ASUS PRIME B550M-A PCIe 4.0 Micro-ATX Wi-Fi Motherboard

  • Chipset: B550
  • CPU Socket: AM4
  • Supported CPU: AMD 2nd & 3rd Generation Ryzen
  • Memory Slots: 2
  • PCIe Gen 4 X16 Slots: 1
  • Form Factor: Micro-ATX

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MPN: PRIME B550M-A (WI-FI) SKU: MB-ASUSB550M-PRIWIFI

GTIN: 04718017602563

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Description

Introducing the ASUS Prime B550M-A Wi-Fi motherboard. Perfect for everyday users who want the same stable performance in a smaller form factor. The ASUS PRIME B550M-A is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen processors. It is packed with features like PCIe 4.0, robust power design, USB 3.2 Gen2 Type-A Rear IO connectivity, ASUS AURA RGB Header, comprehensive cooling solutions and intelligent tuning options. The ASUS PRIME B550M-A PCIe 4.0 offers users and DIY PC builders a range of performance tuning options via intuitive software and firmware features. All this while taking up minimal space thanks to its micro-ATX form factor.

Specifications

  • Chipset: B550
  • CPU Socket: AM4
  • Supported CPU: AMD 2nd & 3rd Generation Ryzen
  • Memory Slots: 4
  • PCIe Gen 4 X16 Slots: 1
  • Form Factor: Micro-ATX
  • AMD AM4 socket: Ready for Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
  • Comprehensive cooling: VRM heatsink, PCH heatsink, and Fan Xpert 2+
  • Ultrafast connectivity: Dual M.2, PCIe 4.0, Intel® WiFi 6, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A
  • Aura Sync RGB: Onboard addressable Gen 2 header for RGB LED strips, easily synced with Aura Sync-capable hardware

About the ASUS PRIME B550M-A Wi-Fi Motherboard

ASUS PRIME B550M-A Promo Box View
ASUS DIGI+ VRM Image

Precise Digital Power Control

The Digi+ voltage-regulator module (VRM) delivers real-time control over voltage droop, automatically switching frequency and power-efficiency settings. It also allows you to fine-tune your CPU for ultimate stability and performance.

ASUS PRIME B550M-A VRM View

Cool to the Core

Prime B550 series is engineered with multiple onboard heatsinks and an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads.

A VRM heatsink with underneath thermal pad improves heat transfer from the MOSFETs and chokes for better cooling performance.

Prime B550 series features comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS.

Build on a Solid Foundation

Prime B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible transfer options.

ASUS PRIME B550M-A

 

PCIe 4.0 Onboard M.2

PCIe 4.0 M.2 Slot supports up to 22110 and provide NVMe SSD RAID support for an incredible performance boost. Create a RAID configuration with up to PCIe 4.0 storage device to enjoy the fastest data-transfer speeds on the 3rd Generation AMD Ryzen platform.

ASUS PRIME B550M-A Wi-Fi Poster

Intel WiFi 6 AX200

The Intel WiFi 6 AX200 module is compatible with the 802.11ax standard and pushes theoretical peak bandwidth up to an incredible 2.4 Gbps. Perhaps more importantly for power users, it’s optimized for more efficient operation on crowded networks with a lot of competing traffic. Pair your motherboard with ASUS WiFi 6 routers to fully experience the networking potential of WiFi 6.

Outstanding Audio

Intelligent design and premium hardware create audio quality unlike anything you’ve ever experienced.

Audio Shielding

Separates analog/digital signal domains, significantly reducing multi-lateral interference. 

Separate Layer for Left and Right Tracks

Ensures minimal crosstalk between audio paths. 

Premium Japanese Capacitors

Premium parts provide an immersive sound signature, with exceptional fidelity.

AMD Ryzen B550 PCIe 4.0 Poster

Aura Sync

A well-tuned enthusiast system deserves a matching aesthetic. ASUS Aura offers full RGB lighting control with a variety of functional presets for RGB LED strips connected to the onboard RGB headers. And it can all be synced with an ever-growing portfolio of Aura-capable hardware.

Addressable Gen 2 RGB Header

The addressable Gen 2 RGB header is now capable of detecting the number of LEDs on second-gen addressable RGB devices, allowing the software to automatically tailor lighting effects to specific devices. The new header also offers backward-compatibility with existing Aura RGB gear.

Product Specifications

Motherboard
Chipset

B550

Form Factor

Micro-ATX

Motherboard Height

244mm

Motherboard Width

244mm

Memory
Maximum memory

128GB

Max supported memory speeds

4800MHz

Memory slots

4

Supported memory types

DDR4

Audio
On-Board Audio

Realtek High Definition 2/4/5.1/7.1-channel

Networking
Bluetooth

Yes

Wi-Fi

802.11 a/b/g/n/ac, dual band (2.4GHz, 5GHz) up to 433 Mbps

On-Board LAN

Yes

LAN Ports

Realtek 8111H Gigabit LAN Controller (10 Mbit/100 Mbit/1 Gbit)

Expansion Slots
PCIe Gen 3.0 x16 Slots

1

PCIe Gen 3.0 x1 Slots

2

PCIe Gen 4.0 x16 Slots

1

Storage Interface
M.2 Sockets

2

SATA Ports

4

Internal I/O Connectors
Front Audio Panel Connector

Yes

On-Board USB2.0 Headers

2

On-Board USB3.0 Headers

2

RGB Headers

1 x aRGB

On-Board USB3.0 Type C Headers

2

Back Panel Connectors
Audio Jacks

6

HDMI Port

Yes

LAN Ports

Realtek 8111H Gigabit LAN Controller (10 Mbit/100 Mbit/1 Gbit)

USB 3 Ports

6

CPU
CPU Brand

AMD

CPU Socket

AM4

Supported CPU

AMD 2nd Generation Ryzen 3
AMD 2nd Generation Ryzen 5
AMD 2nd Generation Ryzen 7
AMD 2nd Generation Ryzen 9
AMD 3rd Generation Ryzen 5
AMD 3rd Generation Ryzen 7
AMD 3rd Generation Ryzen 9

On-Board Video

Yes (requires CPU with integrated graphics chip)

General Information
Weight

1.5 kg

Dimensions

29 × 28 × 8 cm