Gigabyte B550 AORUS PRO AC AMD ATX Motherboard with True 12+2 Phases, Dual PCIe 4.0/3.0 x4 M.2

Design Concept
Dominant in Darkness

In the dark, starless night, the falcon strikes fear into the heart of its prey. Even with minimal visibility, the falcon pinpoints its prey and patiently anticipates the perfect moment to swoop in for the kill. The falcon with its laser sharp gaze dominates the darkness of night in the same manner that AORUS Core Lighting illuminates the vast AORUS ecosystem.

PCIe 4.0 for everyone
The AMD 8550 chipset makes PCIe@ 4.0 possible for anyone who wants higher performance, bandwidth and speed. Ready for 3rd Gen AMD Ryzen'" processors and beyond.

AMD StoreMI Technology
GIGABYTE B550 motherboards maximize your PC's potential with AMD StoreMI technology. StoreMI accelerates traditional storage devices to reduce boot times and enhance the overall user experience. This easy-to-use utility combines the speed of SSDs with the high capacity of HDDs into a single drive, enhances the read/write speeds of the device to match that of SSDs, bolsters data performance for incredible value, and transforms the everyday PC to a performance driven system.

The benefits of AMD StoreMI:
• Making the PC experience fast, smooth and easy
• Optimizing computer responsiveness from system boot to application launch
• Offering SSD performance with HDD capacity at an affordable cost
• Quickly accessing key files by automatically learning users' computing behaviors

Ultimate Power Design
To fully support the latest 3rd Gen AMD Ryzen processors, B550 motherboards equip with the ultimate power solution which is true direct, digital and multiple phases. After countless experiments and testing, GIGABYTE presents the unbeatable B550 motherboards for enthusiast. No Compromise and never stop to achieve higher.

14 Phases
Digital Power Design

• Intersil Digital PWM Controller
• True 12+2 Phases of Digital PWM with 50A DrMOS
• All-Solid Capacitor
• 8pin Solid Pin CPU Power Connectors

True 12+2 Phases Digital Power Design
B550 AORUS PRO AC motherboard uses an True 12+2 phases digital power design which includes PWM controller, doublers and DrMOS. These 100% digital controller offer incredible precision in delivering power to the motherboard's most power-hungry and energy-sensitive components, allowing enthusiasts to get the absolute maximum performance from 3rd Gen AMD Ryzen processors.

• Digital PWM Controller delivers appropriate voltage to the CPU.
• True 12+2 Phases DrMOS with PWM Doublers design to deliver stable power to the CPU. With capability to handle up to 700 Amps current in a total.
• All-solid capacitors to improve Transient response and minimize oscillation.
• 24pin+8pin Solid Pin CPU Power Connectors.

Power Architecture

Power Efficiency

2X Copper PCB
GIGABYTE's exclusive 2X Copper PCBs design provides sufficient power trace paths between components to handle greater than normal power loads and to remove heat from the critical CPU power delivery area. This is essential to ensure the motherboard is able to handle the increased power loading that is necessary when overclocking.

Unparalleled Performance
GIGABYTE realize that customer won't stop chasing a better computing performance. We take care of it and implement on products. Protective and optimized memory trace enhance the performance. Faster read and write are needed to save time and improve efficiency. We offer plenty of M.2 storage with thermal guards to ensure unthrottled read and write. In advance, adopting PCIe 4.0 ready components get the B550 motherboards easier to upgrade.

XMP 5400+

Support for DDR4 XMP Up to 5400MHz and Beyond
AORUS is offering a tested and proven platform that ensures proper compatibility with profiles up to 5400MHz and beyond. All users need to do to attain this performance boost is to ensure that their memory module is XMP capable and that the XMP function is activated and enabled on their AORUS motherboard.

PCIe 4.0 Hardware Design

M.2 PCIe 4.0 Slot
M.2 PCIe 4.0 x4 slot with Lower impedance.

PCIe 4.0 Slot
PCIe 4.0 x16 slot with faster bandwidth and lower impedance.

PCIe 4.0 Ready PCB
Low signal loss PCB

2X M.2 PCIe 4.0/3.0

M.2 + M.2
Extreme sequential Read 6560 MB/s, Sequential Write 6669 MB/s speed

Dual NVMe M.2 PCIe SSDs in RAID 0 Support

Performance with PCIe 4.0 x4 + PCIe 3.0 x4 NVMe PCIe SSDs
B550 AORUS motherboards offer the industry's best compatibility in terms of NVMe storage for users who demand high capacity and seek the best performance. AORUS' unique design can be configured in RAID for record speeds of up to 6560 MB/s (Sequential Read), making AORUS the obvious choice for the ultimate PC.

