Product Specification

General

Brand : MSI

Model : MAG B550M MORTAR WIFI

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 : 6 x SATA 6 Gb/s

M.2 : M.2 x 2242/2260/2280 M-key, M.2 x 2242/2260/2280 M-key, M.2 x 2230 E-key

RAID Support : Yes

I/O Slots

USB : 2 x USB 2.0, 1 x USB 3.2 Gen 1, 1 x USB 3.2 Gen 2

PCIe Slots : 2 x PCIe x16, 2 x PCI-E x1

Display Port : 1 x HDMI

Ethernet : 1 x 2.5 Gbit/s

Wireless

Wireless Networking : Wi-Fi 6

MSI MAG B550M Mortar WiFi Gaming Motherboard (AMD AM4, DDR4, PCIe 4.0, SATA 6Gb/s, M.2, USB 3.2 Gen 2, AX Wi-Fi 6, HDMI/DP, Micro-ATX)

(435 Total Review)

The MSI MAG B550M Mortar WiFi is a Micro-ATX gaming motherboard designed for gamers, creators, and other users. This motherboard supports 3rd Gen and 5000 Series AMD Ryzen processors, using the AM4 socket.

With 4 DDR4 DIMM slots, this motherboard supports up to 128GB of RAM, which ensures smooth and fast performance. Equipped with Intel Wi-Fi 6 AX, this board supports faster, more efficient wireless connections with better range and lower latency. Overall, this board has everything you need.

Product Features

Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update.
Supports dual channel DDR4 memory up to 128 GB.
PCIe 4.0, Lightning Gen 4 M.2 with M.2 Shield Frozr.
AUDIO BOOST rewards your ears with studio grade sound quality for immersive gaming experiences.

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Out of Stock · Last Checked At: Oct 30, 2026

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