The Gigabyte B550M K Motherboard supports AMD Ryzen 5000 Series/Ryzen 5000 G-Series/Ryzen 4000 G-Series and Ryzen 3000 Series processors, features 4 x DDR4 slots, PCIe 4.0, PCIe 3.0, 2 x M.2 slots (1 x CPU and 1 x Chipset), 4 x SATA 6GB/s ports, 6 x USB 2.0 (4 x back, 2 x internal USB header), 2 x USB 3.2 Gen1 (internal USB header), 4 x USB 3.2 Gen1 (back panel),1 x HDMI, 1 x PS/2 keyboard/mouse port, 1 x DisplayPort, 1 x RJ45, 3 x audio backs, Realtek GbE LAN chip, Realtek Audio CODEC.
Warning: This product contains a button battery
- If swallowed, a lithium battery can cause severe or fatal injuries within 2 hours.
- Keep batteries out of reach of children.
- If you think batteries may have been swallowed or placed inside any of the body, seek immediate medical attention.
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Features
B550M K (Rev. 1.0)
AMD B550 Ultra Durable Motherboard with Digital VRM Solution, PCIe 4.0 x16 Slot, Dual PCIe 4.0/3.0 M.2 Connectors, GbE LAN, Smart Fan 5 with FAN STOP
- Supports AMD Ryzen™ 5000 Series/ Ryzen™ 5000 G-Series/ Ryzen™ 4000 G-Series and Ryzen™ 3000 Series Processors
- Dual Channel ECC/ Non-ECC Unbuffered DDR4, 4 DIMMs
- Ultra Durable™ PCIe 4.0 Ready x16 Slot
- Dual Ultra-Fast NVMe PCIe 4.0/3.0 M.2 Connectors
- High Quality Audio Capacitors and Audio Noise Guard for Ultimate Audio Quality
- GbE LAN with Bandwidth Management
- Rear DisplayPort and HDMI for Multi-display Support
- Smart Fan 5 Features Multiple Temperature Sensors, Hybrid Fan Headers with FAN STOP
- Anti-Sulfur Resistors Design
Spec Overview
- Solid Pin Power Connector
- USB 2.0*4
- DisplayPort + HDMI
- USB 3.2 Gen 1* 4
- GbE LAN
- Ultra Durable PCIe Slot
PCIe® 4.0 Slot
Running 1 x16
- Audio Noise Guard
- High-End Audio Capacitors
- Dual Channel DDR4, 4 DIMMs
- Supports AMD Ryzen™ Processors
- Dual M.2 Connectors
2280 M.2
NVMe PCIe® 4.0/3.0 x4 & SATA Mode (from CPU)
1x PCIe 4.0® M.2 Slot
2280 M.2
NVMe PCIe 3.0 x2 (from Chipset)
- SATA3*4
- Smart Fan 5 + FAN STOP
3 Fan Connectors
5 Temperature Sensors
Performance
PCIe 4.0* Hardware Design
PCIe 4.0 Slot
PCIe 4.0 x16 slot with faster bandwidth and lower impedance.
M.2 PCIe 4.0 Slot
M.2 PCIe 4.0 x4 slot with Lower impedance.
Connectivity
Dual NVMe PCIe 4.0/3.0 M.2 Connector
With NVMe PCIe 4.0/3.0 x4 and PCIe 3.0 x2 M.2 connectors onboard, GIGABYTE Motherboards bring users to experience NVMe mode or SATA mode connectivity for M.2 SSD devices. Delivering up to 64 Gb/s data transfer speed, the dual M.2 connectors design provides an ideal storage solution while also supporting in RAID modes.
GbE LAN with Bandwidth Management
GbE LAN features a network bandwidth management application which helps to improve network latency and maintain low ping times to deliver better responsiveness in crowded LAN environments.
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.
Note: Only New Gen AMD Ryzen™ with Radeon™ Graphics processors support displaying function.
The Industry's Leading LAN Static-Electricity & Surge Protection
GIGABYTE motherboards use ICs with up to 3 times the ESD resistance levels compared to traditional ICs. This helps to better protect the motherboard and its components against potential damage caused by static electricity. GIGABYTE motherboards also feature special anti-surge ICs that protect your motherboard, and your PC from any surge in power delivery that may occur, helping to ensure that your PC is equipped to deal with any potentially irregular and inconsistent power delivery.
Cooling
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.
- 5 Temperature Sensors
- 2 Fan Pin Headers
- All Fan Pin Headers Upgraded to Hybrid Fan Headers
- Interoperable Fans and Sensors
- Intuitive UI for Fan Control
Fan Stop
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.
Intelligent Fan Control Design
- Lower Temperature - Fan Off
- High Temperature - Fan On
Hybrid Fan Pin Header
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.
- Closed Loop Watercooling
- CPU Fan
- System Fan
- Watercooling Pump
- Water Flow Sensor
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.
Audio
High-End Audio Capacitors
GIGABYTE motherboards use high-end audio capacitors. These high quality capacitors help deliver high resolution and high fidelity audio to provide the most realistic sound effects for gamers.
Audio Noise Guard
GIGABYTE motherboards feature an audio noise guard that essentially separates the board’s sensitive analogue audio components from potential noise pollution at the PCB level.
Ultra Durable
Gigabyte Ultra Durable design provides product durability and high-quality manufacturing process. Gigabyte motherboards use the best components and reinforce every slots to make each of them solid and durable.
Gigabyte Patented Double Locking Bracket
Solid Pin Power Connectors
B550 motherboards feature solid plated ATX 12V 8pin power connectors for offering stable power supply while CPU overloading.
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
Start Sulfurization Protection
Sulfur compounds in the air can penetrate tiny onboard resistors creating chemical change and causing these resistors to open or short. If either of these occurs the motherboard will fail to function. By equipping resistors with an Anti-Sulfur Design GIGABYTE gives Ultra Durable Motherboards a whole new meaning.
The Industry's Leading Surge Protection
GIGABYTE motherboards also feature special anti-surge IC that protect your motherboard, helping to ensure that your PC is equipped to deal with any potentially irregular electrical spikes.
Humidity Protection Glass Fabric PCB
There is nothing more harmful to the longevity of your PC than moisture, and most parts of the world experience moisture in the air as humidity at some point during the year. GIGABYTE motherboards have been designed to make sure that humidity is never an issue, incorporating a new Glass Fabric PCB technology that repels moisture caused by humid and damp conditions. Glass Fabric PCB technology uses a new PCB material which reduces the amount of space between the fibre weave, making it much more difficult for moisture to penetrate compared to traditional motherboard PCBs. This offers much better protection from short circuit and system malfunction caused by humid and damp conditions.
High Temperature Protection Lower RDS(on) MOSFETs Design
GIGABYTE motherboards use Low RDS(on) MOSFETs which reduce energy wastage through unnecessary residual heat dissipation. This all amounts to tangible energy savings which are beneficial for both end-users and the environment without impacting system performance.
Gigabyte Excellence
Gigabyte BIOS & Applications
BIOS
Refreshed BIOS
The BIOS is essential for users during initial setup to allow for the most optimal settings. With a new GUI and easier to use functionalities, GIGABYTE has been able to reinvent the BIOS to give users a better experience while setting up their new system.
App Center
GIGABYTE APP CENTER is an useful portal of all GIGABYTE MB utilities and drivers, you can choose any utility you want to install from APP CENTER and keep you updated with latest utilities and drivers version.
Easy Tune
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.
@BIOS
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.
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 behaviour; these are the possibilities of the System Information Viewer.
Backed by a 3 year Gigabyte warranty.
