MSI MAG B550M Mortar MAX WiFi

• Supports AMD Ryzen™ 5000 Series, 5000 G-Series, 4000G-Series, and 3000 Series processors
• Support Socket AM4

• 4x DDR4 memory slots, support up to 128GB

• Dual channel memory architecture
• Supports non-ECC UDIMM memory
• Supports ECC UDIMM memory (non-ECC mode)
• Supports un-buffered memory

• 1x PCIe 3.0/ 4.0 x16 slot (PCI_E1)
• 1x PCIe 3.0 x16 slot (PCI_E4), supports x4 mode
• 2x PCIe 3.0 x1 slots

• 1x HDMI 2.1 port, supports a maximum resolution of 4096x2160 @60Hz

Support HDCP 1.4 & 2.3

• 1x DisplayPort, supports a maximum resolution of 4096x2160 @60Hz
• Maximum shared memory of 16 GB

AMD B550 Chipset

6x SATA 6Gb/s ports
2x M.2 slots (Key M)
M2_1 slot (from AMD processor)
Supports PCIe 4.0/ 3.0 x4
Supports SATA 6Gb/s
Supports 2242/ 2260/ 2280 storage devices
M2_2 slot (from AMD B550 chipset)
Supports PCIe 3.0x4
Supports 2242/ 2260/ 2280 storage devices

AMD B550 Chipset

Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices
Supports RAID 0 and RAID 1 for M.2 NVMe storage devices

AMD B550 Chipset

3x USB 3.2 Gen 1 5Gbps ports (1 Type-C internal connector, and 2 ports are available through the internal USB 3.2 Gen 1 5Gbps connector)
6x USB 2.0 ports (2 Type-A ports on the back panel, 4 ports through the internal USB 2.0 connectors)

AMD Processor

2x USB 3.2 Gen 2 10Gbps ports (1 Type-C port and 1 Type-A port on the back panel)
2x USB 3.2 Gen 1 5Gbps Type-A ports on the back panel

Realtek® ALC1220P Codec

7.1-Channel High Definition Audio
Supports S/PDIF output

1x Realtek® RTL8125B 2.5Gbps LAN controller

AMD® Wi-Fi 6E

The Wireless module is pre-installed in the M.2 (Key-E) slot
Supports MU-MIMO TX/RX
Supports 20MHz, 40MHz, 80MHz bandwidth in 2.4GHz/ 5GHz or 6GHz bands
Supports 802.11 a/ b/ g/ n/ ac/ ax
Supports Bluetooth® 5.

1x 24-pin ATX main power connector
1x 8-pin ATX 12V power connector
6x SATA 6Gb/s connectors
2x M.2 slots (M-Key)
1x USB 3.2 Gen 1 5Gbps Type-C port
1x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)
2x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
1x 4-pin CPU fan connector
1x 4-pin water-pump fan connector
3x 4-pin system fan connectors
1x Front panel audio connector
2x System panel connectors
1x Chassis Intrusion connector
1x 4-pin RGB LED connector
2x 3-pin RAINBOW LED connectors
1xTPM module connector
1x Clear CMOS jumper

DisplayPort 1.4
PS/2 Combo Port
2.5G LAN Port
USB 3.2 Gen 2 10Gbps Type-A
Wi-Fi / Bluetooth Antenna
HD Audio Connectors
HDMI 2.1 Port
Flash BIOS Button
USB 2.0 Port
USB 3.2 Gen 1 5Gbps Type-A
USB 3.2 Gen 2 10Gbps Type-C
Optical S/PDIF OUT

Micro-ATX Form Factor
9.6 in. x 9.6 in. (24.4 cm x 24.4 cm)

8 mounting holes

Support for Windows® 11 64-bit, Windows® 10 64-bit