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Gigabyte B550 Aorus Master Am4 Amd B550 Atx Motherboard With Triple M.2, Sata 6Gb/S, Usb 3.2 Gen 2, Wifi 6, 2.5 Gbe Lan, Pcie 4.0

Gigabyte B550 Aorus Master Am4 Amd B550 Atx Motherboard With Triple M.2, Sata 6Gb/S, Usb 3.2 Gen 2, Wifi 6, 2.5 Gbe Lan, Pcie 4.0


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        Description :

        • Support for Ryzen 5000 Series with BIOS UPDATE
        • Supports AMD Ryzen 5000 Series / 3rd Gen Ryzen and 3rd Gen Ryzen with Radeon Graphics Processors
        • Dual Channel ECC/Non-ECC Unbuffered DDR4, 4 DIMMs
        • Direct 16 Phases Digital VRM Solution with 70A Power Stage
        • Advanced Thermal Design with Fins-Array Heatsink, Direct Touch Heatpipe and Thermal Baseplate
        • Ultra Durable PCIe 4.0 Ready x16 Slot
        • Triple Ultra-Fast NVMe PCIe 4.0/3.0 x4 M.2 with Thermal Guards
        • Onboard Intel WiFi 6 802.11ax 2T2R & BT5 with AORUS Antenna
        • AMP-UP Audio with ALC1220-VB and WIMA Capacitors for Rear 120dB SNR
        • Blazing Fast 2.5GbE LAN with Bandwidth Management
        • USB 3.2 Gen2 Type-C & HDMI Support
        • RGB FUSION 2.0 with Multi-Zone Addressable LED Light Show Design
        • Supports Addressable LED & RGB LED Strips
        • Smart Fan 5 Features Multiple Temperature Sensors
        • Hybrid Fan Headers with FAN STOP and Noise Detection
        • Q-Flash Plus Update BIOS without Installing the CPU, Memory and GPU
        • Pre-installed IO Shield
        B550 AORUS MASTER motherboard



        a robot with aorus logo as his heart
        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.
        detail of the motherboard
        1. Intel Dual Band 802.11ac & BT 4.2
        2. HDMI
        3. Q-Flash Plus Button
        4. 2.5 GbE LAN
        5. Rear USB 3.2 Gen2 Type-C
        6. Advanced Thermal Design
          • Fins-Array Heatsink
          • Direct-Touch Heatpipe
          • 7.5 W/mK LAIRD Thermal Conductivity Pad
          • Pre-installed I/O Shield
          • Thermal Baseplate
        7. Audio Solutions
          • ALC1220-VB Audio
          • Nichicon Fine Gold Audio Capacitors
          • Audiophile Grade WIMA Capacitors
          • Gold Plated Audio Jacks
        8. Triple M.2 Connectors
          • 3X NVMe PCIe 4.0/3.0 x4 - Direct from CPU
          • 3X PCIe 4.0 M.2 Slots
          • 3X M.2 Thermal Guards
        1. Direct 16 Phases Digital VRM with Power Stage
          • 70A Power Stage
          • Premium Choke and Capacitor
          • 6 Layer PCB
          • PCIe 4.0 Ready Mid-Loss PCB
          • 2X Copper PCB
        2. Noise Detection
        3. Debug Port
        4. Solid Pin Power Connectors
          • 24 Pin ATX Power Connector
          • 8+4 pin CPU Power Connector
        5. Dual Channel DDR4, 4 DIMMs with Ultra Durable Memory Armor
          • DDR4 XMP Up to 5400MHz+
        6. Supports 3rd Gen AMD Ryzen Processors
        7. Smart Fan 5 + FAN STOP
          • 8 Fan / Water Pump Connectors
          • 7 Internal Temperature Sensors
          • 2 External Temperature Sensors
        8. DualBIOS with Q-Flash Plus
        9. Ultra Durable PCIe Armor
          • PCIe 4.0 Slot
          • Running 1*x16 or 1*x8 for dGPU
        10. RGB FUSION 2.0
          • Addressable LED Header*2
          • RGB LED Header*3
        amd ryzen of the motherboardultimate-power-design of the motherboard


        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.

        Digital Power Design of the motherboard

        16 Phases Digital Power Design

        B550 AORUS MASTER motherboard uses an pure digital CPU power design which includes a digital PWM Controller and a total 16 phases for Vcore and SOC, is capable of providing 70A from each phase and a total of 1,120A power design.
        With additional 8+4 Solid-pin CPU Power Connectors offer incredible precision and stability in delivering power to the motherboard's most power-hungry and energy-sensitive components, allowing enthusiasts to get the absolute maximum overclocking performance from 3rd Gen AMD Ryzen processors.

