Motherboard Reviews

Gigabyte 990FXA-UD3 Rev 4.0 Motherboard Review: Old but Gold

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Gigabyte GA-990FXA-UD3 Rev 4.0If you stumbled upon this article you may be wondering why a review for a two-year old 990FX motherboard has been published in Q3 2014. There are a couple of reasons for that, part of which involves the fact that AMD has refreshed their AM3+ FX processor offerings a few weeks ago at much more affordable pricing so some AMD-centric builders have more options for building or upgrading. Secondly, this is the most recent revision of the 990FXA-UD3 at Revision 4 released last year so it is not THAT old. Technically, this is actually the 5th version of this motherboard and is the most drastically changed compared to previous 990FX-UD3’s  (rev 1.0, 1.1, 1.2, and 3.0) which only featured small changes between each revision but kept relatively the same PCB layout, VRM and heatsink design. Besides, there are no published reviews for this specific rev 4.0 motherboard that I can find so this is going to be the first. As the most affordable 990FX motherboard that officially supports AMD’s FX-9590 monster, it is certainly worth taking a look at.

Review Sample Provided by: Gigabyte
Product Name:
Gigabyte GA-990FX-UD3 Rev 4.0 Motherboard
MSRP: $119.99 USD
Product was given in exchange for work done to produce this review.

Gigabyte GA-990FXA-UD3 Rev 4.0 Box Front Gigabyte GA-990FXA-UD3 Rev 4.0 Box Rear

The packaging remains the same as the previous 990FXA-UD3 revisions but missing is the giant “2011 performance” award that used to be on the upper left hand for obvious reasons. What you should look for however is the revision number in the serial number sticker on the lower side corner. It should say Revision 4.0 there and also tell you the BIOS version installed. Accessories include two pairs of latching SATA cables (two angled, two straight), driver disc, manual, installation guidebook, a dual-SLI cable and a color coded IO shield.

Gigabyte GA-990FXA-UD3 Rev 4.0 Accessories

The full specifications is available below and relevant marketing information is available on the official product page:

  1. AMD AM3+ FX Processors
  2. AMD AM3 Phenom II processor/AMD Athlon II Processor

(Please refer “CPU Support List” for more information.)

Hyper Transport Bus
  1. 5200 MT/s
  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)
  4. Support for Extreme Memory Profile (XMP) memory modules

(Please refer “Memory Support List” for more information.)

  1. North Bridge: AMD 990FX
  2. South Bridge: AMD SB950
  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. Realtek® GbE LAN 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 x1 slots conform to PCI Express 2.0 standard.)
  4. 1 x PCI slot
Multi-Graphics Technology
  1. Support for 2-Way AMD CrossFire™/NVIDIA® SLI™ technology (PCIEX16_1 and PCIEX16_2)
Storage Interface
South Bridge:

  1. 6 x SATA 6Gb/s connectors (SATA3 0~5) supporting up to 6 SATA 6Gb/s devices
  2. Support for RAID 0, RAID 1, RAID 5, RAID 10, and JBOD

Marvell® 88SE9172 chip:

  1. 2 x eSATA 6Gb/s connectors on the back panel supporting up to 2 SATA 6Gb/s devices (Note 4)
  2. Support for RAID 0 and RAID 1

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

VIA® VL805 chip:

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

VIA® VT6308 chip:

  1. Up to 2 IEEE 1394a ports (1 port on the back panel, 1 port available through the internal IEEE 1394a headers)
Internal IO 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. 1 x USB 3.0/2.0 header
  11. 3 x USB 2.0/1.1 headers
  12. 1 x IEEE 1394a port
  13. 1 x serial port header
  14. 1 x Clear CMOS jumper
  15. 1 x Trusted Platform Module (TPM header)
Back Panel Connectors
  1. 1 x PS/2 keyboard/mouse port
  2. 1 x optical S/PDIF out connector
  3. 1 x IEEE 1394a port
  4. 2 x eSATA 6Gb/s connectors
  5. 8 x USB 2.0/1.1 ports
  6. 2 x USB 3.0/2.0 ports
  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, Mic In)
IO Controller
  1. iTE® I/O Controller Chip
HW Monitoring
  1. System voltage detection
  2. CPU/System temperature detection
  3. CPU/System/Power fan speed detection
  4. CPU overheating warning
  5. CPU/Power/System fan fail warning
  6. CPU/Power/System fan speed control (Note 5)
  1. 2 x 32Mbit flash
  2. Use of licensed AMI EFI BIOS
  3. Support for DualBIOS™
  4. PnP 1.0a, DMI 2.0, SM BIOS 2.6, ACPI 2.0a
Unique Features
  1. Support for @BIOS
  2. Support for Q-Flash
  3. Support for Xpress Install
  4. Support for EasyTune (Note 6)
  5. Support for ON/OFF Charge
  6. Support for Smart Recovery 2
Bundled Software
  1. Norton® Internet Security (OEM version)
Operating System
  1. Support for Windows 8/7/Vista/XP
Form Factor
  1. ATX Form Factor; 30.5cm x 24.4cm
  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. If drivers are available from the vendors, we will update them on the GIGABYTE website.

* 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.

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