ASUS PRIME B550M-A WIFI II

Home Motherboard ASUS PRIME B550M-A WIFI II

Product Specification

General
Brand : ASUS
Model : PRIME B550M-A WIFI II
Socket Type : AM4
Chipset : AMD B550
Form Factor : Micro ATX
Memory Support
Memory Type : DDR4
RAM Quantity : 4 (Quad Channel)
Max Memory Support : 128 GB
Memory Pin : 288-Pin
Storage Expansion
SATA : 4 x SATA 6 Gb/s
M.2 : M.2 x 2242/2260/2280/22110 M-key, M.2 x 2242/2260/2280 M-key
RAID Support : Yes
I/O Slots
USB : 2 x USB 2.0, 1 x USB 3.2 Gen 1
PCIe Slots : 1 x PCIe x16, 2 x PCIe x1
Display Port : 1 x HDMI, 1 x DVI-D Port
Ethernet : 1 x 1 Gb/s
Wireless
Wireless Networking : Wi-Fi 6

ASUS Prime B550M-A WiFi II Motherboard – AMD AM4, Micro ATX, PCIe 4.0, WiFi 6, HDMI 2.1, Aura Sync

  (4 Total Review)

The ASUS Prime B550M-A WiFi II is a powerful and reliable micro-ATX motherboard designed for AMD 3rd Gen Ryzen processors. This motherboard uses the AMD AM4 socket, which supports 3rd Gen Ryzen processors for smooth performance. Ryzen processors are known for their fast multitasking abilities, making the board suitable for gaming, content creation, streaming, and everyday work.

The micro-ATX design makes this board compact but still packed with essential features. It fits easily into most cases, giving you flexibility whether you want a small or medium-sized PC build. This board features 4 DDR4 DIMM slots, with up to 128GB of memory, which ensures smooth and fast performance while everyday computing. 

Product Features

  • AMD AM4 Socket and PCIe 4.0: The perfect pairing for 3rd Gen AMD Ryzen CPUs.
  • 4 DIMMs.
  • VRM heatsink, PCH heatsink, hybrid fan headers and Fan Xpert 2 utility.
  • Micro-ATX Form Factor.
  • 8+1 DrMOS power stages with high-quality alloy chokes and durable capacitors to provide reliable power for the last AMD high-count-core CPUs.
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In Stock · Last Price Checked At: Oct 30, 2026
$109.99
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Product Specification

General
Brand : ASUS
Model : PRIME B550M-A WIFI II
Socket Type : AM4
Chipset : AMD B550
Form Factor : Micro ATX
Memory Support
Memory Type : DDR4
RAM Quantity : 4 (Quad Channel)
Max Memory Support : 128 GB
Memory Pin : 288-Pin
Storage Expansion
SATA : 4 x SATA 6 Gb/s
M.2 : M.2 x 2242/2260/2280/22110 M-key, M.2 x 2242/2260/2280 M-key
RAID Support : Yes
I/O Slots
USB : 2 x USB 2.0, 1 x USB 3.2 Gen 1
PCIe Slots : 1 x PCIe x16, 2 x PCIe x1
Display Port : 1 x HDMI, 1 x DVI-D Port
Ethernet : 1 x 1 Gb/s
Wireless
Wireless Networking : Wi-Fi 6