        • New Direct Multiphase Power Design
        • No Doubler / Not Parallel
        • Next-Gen Infineon PWM Controller
        • 70A Power Stages
        • The Lowest Voltage Ripple
        • The Highest Efficiency
        1. Infineon Digital PWM Controller
        2. 2Direct 16 Phases of Digital 70A Power Stages
        3. 3All-Solid Capacitor
        4. 48+4 Solid Pin CPU Power Connectors with Metal Shielding
        True Power Design

        Power Efficiency & Voltage Ripple Graph

        power-efficiency Design

        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.

        pcb2x-02, three pic to show detail of Copper PCB, Lower temperature icon, Better Overclocking icon, Better Power effciency icon, Lower Impedance icon


        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.

        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.

        mb_xmp, a chart of XMP profiles Support
        mb_xmp, DDR4 in motherboard as background
        detail of the XTREME MEMORY
        Shielded Memory Routing

        All memory routing is under the PCB inner layer shielded by a large ground layer to protect from external interference.

        Memory Layout - Daisy Chain Design

        With the optimized daisy-chain routing, the B550 AORUS motherboard provides a proven speed of up to DDR4-5400+ MHz with high density memory modules*. Optimized daisy-chained routing eliminates the stub effect, pushes the one DIMM per channel in dual channel interleaving mode to hit higher memory frequencies, providing professional gamers a denser and faster system memory experience.

        Memory Layout effect

        *Performance may vary in circumstances. Please refer to the QVL list for detail support information.

        faster speed icon, 32GB Capacity icon, Multi-Tasking icon, RAM Intensive icon, Quick Response icon, Lower Usage icon.
        Single 32GB Support

        With populated 2 DIMMs per channel on GIGABYTE B550 motherboards, the maximum memory capacity support is 128GB. For users who always run out of memory capacity, they are able to enjoy more bandwidth now for memory-intensive application such as rendering and video editing.

        detail of the PCIe design
        1. PCIe 4.0 Slot

          Reinforces PCIe 4.0 x16/x8 bandwidth with lower impedance.
        2. PCIe 4.0 Switches & Redrivers

          Switch PCIe 4.0 x16 bandwidth from CPU into PCIe 4.0 x8 for dGPU and 2*NVMe PCIe 4.0 x4 for M.2 SSD usage.
        3. 3X M.2 PCIe 4.0 Slot

          M.2 PCIe 4.0 x4 slot with Lower impedance.
        m2Slot, a compare of PCIe 4.0x4 M.2 with PCIe 3.0 x4 M.2

        Triple NVMe M.2 PCIe SSDs in RAID 0 Support

        Extreme Performance with PCIe 4.0 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 12490 MB/s (Sequential Read), making AORUS the obvious choice for the ultimate PC.

        detail of the PCIe 4.0 design of the motherboardm2Slot, a compare of M.2 and sata3 up to 6GB/s


        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.

        detail of the inside

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

        2.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.

        3.Thermal Baseplate
        With the thermal baseplate, it enhances the thermal dissipating capability and also gives user a strong foundation to build their Gaming PCs.

        4.LAIRD 7.5 W/mK Thermal Pad
        By using LAIRD 7.5 W/mK high thermal conductivity pads, it can transfer 4x more heat as compared to traditional thermal pads in same time.

        5.3X M.2 Thermal Guard
        Enlarged 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.

        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.

        AORUS M.2 Thermal Guard II

        Thermal Throttling As Temperature Rises

        M2ThermalGuard, a performance chart of cooler and hotter

        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.
        inside of the motherboard
        temperature sensors and hybrid fan headers icon
        • 8 Fan / Water Pump Connectors
        • 7 Temperature Sensors
        • 2 External Temperature Sensors
        • 1 Noise Detection Cable
        • All Hybrid Fan Headers
        • Interoperable Fans and Sensors
        • Supports High Current Fans up to 24W(2A x 12V) with Over-Current Protection
        • Intuitive UI for Fan Control
        Different models have a different number of fan pin headers and temperature sensors. Smart Fan 5 function may vary by model.

        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.
        example of the hybrid fan pin header and temperature sensor pin header
        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.
        two screenshots of system inofrmation viewer

        Noise Detection

        With the Smart Fan 5 software, users can choose different modes, from Quiet to Full Speed and to match their system usage preferences. For each fan or pump, users can use the intuitive fan curve to define trigger thresholds and corresponding fan speeds. New function of Noise Detection is added under Smart Fan 5 software, users can monitor noise level of all devices in system case which including CPU cooler, system fans, graphics card, etc. in real time, then users can determine and adjust how fast of each fan speed may need. The bundled Noise Detection Cable although doesn't include sound recording function, but it simply can detect sound pressure under privacy protection.
        screenshot of systemNoise-Detection
        mainsec04, one side of the motherboard


        A high-end product needs to be future-proof so your system stays up-to-date with the latest technology. B550 motherboards provide all next generation network, storage, and WIFI connectivity 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.
        mainsec04, one side of the motherboard

        New Introduce Intel WiFi 6 802.11ax + BT 5 Module

        Intel Wireless solution supports 802.11ax, enables gigabit wireless performance, provides smooth video streaming, better gaming experience, few dropped connections and speeds up to 2.4Gbps*. Moreover, Bluetooth 5 provides 4X range over BT 4.2 and with faster transmission.

