, June 22, 2015
    Yes it will.

    Question  esata connection by Keithunder

    How can I get the esata port to work?
    I bought a cable and Plugged it in and it does not even power up the drive
    I have windows 7

    Answer by shaund on Friday, June 12, 2015
    Hi Keith,

    Do you have your SATA controller set to AHCI in your BIOS? You will need to set it to that for esata.

    Question  Motherboard Revision by Alex

    What revision of this motherboard do you sell?

    Answer by shaund on Thursday, May 28, 2015
    Revision 4.1

    Question  version by hassan

    do you have rev 4.1 in stock?

    Answer by shaund on Friday, May 22, 2015

    Question  audio by renatodelorenzo

    Does this motherboard have decent audio system? Or requires a audio card?

    Answer by samuelm on Sunday, February 22, 2015
    It has on-board audio.
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