Location: Home > Computers > Components > Motherboards > GIGABYTE GA-990FXA-UD5 ATX AMD Motherboard


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$179.99 CAD Buy Now

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BIOS CHIP:GIGABYTE GA-990FXA-UD5 (Rev 1.x, Rev 3.0, Rev 3.1) BIOS CHIP:GIGABYTE GA-990FXA-UD5 (Rev 1.x, Rev 3.0, Rev 3.1) $19.66 CAD Shop Now
4GB (2x2GB) Memory RAM 4 Giga-Byte GA-990FXA-UD5 Motherboard 4GB (2x2GB) Memory RAM 4 Giga-Byte GA-990FXA-UD5 Motherboard $30.53 CAD Shop Now
8GB (2x4GB) Memory RAM 4 Giga-Byte GA-990FXA-UD5 Motherboard 8GB (2x4GB) Memory RAM 4 Giga-Byte GA-990FXA-UD5 Motherboard $73.79 CAD Shop Now
GIGABYTE GA-990FXA-UD5 AM3+ Socket Revision 3 Not 5. As on box. GIGABYTE GA-990FXA-UD5 AM3+ Socket Revision 3 Not 5. As on box. $85.07 CAD Shop Now
16GB (2x8GB) Memory RAM 4 Giga-Byte GA-990FXA-UD5 Motherboard A63 16GB (2x8GB) Memory RAM 4 Giga-Byte GA-990FXA-UD5 Motherboard A63 $155.21 CAD Shop Now

Product Reviews

Very Good
Below Average
Rating: 9/10
With 4 User Reviews

Review Date: 11/14/13
Cons: only two usb 3.0 port

Pros: Good price, a lot of PCIe
Was for an btc minig rig. Needed a lot of pcie slot and a low cost setup. I bough a cheap AMD CPU for 50$ and this board.Was able to run 6 HD7950 without problem.

Review Date: 05/22/13
Cons: - BIOS feels old and clunky

Pros: - Great for 24/7 operation- 8+2 Power Phase is more than enough for an AMD FX 8350 b 4.5GHz- Good amount of PCIe slots in order to install a Tri-Fire Graphics array
I've built two systems using this board. Both of them also pair this board with an AMD FX 8350. I haven't had any problems with the boards thus far and am quite happy with the purchases.

Review Date: 10/26/11
Cons: -Poor design on North Bridge heat sink, unable to use a PCI-E soundcard or PCI-E/SDD.-No usb3 cable adapter-poor locations for front audio & firewire interface -Price at over $217 with tax-Integrated soundcard not great -Provides SLI bridges but not Crossfire bridges

Pros: -Black PCB(color of Mobo)-Supports up to 3 way SLI/Crossfire-Looks nice
Not happy with the choice I made, was planning on adding a PCI-E sound card but that is impossible unless I remove/replace the North Bridge heat sink stock. Gigabyte should have used the same concept as their GA-990FXA-UD3 N-Bridge heat sink design in which it would saved/able to use the PCI-E slot. Should have provided an USB3 adapter if you have a usb3 interface on your mobo. Why have the front audio & front firewire interface all the way back at the bottom if most/some case don't provide long enough cables to reach them. This motherboard should only be considered if you plan on not installing a soundcard & plan to do 3 way SLI/Crossfire setup.

Review Date: 07/13/11
Cons: none so far

Pros: great layout! Very stable in overclocking
This is not my first gigabyte board and as always those motherboard are highly overclockable. I'm running it 20% - 25% faster bus speed!

Product Features

ATX Form Factor 990FX Chipset
SATA III 6Gbps RAID Capable
SLI/CrossFire-X Ready 7.1 Channel Audio
USB 3.0 Gigabit LAN

GIGABYTE GA-990FXA-UD5 AMD 9 Series Motherboard
The GIGABYTE GA-990FXA-UD5 AMD 9 Series 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, the GIGABYTE GA-990FXA-UD5 AMD 9 Series Motherboard 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, the GIGABYTE GA-990FXA-UD5 AMD 9 Series Motherboard 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 GIGABYTE GA-990FXA-UD5 AMD 9 Series Motherboard introduces 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.

