Gigabyte
Gigabyte GA-990FXA-UD3 AM3+ AMD 990FX Motherboard
★★★★★
USB 2.0USB 3.0
Build Your Dream PC with This Feature-Rich MotherboardThe GIGABYTE GA-990FXA-UD3 Motherboard offers a robust foundation for your AMD-based system. With support for multiple GPUs and high-speed storage, it's perfect for gaming and content creation... Chipset: AMD 990FX / AMD SB950 CPU Soc...
$158.02*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
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Overview
Build Your Dream PC with This Feature-Rich Motherboard
The GIGABYTE GA-990FXA-UD3 Motherboard offers a robust foundation for your AMD-based system. With support for multiple GPUs and high-speed storage, it's perfect for gaming and content creation...
- Chipset: AMD 990FX / AMD SB950
- CPU Socket: AM3+ / AM3
- Memory: 4 x DDR3 DIMM (up to 32GB)
- Storage: 6 x SATA 6Gb/s (RAID 0, 1, 5, 10, JBOD), 2 x eSATA 6Gb/s (RAID 0, 1)
- Expansion Slots: 2 x PCI Express x16, 1 x PCI Express x4, 2 x PCI Express x1, 1 x PCI
- Audio: Realtek ALC889, 7.1-Channel
- LAN: Gigabit Ethernet
Key Features
CPU: AM3+/AM3/AMD Athlon II Chipsets: AMD 990FX/AMD SB950
Memory: 4 x 1.5V DDR3 DIMM sockets supporting up to 32 GB of system memory, Dual channel memory architecture, DDR3 2000(O.C.)/1866/1600/1333/1066 MHz memory modules
Audio: Realtek ALC889 codec , High Definition Audio, Dolby Home Theater, 2/4/5.1/7.1-channel, LAN: 10/100/1000 Mbit
Expansion Slots: 2 x PCI Express x16 slot running at x16 ,1x PCI Express x4 slots, 2 x PCI Express x1 slot, 1x PCI slots, Support for Support for 2-Way AMD CrossFireX and NVIDIA SLI technology
Storage Interface: 6 x SATA 6Gb/s connectors , Support for SATA RAID 0, RAID 1, RAID 5,RAID 10 and JBOD, 2 x eSATA 6Gb/s Support for RAID 0 and RAID 1
USB: Up to 14 USB 2.0/1.1 ports, Up to 4 USB 3.0/2.0 ports, Up to 2 IEEE 1394a ports
Internal I/O Connectors: 1 x 24-pin ATX main power connector,1 x 8-pin ATX 12V power connector,6 x SATA 6Gb/s connectors,1 x CPU fan header,2 x system fan headers,1 x power fan header,1 x front panel header,1 x front panel audio header,1 x S/PDIF Out header,3 x USB 2.0/1.1 headers,1 x USB 3.0/2.0 header,1 x IEEE 1394a header,1 x Trusted Platform Module (TPM) header,1 x serial port header,1 x clearing CMOS jumper,
Back Panel Connectors: 1 x PS/2 keyboard/mouse port,1 x optical S/PDIF Out connector,1 x IEEE 1394 port,8 x USB 2.0/1.1 ports,2 x USB 3.0/2.0 ports,2 x eSATA 6Gb/s connector,1 x RJ-45 port,6 x audio jacks,
Specifications
CPU Socket
AM3+/AM3
Chipset
AMD 990FX/AMD SB950
Memory Type
DDR3
Memory Capacity (Max)
32 GB
Memory Speed Support
2000(O.C.)/1866/1600/1333/1066 MHz
Audio Codec
Realtek ALC889
Audio Channels
2/4/5.1/7.1-channel
LAN Speed
10/100/1000 Mbit
PCIe x16 Slots
2 (running at x16)
SATA 6Gb/s Connectors
6
eSATA 6Gb/s Ports
2
USB 3.0/2.0 Ports (Total)
Up to 4
USB 2.0/1.1 Ports (Total)
Up to 14
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Check on Amazon →Pros & Cons
👍 Pros
- This motherboard supports a broad range of DDR3 memory modules including overclocked speeds up to 2000 MHz.
- Equipped with six SATA 6Gb/s connectors, it provides versatile storage options with RAID 0, 1, 5, 10, and JBOD support.
- Features two PCI Express x16 slots operating at x16, offering robust support for 2-Way AMD CrossFireX and NVIDIA SLI.
- Includes both USB 3.0 (up to 4 ports) and USB 2.0 (up to 14 ports) connectivity for modern and legacy peripherals.
- Integrated Realtek ALC889 codec delivers High Definition Audio with Dolby Home Theater supporting 7.1-channel sound.
👎 Cons
- The motherboard is designed for AM3+ and AM3 CPUs, which may not be compatible with the newest AMD processor generations.
- Maximum system memory is capped at 32 GB across four DIMM sockets, which might be a limitation for very high-end applications.
- The onboard LAN operates at 10/100/1000 Mbit, lacking faster 2.5GbE or 10GbE options found on more recent motherboards.
- Only two eSATA 6Gb/s ports are available on the back panel, potentially limiting external high-speed storage expansion.
- Expansion slots include older PCI slots, which may not be utilized by current generation hardware.
Frequently Asked Questions
What CPU types are compatible with the Gigabyte GA-990FXA-UD3 motherboard?
This motherboard is compatible with AM3+ and AM3 CPUs, specifically supporting AMD Athlon II processors.
How much RAM can this motherboard support?
The Gigabyte GA-990FXA-UD3 motherboard supports up to 32 GB of system memory across four 1.5V DDR3 DIMM sockets.
Does this motherboard support multiple graphics cards?
Yes, it supports both 2-Way AMD CrossFireX and NVIDIA SLI technology, utilizing its two PCI Express x16 slots.
What kind of audio capabilities does this motherboard offer?
It features the Realtek ALC889 codec, providing High Definition Audio with Dolby Home Theater, and supports 2/4/5.1/7.1-channel configurations.
Are there fast storage options available on this motherboard?
Yes, it includes six SATA 6Gb/s connectors with support for RAID 0, RAID 1, RAID 5, RAID 10, and JBOD, along with two eSATA 6Gb/s ports.
What USB versions are available for connectivity?
The motherboard provides up to 14 USB 2.0/1.1 ports and up to 4 USB 3.0/2.0 ports, offering a mix of high-speed and standard connectivity.
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