Overview

Gigabyte B550 Eagle ATX Motherboard for AMD Ryzen
The Gigabyte B550 Eagle is an ATX motherboard built around the AMD B550 chipset and designed to unlock the full potential of AMD Ryzen processors on the AM4 socket. Created for gamers, creators, and PC enthusiasts, it balances stable power delivery, high speed storage, and modern connectivity in a durable and DIY friendly platform.

Description

The Gigabyte B550 Eagle delivers dependable performance for AMD Ryzen 3000, 4000 G-Series, and 5000 Series processors with support for PCIe 4.0 graphics, dual M.2 storage, and up to 128GB of DDR4 memory. Its digital VRM design ensures steady power for multitasking and overclocking, while advanced thermal solutions keep temperatures under control during demanding workloads. With USB Type-C, high speed LAN, immersive audio, and reinforced PCIe slots, this ATX motherboard is a strong foundation for gaming PCs and productivity builds alike.

Features

Built for AMD Ryzen Performance
Powered by the AMD B550 chipset, this motherboard supports a wide range of AMD Socket AM4 processors, including:

• AMD Ryzen 5000 Series and 5000 G-Series processors
• AMD Ryzen 4000 G-Series processors
• AMD Ryzen 3000 Series and 3000 G-Series processors

The board features a 10 plus 3 phase digital VRM design with a parallel 5 plus 5 configuration, delivering consistent power to multi-core CPUs. This design helps maintain system stability under load, whether you are gaming, streaming, or running intensive applications.

A 4 layer PCB and premium chokes and capacitors further enhance durability and electrical stability, making it suitable for long gaming sessions and demanding creative tasks.

Memory Support and DDR4 Speed
With four DDR4 DIMM slots, the B550 Eagle supports up to 128GB of system memory in dual channel mode. It is compatible with DDR4 modules running at standard speeds such as 3200, 2933, 2667, 2400, and 2133 MT/s, and can reach overclocked speeds up to 4733 MT/s depending on CPU and memory configuration.

Memory highlights include:

• Dual channel DDR4 architecture
• Support for ECC and non-ECC unbuffered DIMMs
• Extreme Memory Profile support for easy performance tuning

This flexible memory support makes it ideal for gaming rigs, workstation builds, and content creation systems that demand high bandwidth.

PCIe 4.0 and Expansion Options
For graphics and expansion, the motherboard includes:

• 1 x PCIe 4.0 x16 slot (with supported Ryzen 5000 and 3000 CPUs)
• 4 x PCIe 3.0 x1 slots for additional expansion cards

The reinforced PCIe UD Slot design adds stainless steel shielding to provide extra strength for heavy graphics cards. This helps reduce signal degradation and improves long term durability.

Whether you are installing a high performance GPU or additional capture and network cards, the layout supports flexible system upgrades.

Fast Storage with Dual M.2 and SATA
The Gigabyte B550 Eagle offers versatile storage options for modern SSD setups:

• 1 x M.2 slot connected to the CPU supporting PCIe 4.0 or 3.0 NVMe SSDs (depending on processor)
• 1 x M.2 slot via the chipset supporting PCIe 3.0 NVMe SSDs
• 4 x SATA 6Gb/s connectors

It also supports RAID 0, RAID 1, and RAID 10 for both NVMe and SATA storage devices, giving users the option to optimize for speed, redundancy, or a balance of both.

Advanced Cooling and Smart Fan Control
Thermal performance is enhanced by full metal heatsinks and a high quality thermal pad rated at 5 W/mK. The enlarged VRM heatsinks help maintain stable temperatures during extended gaming or rendering sessions.

Smart Fan 6 technology allows detailed control over cooling performance, including:

• Multiple temperature sensors
• Fan speed detection and control
• Water cooling flow rate detection
• Fan fail warnings

This ensures a cool and quiet system tailored to your build requirements.

