MSI MAG B550M MORTAR WIFI

PROCESSOR

Supports AMD Ryzen™ 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen™ 5 3400G & Ryzen™ 3 3200G) and AMD Ryzen™ 4000 G-Series desktop processors

See supported processors

CHIPSET

AMD B550 Chipset

MEMORY

• 4x DDR4 memory slots, support up to 128GB ¹
  • Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC
  • Supports DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733/ 3866/ 4000/ 4133/ 4266/ 4400+ MHz by A-XMP OC MODE
    • 1DPC 1R max speed 4400 MHZ
    • 1DPC 2R max speed 3733 MHZ
    • 2DPC 1R max speed 3866 MHZ
    • 2DPC 2R max speed 3466 MHZ
• Dual channel memory architecture
• Supports non-ECC UDIMM memory
• Supports ECC UDIMM memory (non-ECC mode)
• Supports un-buffered memory

1. Please refer www.msi.com for more information on compatible memory.

EXPANSION SLOT

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

1. The supported specification depends on installed processor.
2. PCI_E4 will be unavailable when an M.2 SSD is installed in the M2_2 slot.

MULTI-GPU

• Supports 2-Way AMD CrossFire™ Technology

ONBOARD GRAPHICS

• 1x HDMI 2.1 port, supports a maximum resolution of 4096×2160 @60Hz ^1 2
• 1x DisplayPort, supports a maximum resolution of 4096×2160 @60Hz ¹
• Maximum shared memory of 16 GB

1. Available for the processor with integrated graphics.
2. Graphics specifications may vary depending on the CPU installed.

STORAGE

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 ¹
    • Supports SATA 6Gb/s
    • Supports 2242/ 2260/ 2280 storage devices
  • M2_2 slot (from AMD B550 chipset)
    • Supports PCIe 3.0×4
    • Supports 2242/ 2260/ 2280 storage devices

1. The supported specification depends on installed processor.

RAID

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

USB

AUDIO

Realtek^® ALC1200 Codec

• 7.1-Channel High Definition Audio
• Supports S/PDIF output

LAN

• 1x Realtek^® RTL8125B 2.5Gbps LAN controller

WIRELESS LAN & BLUETOOTH^®

Intel^® Wi-Fi 6 AX200

• The Wireless module is pre-installed in the M.2 (Key-E) slot
• Supports MU-MIMO TX/RX, 2.4GHz/ 5GHz (160MHz) up to 2.4Gbps
• Supports 802.11 a/ b/ g/ n/ ac/ ax
• Supports Bluetooth^® 5.1

INTERNAL CONNECTORS

• 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

BACK PANEL PORTS

DIMENSIONS

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

MOUNTING

8 mounting holes

OPERATING SYSTEM

Support for Windows^® 10 64-bit

BOX CONTENT

1. MSI^® does not guarantee the risks or damages caused by changing the cover.
2. These pictures are for reference only and may vary without notice.