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ASUS PRIME B550M-A WIFI II Micro ATX Motherboard (Socket AM4)

SKU Code: WCM-45455 MPN: 90MB19X0-M0EAY0 EAN: 4711081309741 Brand:
SKU Code: WCM-45455 MPN: 90MB19X0-M0EAY0 EAN: 4711081309741

Original price was: £118.26.Current price is: £113.99. Inc.VAT

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In stock

Features
  • Form Factor: Micro ATX
  • Socket: AMD AM4
  • Chipset: AMD B550
  • DDR Type: DDR4

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ASUS PRIME B550M-A WIFI II Micro-ATX Motherboard – AMD B550 Chipset, AM4 Socket, DDR4 Memory Support & Reliable PRIME Stability

Premium Performance for AMD Ryzen

The ASUS PRIME B550M-A WIFI II is expertly engineered to harness the full potential of AMD Ryzen 3000 and 5000 Series processors. Built on the AMD B550 chipset, this micro ATX motherboard provides a robust foundation for productivity and gaming by supporting PCIe 4.0 technology, which doubles the bandwidth for modern GPUs and NVMe SSDs. With its high-quality power delivery and stability, it ensures that your system remains responsive even under heavy multitasking or demanding creative workloads.

 

Advanced Cooling and Power Design

Effective thermal management is at the heart of this motherboard's design, featuring a dedicated VRM heatsink and high-quality thermal pads that improve heat transfer from MOSFETs and chokes. Users can take complete control over their system's acoustics and temperatures through the Fan Xpert 2+ software or the UEFI BIOS, which allows for granular adjustment of PWM and DC fans. Additionally, the Digi+ VRM provides real-time control over voltage droop, ensuring the CPU receives precise and stable power for ultimate system reliability.

 

Next-Generation Connectivity

Connectivity is a standout feature of this board, headlined by integrated Wi-Fi 6 (802.11ax) which offers peak theoretical bandwidth up to 2.4 Gbps and improved efficiency in crowded network environments. The rear I/O is packed with high-speed options, including USB 3.2 Gen 2 Type-A ports for fast data transfers and multiple video outputs like HDMI 2.1, DVI-D, and D-Sub for flexible display configurations. For storage, dual M.2 slots—including one PCIe 4.0 slot—allow for lightning-fast boot times and rapid file access.

 

Personalized Aesthetics and Durability

Beyond performance, the PRIME B550M-A WIFI II offers extensive customization through ASUS Aura Sync, allowing users to coordinate RGB lighting across a wide range of compatible hardware. The inclusion of Addressable Gen 2 headers means the motherboard can automatically detect and tailor lighting effects for specific LED devices. Durability is also prioritized with SafeSlot Core technology, which provides reinforced PCIe retention, and a stainless-steel back I/O panel that offers triple the corrosion resistance of standard materials.

 
Brand ASUS
Model PRIME B550M-A WIFI II
Socket AMD Socket AM4
Chipset AMD B550
Form Factor micro ATX
Memory Slots 4 x DIMM
Memory Type DDR4 up to 4866 MHz (OC)
Max Memory Capacity 128 GB
PCI Express Slot 1 x PCIe 4.0 x16
M.2 Slots 2 slots (PCIe 4.0 and PCIe 3.0)
SATA 6Gbps Ports 4
Wi-Fi Wi-Fi 6 (802.11ax)
Bluetooth Version 5.2
Ethernet Realtek 1 Gb Ethernet
HDMI Port HDMI 2.1
DVI-D Port 1
VGA D-Sub Port 1
USB 3.2 Gen 2 Type-A 2 (Rear)
USB 3.2 Gen 1 Type-A 4 (Rear)
Audio 7.1 Surround Sound High Definition
RGB Lighting Aura Sync
RAID Support 0, 1, 10
TPM Header Yes
MPN 90MB19X0-M0EAY0
EAN
4711081309741
Brand ASUS
Warranty Period 3 Years Limited Warranty
Service Type Carry in or Pick up and Return
MPN 90MB19X0-M0EAY0
EAN 4711081309741
Weight1.3000 kg
ManufacturerAsus
Motherboard Form FactorMicro ATX
Motherboard WIFIYes
Chipset ManufacturerAMD
DDR TypeDDR4
SocketAMD AM4

