AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, HDMI/D-Sub/DVI,...AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gbps, USB 3.2 Gen 2 Type-A. Supports AMD AM4 socket for Ryzen 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors. Features comprehensive cooling with PCH heatsink and Fan Xpert 2+. Ultrafast connectivity includes dual M.2, PCIe 4.0, 1 Gb Ethernet, and USB 3.2 Gen 2 Type-A. Includes 5X Protection III for all-around system protection.
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Product Information
Full details
This guide is for users looking to understand and utilize the ASUS PRIME B550M-K motherboard. It offers a compact, yet powerful solution for building a PC with AMD Ryzen 3000 series processors, providing essential features like dual M.2 slots, PCIe 4.0 support, and comprehensive cooling. Note that this motherboard is of the micro ATX form factor, so it is designed for smaller PC cases. It offers a solid foundation for daily use and gaming.
All features
Model Part Number
90MB14V0-M0EAY0
Brand
ASUS
Extended Product Information
FAQs
What kind of CPU does this motherboard support?
The ASUS PRIME B550M-K supports AMD Ryzen 3000 Series processors.
What type of memory does it use?
It uses DDR4-SDRAM memory.
How many M.2 slots are available?
There are two M.2 slots.
Does this motherboard support PCIe 4.0?
Yes, it does support PCIe 4.0 for faster performance with compatible devices.
Does it have built-in Wi-Fi?
No, it does not have built-in Wi-Fi. You would need to use a separate adapter if you require wireless connectivity.
What form factor is this motherboard?
It is a micro ATX form factor.
How do I update the BIOS?
You can update the BIOS through the UEFI BIOS utility or using the ASUS EZ Flash utility. Download the latest BIOS file from the ASUS support website.
Troubleshooting
Computer won't boot.
Check the power supply connections, CPU installation, and memory modules. Ensure all components are properly seated. Try resetting the CMOS.
System runs slow.
Update the drivers, check for malware, and ensure the storage devices are not full. Consider upgrading to an SSD.
Network connection issues.
Verify the Ethernet cable connection, and install the latest LAN drivers.
No display.
Make sure the monitor cable is connected to the graphics card and not the motherboard. Ensure the graphics card is properly seated.
Pros and Cons
Pros
Compact micro ATX form factor ideal for smaller builds.
Supports fast storage with dual M.2 slots and PCIe 4.0.
Offers comprehensive cooling solutions for stable performance.
Provides fast data transfer with USB 3.2 Gen 2 Type-A ports.
Offers a good balance of features and price.
Cons
Limited expansion slots compared to ATX motherboards.
May require careful planning for component compatibility in smaller cases.
Lacks Wi-Fi, requiring a separate adapter if wireless connectivity is needed.
Fewer USB ports compared to some larger motherboards.
Setup, Compatibility & Care
Setup
Installation: Install the motherboard inside the PC case. Make sure to use standoffs to prevent short circuits.
CPU Installation: Install the AMD Ryzen 3000 series processor onto the AM4 socket.
Memory Installation: Insert DDR4-SDRAM memory modules into the appropriate DIMM slots. Refer to the motherboard manual for correct placement.
Storage Installation: Install M.2 SSDs and SATA drives.
Connect Peripherals: Connect the power supply, graphics card, and other peripherals.
BIOS Configuration: Enter the BIOS to configure settings, such as boot order and fan curves.
Compatibility
CPU: Compatible with AMD Ryzen 3000 Series processors.
Memory: Supports DDR4-SDRAM memory with speeds up to 4600 MHz (O.C.).
Storage: Supports M.2 and SATA drives.
Case: Compatible with micro ATX cases.
Care
Cleaning: Use a soft brush or compressed air to clean dust from the motherboard.
Handling: Always handle the motherboard with care, avoiding static electricity.
Updates: Keep the BIOS updated to ensure compatibility and stability.