
- Model:MAG B550 TOMAHAWK WIFI
- AMD B550 chipset, AM4 socket, ATX form factor
- Supports Ryzen 5000/4000G/3000 series processors
- DDR4 up to 5100+ MHz (OC), PCIe 4.0, Wi-Fi 6E
- 2.5G LAN, extended heatsink, M.2 Shield Frozr
- 3 Years Warranty from MSI
Overview
The MSI MAG B550 TOMAHAWK MAX WIFI is a premium AMD B550 motherboard designed for gaming and high-performance computing. Built on the AM4 socket, it supports AMD Ryzen 5000, 5000G, 4000G, and 3000 series processors with robust power delivery and thermal management.
This ATX motherboard features DDR4 memory support up to 5100+ MHz in overclocking mode, PCIe 4.0 connectivity, and dual M.2 slots with M.2 Shield Frozr thermal protection. The 10+2+1 Duet Rail Power System with Digital PWM ensures stable performance under demanding workloads.
Connectivity is enhanced with Wi-Fi 6E (up to 2400 Mbps), 2.5G LAN, and comprehensive USB 3.2 ports. The extended heatsink design with 7W/mK thermal pads keeps temperatures low, while the pre-installed I/O shield improves EMI protection and installation convenience.
- AMD B550 Chipset with AM4 Socket
- Supports AMD Ryzen 5000/5000G/4000G/3000 Series
- 4x DDR4 DIMM slots, up to 128GB, 5100+ MHz (OC)
- PCIe 4.0 x16 slot with Steel Armor protection
- 2x M.2 slots with M.2 Shield Frozr thermal solution
- Wi-Fi 6E with 2.4GHz/5GHz/6GHz support, up to 2400 Mbps
- 2.5G LAN (Realtek RTL8125B)
- 6x SATA 6Gb/s ports with RAID 0/1/10 support
- Extended heatsink with 7W/mK thermal pads
- 10+2+1 Duet Rail Power System with Digital PWM
- Realtek ALC897 7.1-channel audio codec
- USB 3.2 Gen 2 Type-C and Type-A ports
- DisplayPort 1.4 and HDMI 2.1 outputs
- Pre-installed I/O Shield for EMI protection
- AMD CrossFire multi-GPU support
Specifications
- Chipset
- AMD B550 Chipset
- CPU
- Supports AMD Ryzen™ 5000 Series, 5000 G-Series, 4000G-Series, and 3000 Series processors
- Memory
- 4 x DDR4 memory slots, support up to 128GB 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 Please refer www.msi.com for more information on compatible memory.
- Onboard Graphics
- 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 Available for the processor with integrated graphics. Graphics specifications may vary depending on the CPU installed.
- Audio
- Realtek® ALC897 Codec 7.1-Channel High Definition Audio Supports S/PDIF output
- Storage
- 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/ 22110 storage devices M2_2 slot (from AMD B550 chipset) Supports PCIe 3.0x4 Supports 2242/ 2260/ 2280 storage devices 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
- 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) 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
- LAN
- 1x Realtek® RTL8125B 2.5Gbps LAN controller
- Internal IO
- 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
- WIRELESS LAN & BLUETOOTH
- 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® 5.2 Wi-Fi 6E 6GHz may depend on every country's regulations and will be ready in Windows 10 version 21H1 and Windows 11. Bluetooth 5.2 will be ready in Windows 10 version 21H1 and Windows 11.
- BACK PANEL PORTS
- 01. Keyboard / Mouse 02. DisplayPort 1.4 03. 2.5G LAN Port 04. USB 3.2 Gen 2 10Gbps Type-A 05. Wi-Fi / Bluetooth Antenna 06. Audio Connectors 07. Flash BIOS Button 08. USB 2.0 Port 09. HDMI™ 2.1 Port 10. USB 3.2 Gen 1 5Gbps Type-A 11. USB 3.2 Gen 2 10Gbps Type-C 12. Optical S/PDIF OUT
- OPERATING SYSTEM
- Support for Windows® 11 64-bit, Windows® 10 64-bit
- Dimensions
- ATX Form Factor 12 in. x 9.6 in. (30.5 cm x 24.4 cm)
- Mounting
- 9 mounting holes
- Multi-GPU
- Supports AMD CrossFire™ Technology
Warranty
3 Years manufacturer warranty from MSI. Warranty service is provided by the brand's authorised service centre under the brand's own terms; keep the original invoice and the serial number for any claim, and we will guide you through the process. Details are in our Warranty Policy.






