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MSI
MSI MAG B550 Tomahawk MAX WiFi ATX Motherboard
AMD AM4 DDR4 gaming and productivity builds, Ryzen 5000 series, value ATX platforms
Overview
The MSI MAG B550 Tomahawk MAX WiFi is a flagship AMD B550 motherboard for the AM4 socket, an excellent base for budget and mainstream Ryzen implementations that want to stay on the open and well-supported DDR4 AM4 platform. It offers dual Ethernet (2.5G plus 1G), on-board Wi-Fi 6 and Bluetooth, four DDR4 slots up to 128 GB, two PCIe 4.0 M.2 slots, and six SATA ports, plus a USB BIOS Flashback button so you can update the firmware without a CPU installed. In 2026 the board typically sells for about $150 to $176 at major retailers, a strong value for those building or upgrading an AM4 DDR4 system instead of moving to AM5 DDR5.
Key Highlights
- Flagship AM4 gaming board with dual LAN (2.5G + 1G) and on-board Wi-Fi 6
- Four DDR4 slots with dual channel supporting up to 128 GB for a mature AM4 platform
- USB BIOS Flashback lets you update BIOS without a CPU
- Two PCIe 4.0 M.2 slots and six SATA ports for flexible storage
- Solid VRM thermals make it a reliable base for budget and mid-range AM4 Ryzen builds
Technical Specifications
| Brand | MSI |
|---|---|
| Model | MSI MAG B550 Tomahawk MAX WiFi ATX Motherboard |
| Socket | AM4 (AMD Ryzen 5000, 4000-G, and 3000 series) |
| Chipset | AMD B550 |
| Form Factor | ATX (305 x 244 mm) |
| CPU Support | AMD Ryzen 5000/3000 series (AM4); supports Ryzen 5000 with USB BIOS Flashback for easy updates |
| Memory Support | 4x DDR4 DIMM slots, dual channel |
| Max Memory | Up to 128 GB DDR4 |
| Memory Slots | 4x DDR4 (up to 128 GB) |
| M.2 Slots | 2x M.2 (PCIe 4.0) |
| PCIe Slots | 1x PCIe 4.0 x16, 1x PCIe 3.0 x16, 2x PCIe 3.0 x1 |
| SATA Ports | 6x SATA 6 Gb/s |
| LAN | 2.5G + 1G Ethernet (Realtek RTL8125B + Intel I211-AT) |
| Wi-Fi | Wi-Fi 6 + Bluetooth 5.2 (onboard) |
| Audio | Realtek ALC892 7.1-channel HD audio |
| USB Ports | USB 3.2 Gen 2 Type-C (rear), USB 3.2 Gen 1/2 Type-A, several USB 2.0 headers; supports Flash BIOS button |
| Price | $149.99 to $175.99 street (2026); price history low ~$149.99, high up to ~$250 at third-party sellers |