B550 Tomahawk MAX WIFI Motherboard

Processor

Supports AMD Ryzen™ 5000 Series, 5000 G-Series, 4000G-Series, and 3000 Series processors

See supported processors

Chipset

AMD B550 Chipset

Memory

• 4 x 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/ 4533/ 4600/ 4733/ 4800/ 4866/ 5000/ 5100+ MHz by A-XMP OC MODE
    • 1DPC 1R max speed 5100 MHZ
    • 1DPC 2R max speed 3866 MHZ
    • 2DPC 1R max speed 4000 MHZ
    • 2DPC 2R max speed 3600 MHZ
• Dual channel memory architecture
• Supports non-ECC UDIMM memory
• Supports ECC UDIMM memory
• Supports un-buffered memory

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

Expansion Slot

• 1x PCIe 4.0/ 3.0 x16 slot (PCI_E1) ¹
• 1x PCIe 3.0 x16 slot (PCI_E3), supports x4 speed ²
• 2x PCIe 3.0 x1 slots

1. The supported specification depends on installed processor.
2. When installing devices in M.2_2, PCI_E2 & PCI_E3 slots at the same time, PCI_E3 slot will be unavailable, and M2_2 slot only supports PCIe x2.

Multi-GPU

• Supports AMD CrossFire™ Technology

Onboard Graphics

• 1x HDMI™ 2.1 port, supports a maximum resolution of 4096×2160 @60Hz ^1 2
  Support HDCP 1.4 & 2.3
• 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/ 22110 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

• 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^® ALC897 Codec

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

LAN

• 1x Realtek^® RTL8125B 2.5Gbps LAN controller

WIRELESS LAN & BLUETOOTH

AMD^® Wi-Fi 6E¹

• 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® 5.2²

1. Wi-Fi 6E 6GHz may depend on every country’s regulations and will be ready in Windows 10 version 21H1 and Windows 11
2. Bluetooth 5.2 will be ready in Windows 10 version 21H1 and Windows 11.

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
• 6x 4-pin system fan connectors
• 1x Front panel audio connector
• 2x System panel connectors
• 1x Chassis Intrusion connector
• 2x 4-pin RGB LED connectors
• 2x 3-pin RAINBOW LED connectors
• 1x TPM module connector
• 1x Clear CMOS jumper

Back panel ports

Dimensions

• ATX Form Factor
• 12 in. x 9.6 in. (30.5 cm x 24.4 cm)

Mounting

9 mounting holes

Operating System

Support for Windows^® 11 64-bit, 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.