        Benefit of WiFi 6:

        1. 5.5X throughput than 802.11ac 1x1*
        2. 4X better network capacity, no traffic jams especially in those dense area with lots of devices
        3. Network efficiency increase for better user experience
        a chart showing different between 2x2 802.11ax and othersdual wifi 6 ready icon
        detail of the wifi signal

        AORUS Antenna Supports Dual Band with Better WIFI Signal

        • All new antenna supported dual band 802.11ax/ac 2.4GHz & 5GHz.
          better signal strength compared to traditional antenna design
        • AORUS Antenna with smart antenna function for the best WIFI signal transmitting
        • Multiple angle tilt and magnetic base for the best signal strength direction and location
        USB Type-C

        Connecting the Future - USB Type-C

        MD'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.

        chart of USB 3.2 Gen 2 and USB 3.2 Gen 1

        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.

        chart of HDMI 2.1, HDMI 2.0 and HDMI 1.4
        HI-FI AUDIO SYSTEM of the motherboard


        For enthusiasts, sound quality is just as essential to the gaming experience. B550 motherboards are equipped with high quality audio components such as Hi-Fi grade WIMA FKP2 capacitors and Nichicon Fine Gold capacitors to provide a superb audio experience. The exclusive AORUS AMP-UP Audio technology makes for the ideal onboard sound solution for the most demanding audiophiles.
        hi-res-audio icon

        Hi-Res Audio

        Hi-Res Audio certified, meaning that the product is capable of reproducing frequencies up to 40kHz or above which ensures user with the best audio quality at all times.

        ALC1220-VB Immersive Gaming ViBes


        ALC1220 120dB(A) SNR HD Audio with Smart Headphone Amp automatically detects impedance of your head-worn audio device, preventing issues such as low volume and distortion.
        With the new VB series audio controller, stream your voice to the world vibrantly with both front/rear microphone SNR up to 110/114dB(A).
        mb_headphone with smart headphone ampVB_table of the motherboardALC1220-VB of the motherboard

        DTS :X Ultra

        Recreates an authentic, spatially accurate 3D audio experience for gaming over any headphones or speakers. Supports channel-based, scene based and object-based audio. Provides out-of-the-box calibration for a range of headphones and speakers. Provides post-processing enhancements and device level tuning for DTS codecs. DTS Sound Unbound* leverage Microsoft Spatial, enabling the the most believable, 3D audio experience for games. Immersion through DTS Headphone:X means in the sonic landscape, stationary and moving sounds can be heard from above, below or around the listener. Sounds pass around the listener with amazing externalization and accurate localization.

        B550 AORUS PRO AC motherboard


        B550 motherboards feature RGB FUSION 2.0 and offer the option to control onboard, external light strips, and/or AORUS devices with RGB/ Addressable RGB LEDs to make your PC unique and stylish.

        Multi-Zone Light Show Design

        Now offering more LED customizations than ever, users can truly adapt their PC to represent their lifestyle. With full RGB support and a redesigned RGB Fusion 2.0 application, the user has complete control over the LEDs which surround the motherboard.
        ledstrip01, cycle color icon, static icon, pulse icon, flash icon, double flash icon, music icon, random icon, game icon, digital A icon, digital B icon, digital C icon,  a pic of RGB LED and Digital Addressable LED
        RGB_Fusion, the components of computer together in a black background

        With an integrated intuitive user interface, the RGB Fusion 2.0 provides you a better solution for customizing the lighting effects across all supported devices. From motherboards, graphics cards to the peripheral products, you can personalize your gaming rig with your own style and show off your build by sharing the profiles. In addition, the new gaming mode makes the lighting effects interactive with selected games to bring you the most immersive gaming experience.

        rgbsoftware, RGB FUSION 2.0 ICON, two screenshots of RGB fusion 2.0

        GIGABYTE RGB Fusion APP

        Don't just make your PC shine, make it a work of art that friends will envy. With the GIGABYTE RGB Fusion mobile app users can watch as they control the lighting within their gaming PC. This gives users ease of access as they try and adjust colors and speeds for different modes, all this can be achieved away from the keyboard and monitor of their PC.

        screenshot of Fusion APP


        GIGABYTE is reputable for its product durability and high standard of manufactured process. Needless to say, we use the best, high quality components on B550 motherboards and reinforce each part of components to be solid and durable.