Comprehensive Connectivity
The B550 Eagle provides modern connectivity for peripherals and networking:

Back panel connectivity includes:

• 1 x HDMI port supporting up to 4096 x 2160 at 60 Hz
• 1 x USB 3.2 Gen 2 Type-A or USB 3.2 Gen 1 port (depending on CPU)
• 1 x USB Type-C port with USB 3.2 Gen 1 support
• 2 x USB 3.2 Gen 1 ports
• 4 x USB 2.0 ports
• 1 x RJ-45 Realtek GbE LAN port
• 3 x audio jacks
• 1 x Q-Flash Plus button

Internal headers provide additional USB 3.2 Gen 1, USB 2.0, USB Type-C, RGB LED, addressable LED, TPM, and multiple fan connections, offering excellent flexibility for custom PC cases and lighting setups.

High Definition Audio and LAN
The integrated Realtek audio codec supports high definition 2, 4, 5.1, and 7.1 channel audio. With high end audio capacitors and noise guard design, it delivers clean sound for gaming headsets and speaker systems.

Networking is handled by a Realtek Gigabit LAN chip, ensuring reliable wired internet performance for online gaming, streaming, and large file transfers.

DIY Friendly Design
Building with the Gigabyte B550 Eagle is straightforward thanks to thoughtful design elements such as:

• PCIe EZ-Latch for easier graphics card removal
• Q-Flash Plus for BIOS updates without installing CPU, memory, or GPU
• Clearly labeled headers and accessible layout
• Solid pin UD power connectors for improved conductivity and durability

These details make it suitable for both first time PC builders and experienced enthusiasts.

Software and OS Compatibility
The motherboard supports Windows 11 64-bit and Windows 10 64-bit. It includes access to Gigabyte utilities such as BIOS management, system monitoring, RGB lighting control, and performance tuning tools through the APP Center.

With its ATX form factor measuring 30.5 cm by 24.4 cm, the Gigabyte B550 Eagle fits a wide range of mid tower and full tower PC cases, making it a versatile foundation for modern AMD gaming and productivity systems.