Advanced Thermal Solution
Unthrottled performance is guaranteed by the advanced thermal solution which including Fins-Array Heatsink, Direct Touch Heatpipe and Thermal Guards. B550 AORUS motherboards are cool on MOSFETs and M.2 SSDs even on full loading. It provides lower temperatures for enthusiasts, overclockers and professional gamers.

Thermal Solution

Direct Touch Heatpipe
Heatpipe directly touches the heating source VRM components that guarantee good contact between VRM and heatsink.

Fins-Array Heatsink
Fins-Array Heatsink on both TMOS side and RMOS side uses the stacked-fins design which increasing the heat dissipation area by 300% as compared to traditional heatsinks of the same size and also providing at least 30% lower temperature on MOSFETs.

LAIRD 5 W/mK Thermal Pad
By using LAIRD 5 W/mK high thermal conductivity pads, it can transfer 4x more heat as compared to traditional thermal pads in same time.

2X M.2 Thermal Guard
Built-in M.2 thermal guard heatsink helps the high-speed, large capacity of PCIe 4.0/3.0 SSDs to prevent overheat throttling and performance bottlenecks.

Thermal Guard

AORUS M.2 Thermal Guard

GIGABYTE Ultra-Efficient M.2 Thermal Guard
With durability in mind, GIGABYTE provides a thermal solution for M.2 SSD devices. The M.2 Thermal Guard prevents throttling and bottlenecks from high speed M.2 SSDs as it helps to dissipate heat before it becomes an issue.

Smart Fan 5
With Smart Fan 5 users can ensure that their gaming PC can maintain its performance while staying cool. Smart Fan 5 allows users to interchange their fan headers to reflect different thermal sensors at different locations on the motherboard. Not only that, with Smart Fan 5 more hybrid fan headers that support both PWM and Voltage mode fans have been introduced to make the motherboard more liquid cooling friendly.

Hybrid Fan Pin Headers
Assume complete control over your liquid cooling setup! Smart Fan 5 receives up-to-the-second information on flow-rate and water-temperature through the Hybrid Fan Pin Headers or external thermistor sensors-giving you absolute mastery over your PC.

• All Hybrid Fan Headers can automatically detect the type of cooling device whether it be fan or pump with different PWM or Voltage mode.

Intelligent Fan Control Design
Achieve fan silence. With Fan Stop, map any fan to stop completely when temperatures drop below a specified threshold. Which fan stops, based on readings from which sensor, and at what temperature-all of it can be customized to your liking.

New Smart Fan 5 Software
Choose from different modes, Quiet to Full Speed, to match your system usage preferences. For each fan or pump, you can use the intuitive fan curve to define trigger thresholds and corresponding fan speeds.

Next Generation Connectivity
A high-end product needs to be future-proof so your system stays up-to-date with the latest technology. B550 AORUS motherboards provide all next generation network and storage to keep you up to speed.

2.5GbE LAN Onboard

2X Faster than ever
Adoption of 2.5G LAN provide up to 2.5 GbE network connectivity, with at least two times faster transfer speeds compared to general 1GbE networking. It's perfectly suit for gamers and streamer with ultimate and smooth online experience. It also backward compatible with Multi-Gig(10/100/1000/2500Mbps) RJ-45 ethernet.

Intel 802.11ac WiFi

Faster and Better Coverage with Dual Band 802.11ac WIFI + BT4.2 Module
The onboard 802.11ac WIFI module from Intel supports Dual Band and up to 433 Mbps, 3x faster WIFI speed than 802.11n and also support BLUETOOTH 4.2.

Connecting the Future - USB Type-C
AMD's native USB 3.2 Gen2 provides USB 3.2 Gen2 ports with speeds up to 10Gbps. With twice the bandwidth compared to its previous generation as well as backwards compatibility with USB 2.0 and USB 3.2 Gen1, the much improved USB 3.2 Gen2 protocol is available over the new reversible USB Type-C and the traditional USB Type-A connector for better compatibility over a wider range of devices.

HDMI 2.1 for 4K / 60P / 21:9 / HDCP 2.3 Support
HDMI 2.1, which is backwards compatible with HDMI 2.0/ 1.4 and offering 48 Gb/s of bandwidth - twice times more than previous generation. This unlocks the potential for users to transfer multiple video streams, as well as a native cinematic 21:9 ratio (which most movies are shot in), Full HDR and HDCP 2.3 support, to offer the best visual experience for viewers.

HI-FI Audio System
For enthusiasts, sound quality is just as essential to the gaming experience.