Asus Motherboard PRIME B550M-A AM4 4DDR4 DVI-D/HDMI M.2 mATX

AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, 1GbE, HDMI/D-Sub/DVI, SATA 6Gb/s, USB 3.2 Gen 2 Type-A and connector support Aura Sync RGB

• AMD AM4 Socket: Compatible with 3rd generation AMD Ryzen processors
• Advanced cooling system: VRM heatsink, PCH heatsink and Fan Xpert 2+
• Ultra-fast connections: dual M.2, PCIe 4.0, 1GbE, USB 3.2 Gen 2 Type-A
• Aura Sync RGB: Integrated Gen 2 addressable header for RGB LED strips, easy sync with Aura Sync enabled devices

ASUS Prime Series motherboards are expertly engineered to unleash the full potential of 3rd Gen AMD Ryzen processors. With a solid power design, extensive cooling options, and smart tuning options, the Prime B550 Series motherboards provide daily PC users and builders with a host of customization options through intuitive software and firmware features.

Customize your system

A rich set of control options is the foundation of all ASUS Prime series motherboards. Prime B550 offers comprehensive tools to fine-tune every aspect of your system, allowing you to fine-tune the performance settings to perfectly suit the way you work - maximizing your productivity.

UEFI BIOS

The enhanced ASUS UEFI BIOS gives you everything you need to set up, customize and tune your system. It offers intelligently simplified options for people building a computer system for the first time, as well as advanced features for seasoned veterans.

Cooling to the core

Prime B550 series motherboards feature multiple integrated heatsinks and a set of hybrid fan headers to ensure your system stays cool and stable under heavy loads.

VRM heatsink and thermal pads

The VRM heatsink with the thermal pad underneath it increases the heat dissipation efficiency of the MOSFETs and chokes for better cooling performance.

Build the system on a solid foundation

Prime B550 offers all the essential features to accelerate your everyday productivity, keeping your system ready for action with consistent power, intuitive cooling controls, and flexible data transfer options.

PCIe 4.0 M.2 (Max 64Gbps)

Speed up with the built-in M.2 slot

The M.2 PCIe 4.0 slot is compatible with drives up to 22110 format and supports RAID configured with NVMe SSDs - for an amazing performance boost. RAID drives with up to PCIe 4.0 bandwidth to enjoy the fastest data transfer speeds on the 3rd Gen AMD Ryzen platform.

USB 3.2 Gen 2 Type-A

The availability of multiple USB sockets allows you to create a high-end system packed to the brim with various peripherals. These also include 2 USB Type-A ports on the rear panel along with fast connectivity via USB 3.2 Gen 2 when used with a compatible case.

Small details make a big difference

The Prime B550 series adds refined details that enhance the user experience in every aspect, from the exclusive codec that guarantees crystal-clear sound of the highest quality, to the intuitive RGB lighting control with which you can personalize your system and give it a unique character.

Perfect sound

All the integrated features together guarantee a great sound

Smart design and premium hardware components combine to deliver sound quality you've never experienced before.

Audio zone shielding

It separates the analog and digital signal zones, significantly reducing multilateral interference.

Separate zones for the left and right channels

They guarantee that crosstalk between audio paths will be minimal.

Premium grade capacitors made in Japan

The high-quality components used ensure intense timbre and exceptional sound fidelity.

Aura Sync Outshine the Competition

A perfectly tuned enthusiast system deserves an aesthetic to match. ASUS Aura gives you complete RGB lighting control with a range of practical presets to control the motherboard's integrated RGB LED lights, as well as strips and devices connected to the onboard RGB headers. All of this can be easily synchronized with Aura-enabled equipment, the range of which is constantly growing.

Gen 2 addressable RGB header

The Gen 2 Addressable RGB header can now detect the number of LEDs on Gen 2 addressable RGB devices, allowing the software to automatically match the lighting effects to the device's lighting. New the socket also offers backward compatibility with already available Aura RGB devices.

Armory Crate

Armory Crate is a new software utility designed to give you centralized control of your supported products through a single, intuitive interface. Armory Crate also allows you to control ASUS product settings, including keyboard and mouse settings. The software even offers a special product registration function and an overview of the latest developments and events, so you'll always be in touch with the ASUS community.