Specifications

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Specifications
Product Code	GA-B550-EAGLE
CPU	AMD Socket AM4, support for:
	AMD Ryzen 5000 G-Series Processors/
	AMD Ryzen 5000 Series Processors/
	AMD Ryzen 4000 G-Series Processors/
	AMD Ryzen 3000 G-Series Processors/
	AMD Ryzen 3000 Series Processors
Chipset	AMD B550
Memory	4 x DDR4 DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity) of system memory
	Support for DDR4 3200/2933/2667/2400/2133 MT/s memory modules
	Dual channel memory architecture
	Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules
	Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
	Support for Extreme Memory Profile (XMP) memory modules
	(The CPU and memory configuration may affect the supported memory types, data rate (speed), and number of DRAM modules, please refer to "Memory Support List" on GIGABYTE's website for more information.)
Onboard Graphics	Integrated Graphics Processor with AMD Radeon Graphics support:
	- 1 x HDMI port, supporting a maximum resolution of 4096x2160@60 Hz
	* Support for HDMI 2.1 version, HDCP 2.3, and HDR.
	** Support for native HDMI 2.1 TMDS compatible ports.
	(Graphics specifications may vary depending on CPU support.)
	Maximum shared memory of 16 GB
Audio	Realtek Audio CODEC
	High Definition Audio
	2/4/5.1/7.1-channel
	* You can change the functionality of an audio jack using the audio software. To configure 7.1-channel audio, access the audio software for audio settings.
LAN	Realtek GbE LAN chip (1 Gbps/100 Gbps/10 Mbps)
Expansion Slots	1 x PCI Express x16 slot (PCIEX16), integrated in the CPU:
	- AMD Ryzen 5000/3000 Series Processors support PCIe 4.0 x16 mode
	- AMD Ryzen 5000 G/4000 G/3000 G Series Processors support PCIe 3.0x16 mode
	* The PCIEX16 slot can only support a graphics card or an NVMe SSD. If only one graphics card is to be installed, be sure to install it in the PCIEX16 slot.
	Chipset:
	- 4 x PCI Express x16 slots, supporting PCIe 3.0 and running at x1(PCIEX1_1, PCIEX1_2, PCIEX1_3, PCIEX1_4)
Storage Interface	1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 22110/2280 SSDs:
	- AMD Ryzen 5000/3000 Series Processors support SATA and PCIe 4.0x4/x2 SSDs
	- AMD Ryzen 5000 G/4000 G/3000 G Series Processors support SATA and PCIe 3.0 x4/x2 SSDs
	1 x M.2 connector (M2B_SB), integrated in the Chipset, supporting Socket 3, M key, type 22110/2280 PCIe 3.0 x4/x2 SSDs
	4 x SATA 6Gb/s connectors
	RAID 0, RAID 1, and RAID 10 support for NVMe SSD storage devices
	RAID 0, RAID 1, and RAID 10 support for SATA storage devices
USB	CPU:
	- AMD Ryzen 5000/3000 Series Processors support one USB 3.2 Gen 2 Type-A port (red) on the back panel
	- AMD Ryzen 5000 G/4000 G/3000 G-Series Processors support one USB 3.2 Gen 1 port (red) on the back panel
	- 1 x USB Type-C port on the back panel, with USB 3.2 Gen 1 support
	- 2 x USB 3.2 Gen 1 ports on the back panel
	Chipset:
	- 1 x USB Type-C port with USB 3.2 Gen 1 support, available through the internal USB header
	- 2 x USB 3.2 Gen 1 ports available through the internal USB header
	- 4 x USB 2.0/1.1 ports available through the internal USB headers
	Chipset+USB 2.0 Hub:
	- 4 x USB 2.0/1.1 ports on the back panel
Internal I/O Connectors	1 x 24-pin ATX main power connector
	1 x 8-pin ATX 12V power connector
	1 x CPU fan header
	1 x CPU fan/water cooling pump header
	3 x system fan headers
	2 x addressable LED strip headers
	2 x RGB LED strip headers
	1 x CPU cooler LED strip/RGB LED strip header
	2 x M.2 Socket 3 connectors
	4 x SATA 6Gb/s connectors
	1 x front panel header
	1 x front panel audio header
	1 x USB Type-C header, with USB 3.2 Gen 1 support
	1 x USB 3.2 Gen 1 header
	2 x USB 2.0/1.1 headers
	1 x Trusted Platform Module (TPM) header (2x6 pin, for the GC-TPM2.0_S module only)
	1 x Clear CMOS jumper
Back Panel Connectors	4 x USB 2.0/1.1 ports
	1 x HDMI port (Note)
	1 x USB 3.2 Gen 2 Type-A (Note)/USB 3.2 Gen 1 port (red)
	1 x USB Type-C port, with USB 3.2 Gen 1 support
	1 x Q-Flash Plus button
	1 x RJ-45 port
	2 x USB 3.2 Gen 1 ports
	3 x audio jacks
	(Note) Actual support may vary by CPU.
I/O Controller	iTE I/O Controller Chip
H/W Monitoring	Voltage detection
	Temperature detection
	Fan speed detection
	Water cooling flow rate detection
	Fan fail warning
	Fan speed control
	* Whether the fan speed control function is supported will depend on the fan you install.
BIOS	1 x 128 Mbit flash
	Use of licensed AMI UEFI BIOS
	PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0
Unique Features	Support for APP Center
	* Available applications in APP Center may vary by motherboard model. Supported functions of each application may also vary depending on motherboard specifications.
	- @BIOS
	- EasyTune
	- RGB Fusion
	- Smart Backup
	- System Information Viewer
	Support for Q-Flash Plus
	Support for Q-Flash
Bundled Software	Norton Internet Security (OEM version)
	LAN bandwidth management software
Operating System	Support for Windows 11 64-bit
	Support for Windows 10 64-bit
Form Factor	ATX Form Factor , 30.5cm x 24.4cm