What It Is And Why You Need It:

  • Supports newest AMD AM3+ FX/AM3 Phenom II series processors
  • Advanced 8+2 phase CPU VRM power design for AMD high-TDP CPU support
  • 5 PCI-E 2.0 interfaces for 3way AMD CrossFireX and SLI multi-graphics support
  • AMD SB950 provides 6 native SATA3 ports with superfast 6Gbps link speed and RAID 0, 1, 5, 10 support
  • Supports USB 3.0 with superfast transfer rates of up to 5 Gbps
  • GIGABYTE 3x USB Power with On/Off Charge USB ports
  • Ultra Durable 3 Technology with copper cooled quality for lower working temperature
  • Turbo XHD technology accelerating hard drive performance with ease
  • Revolution energy saving design with Easy Energy Saver technology
  • Hi-def 108dB Signal-to-noise ratio Blu-ray DVD audio playback
  • Patented DualBIOS with Hybrid EFI technology for 3TB HDD support
  • Supports Dolby Home Theater audio

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.

Multi-display support with 3 way SLI™ and 3 way CrossFireX

Flexible graphics capabilities - Up to 3 VGA cards are supported for either 3 way CrossFireX™ or 3 way SLI™ action (running at two x16 bandwidth or three x8 bandwidth), delivering the ultimate in graphics performance for gaming enthusiasts who demand the highest frame rates without compromising on resolution.

Note: Please update the latest version of BIOS from GIGABYTE website and VGA driver from vendor's website.

A Closer Look:


  • 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.
  • To support a DDR3 1866 MHz (and above) memory, you must install an AMD AM3+ CPU first.
  • 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.
  • The PCIEX8 slot shares bandwidth with the PCIEX16_2 slot. When PCIEX8 is populated with a PCI Express expansion card, the PCIEX16_2 slot will operate at up to x8 mode.
  • Whether the CPU/system fan speed control function is supported will depend on the CPU/system cooler you install.
  • Available functions in EasyTune may differ by motherboard model.

Product Specifications

Model GA-990FXA-UD5
Supported CPU
CPU Socket Type AM3+
CPU Type FX / Phenom II / Athlon II / Sempron 100 Series
FSB 2600MHz Hyper Transport (5200 MT/s)
North Bridge AMD 990FX
South Bridge AMD SB950
Number of Memory Slots 4240pin
Memory Standard DDR3 2000(O.C.)/1866/1600/1333/1066
Maximum Memory Supported 32GB
Channel Supported Dual Channel
Expansion Slots
PCI Express 2.0 x16 5 (x16, x16, x8, x4, x4)
PCI Express x1 1
PCI Slots 1
Storage Devices
SATA 6Gb/s 8 x SATA 6Gb/s
SATA RAID 6 x SATA 6Gb/s connectors (SATA3_0~SATA3_5) support RAID 0, 1, 5, 10 and JBOD
2 x SATA 6Gb/s connectors (GSATA3_6, GSATA3_7) and 2 x eSATA 6Gb/s support RAID 0, 1
Onboard Video
Onboard Video Chipset None
Onboard Audio
Audio Chipset Realtek ALC889
Audio Channels 8 Channels
Onboard LAN
LAN Chipset Realtek 8111E
Max LAN Speed 10/100/1000Mbps
Rear Panel Ports
PS/2 1 x PS/2 keyboard/mouse port
USB 1.1/2.0 8 x USB 2.0
USB 3.0 2 x USB 3.0
IEEE 1394 1 x IEEE 1394
eSATA 2 x eSATA 6Gb/s
S/PDIF Out 1 x Optical
Audio Ports 6 Ports
Onboard USB
Onboard USB 2 x USB 3.0 + 6 x USB 2.0
Onboard 1394
Onboard 1394 1 x 1394a
Physical Spec
Form Factor ATX
Dimensions 12.0" x 9.6"
Power Pin 24 Pin
Features Get Ready for New Generation of 32nm AMD AM3+ CPU

Driver MOSFETs - Integration of VRM Components

Multi-display Support with 3-way SLI and 3-way CrossFireX

AMD OverDrive Support

108dB Signal-to-Noise ratio playback

DualBIOS 3TB+ HDD Support (Hybrid EFI Technology)

Turbo XHD- Full Automatic RAID 0/Stripe

GIGABYTE innovative technology- Easy Energy Saver
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