Customer Reviews

ASUS PRIME B550M-A WIFI II Micro-ATX Motherboard – AMD B550 Chipset, AM4 Socket, DDR4 Memory Support & Reliable PRIME Stability

Premium Performance for AMD Ryzen

The ASUS PRIME B550M-A WIFI II is expertly engineered to harness the full potential of AMD Ryzen 3000 and 5000 Series processors. Built on the AMD B550 chipset, this micro ATX motherboard provides a robust foundation for productivity and gaming by supporting PCIe 4.0 technology, which doubles the bandwidth for modern GPUs and NVMe SSDs. With its high-quality power delivery and stability, it ensures that your system remains responsive even under heavy multitasking or demanding creative workloads.

 

Advanced Cooling and Power Design

Effective thermal management is at the heart of this motherboard's design, featuring a dedicated VRM heatsink and high-quality thermal pads that improve heat transfer from MOSFETs and chokes. Users can take complete control over their system's acoustics and temperatures through the Fan Xpert 2+ software or the UEFI BIOS, which allows for granular adjustment of PWM and DC fans. Additionally, the Digi+ VRM provides real-time control over voltage droop, ensuring the CPU receives precise and stable power for ultimate system reliability.

 

Next-Generation Connectivity

Connectivity is a standout feature of this board, headlined by integrated Wi-Fi 6 (802.11ax) which offers peak theoretical bandwidth up to 2.4 Gbps and improved efficiency in crowded network environments. The rear I/O is packed with high-speed options, including USB 3.2 Gen 2 Type-A ports for fast data transfers and multiple video outputs like HDMI 2.1, DVI-D, and D-Sub for flexible display configurations. For storage, dual M.2 slots—including one PCIe 4.0 slot—allow for lightning-fast boot times and rapid file access.

 

Personalized Aesthetics and Durability

Beyond performance, the PRIME B550M-A WIFI II offers extensive customization through ASUS Aura Sync, allowing users to coordinate RGB lighting across a wide range of compatible hardware. The inclusion of Addressable Gen 2 headers means the motherboard can automatically detect and tailor lighting effects for specific LED devices. Durability is also prioritized with SafeSlot Core technology, which provides reinforced PCIe retention, and a stainless-steel back I/O panel that offers triple the corrosion resistance of standard materials.

 
Brand ASUS
Model PRIME B550M-A WIFI II
Socket AMD Socket AM4
Chipset AMD B550
Form Factor micro ATX
Memory Slots 4 x DIMM
Memory Type DDR4 up to 4866 MHz (OC)
Max Memory Capacity 128 GB
PCI Express Slot 1 x PCIe 4.0 x16
M.2 Slots 2 slots (PCIe 4.0 and PCIe 3.0)
SATA 6Gbps Ports 4
Wi-Fi Wi-Fi 6 (802.11ax)
Bluetooth Version 5.2
Ethernet Realtek 1 Gb Ethernet
HDMI Port HDMI 2.1
DVI-D Port 1
VGA D-Sub Port 1
USB 3.2 Gen 2 Type-A 2 (Rear)
USB 3.2 Gen 1 Type-A 4 (Rear)
Audio 7.1 Surround Sound High Definition
RGB Lighting Aura Sync
RAID Support 0, 1, 10
TPM Header Yes
MPN 90MB19X0-M0EAY0
EAN
4711081309741
Brand ASUS
Warranty Period 3 Years Limited Warranty
Service Type Carry in or Pick up and Return
MPN 90MB19X0-M0EAY0
EAN 4711081309741

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We offer a 14-day standard return policy. If you change your mind, you can return the item to us unopened and in its original condition for a full refund.

Yes, all our tech products are brand new and come with a standard manufacturer's warranty, which is typically 1 to 3 years depending on the brand and component.

Yes, all our tech products are brand new and come with a standard manufacturer's warranty, which is typically 1 to 3 years depending on the brand and component.

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