        Ultra Durable Memory Armor

        AORUS' exclusive one piece stainless steel shielding design prevents against PCB distortion/twisting and plate bending, in addition to preventing any possible ESD interference.

        one image splited into two, showing different between with gigabyte memory armor and without

        Ultra Durable PCIe Armor

        Industry Leading Ultra Durable PCIe Armor

        The innovative one piece stainless steel shielding design from GIGABYTE reinforces the PCIe connectors to provide the extra strength required to support heavy graphics cards.

        mb_exclusive, the detail of extra anchor points, a pic of different between 1.7X stronger and 3.2X stronger

        Solid Pin Power Connectors

        B550 AORUS motherboards feature solid plated ATX 24pin & ATX 12V 8pin + 4pin power connectors to offer a stable power supply during CPU overloading.

        solid pin design and traditiona design

        Solid Pin Power connector advantages

        • Larger contact area for electricity
        • More metal quantity to sustain higher power and generated heat
        • Ultra durable and longer lifespan
        detail of the ports on the motherboard
        q-flash-plus icon

        Q-Flash Plus

        Update the BIOS easily without installing the CPU, memory and graphics card.

        With GIGABYTE Q-Flash Plus, you don't need to install the CPU, memory and graphics card nor enter the BIOS menu to flash the BIOS. Just download and save a new BIOS file (rename to gigabyte.bin) on the USB flash drive, then press the dedicated Q-Flash Plus button and you're good to go!

        qflashstep2, three steps to show you how to use Q-flash plus.
        app center screenshot


        Good software goes hand in hand with perfect hardware. B550 motherboards bundled several useful and intuitive software to help users to control every aspect of motherboard.


        software_bios, a screenshot of bios

        New User Interface

        All new EASY MODE shows important hardware information in one page including CPU clock, Memory, Storage, Fan.

        My Favorites

        Add constantly used items into the favorite menu for quick access.

        Storage Information

        Show all kinds of storage information including SATA, PCIE and M.2 interface.


        List all changes before saving and exiting bios. Quickly review overall settings modification.

        Intuitive Load Line Curve

        Clearly show each loadline calibration setting in an intuitive curve graph.

        APP CENTER

        GIGABYTE APP CENTER is a useful portal of all GIGABYTE MB utilities and drivers, you can choose any utility you want to install from APP CENTER and keep updated with the latest utilities and drivers version.
        software_appcenter, a screenshot of APP center


        GIGABYTE's EasyTune is a simple and easy-to-use interface that allows users to fine-tune their system settings or adjust system and memory clocks and voltages in a Windows environment. With Smart Quick Boost, one click is all it takes to automatically overclock your system, giving an added performance boost when you need it the most.

        software_easytune, a screenshot of easytune


        The GIGABYTE @BIOS app allows you to update your system's BIOS from within Windows using a simple and slick graphical user interface. @BIOS can automatically download the latest version from the GIGABYTE servers or you can update your BIOS from a file on your computer. @BIOS also allows you to save your current BIOS to a file, recover your previous BIOS from an image and backup your BIOS to an image.
        a screenshot of bios information viewer

        System Information Viewer

        GIGABYTE System Information Viewer is a central location that gives you access to your current system status. Monitor components such as the clocks and processor, set your preferred fan speed profile, create alerts when temperatures get too high or record your system's behavior; these are the possibilities of the System Information Viewer.
        software_siv, a screenshot of system information viewer

        XSplit Gamecaster + Broadcaster: Cast Your Game Anytime, Anywhere

        Now set up your stage and share the greatest gaming moments with XSplit Gamecaster + Broadcaster! Fully optimized social media integration is ready for real-time chats—keeping you notified yet focused in the game. It takes just one click to stream your gameplay to Twitch. Host your game like a pro!

        * Free 1 year XSplit Gamecaster + Broadcaster Premium License.
        xsplit, three screenshots of XSplit gamecaster + broadcaster
        mb_wtfast, a grey background with WTFast

        Specifications :

        General Information

        Manufacturer GIGABYTE Technology, Inc
        Manufacturer Part Number B550 AORUS MASTER
        Manufacturer Website Address
        Brand Name Aorus
        Product Line Ultra Durable
        Product Model B550 AORUS MASTER
        Product Name Ultra Durable B550 AORUS MASTER (rev. 1.0) Desktop Motherboard
        Product Type Desktop Motherboard
        UPC 889523022603


        Chipset ManufacturerAMD

        Network & Communication

        Wireless LAN StandardIEEE 802.11 a/b/g/n/ac/ax


        Total Number of USB Ports12


        Package Contents
        • Ultra Durable B550 AORUS MASTER (rev. 1.0) Desktop Motherboard
        • Norton Internet Security (OEM version)
        • XSplit Gamecaster + Broadcaster (12 months license)
        • Realtek 8125 Gaming LAN Bandwidth Control Utility


        Limited Warranty3 Year

        Customer Reviews

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