MSI
MSI MAG B550 TOMAHAWK WIFI Gaming Desktop Motherboard - AMD B550 Chipset - Socket AM4 - ATX (b550tommwifi)
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- SKU:
- 21715644
- MPN:
- b550tommwifi
- Availability:
- Usually ships the same or next business day.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 11/14/2026 10:24:35 PM PST
- Stock Update:
- 11/14/2026 10:24:35 PM PST
Frequently bought together:
Description
This item is brand-new, factory sealed.
MSI MAG B550 Tomahawk WiFi Motherboard, ATX, AM4- ULTRA POWER - SUPPORTS RYZEN 5000 PROCESSORS IN HIGH PERFORMANCE - The MAG B550 TOMAHAWK WIFI employs a 8+2+1 Duet Rail Power System (DrMOS 50A) VRM for the AMD B550 chipset (AM4, Ryzen 5000) with Core Boost architecture
- FROZR GUARD - Cooling features such as thermal pads, extra choke thermal pads and an Extended Heatsink; Includes chipset heatsink, M.2 Shield Frozr, a Pump-sys fan header
- DDR4 MEMORY, PCIe 4.0 x16 SLOT - 4 x DDR4 DIMM slots enable memory overclocking speeds (1DPC 1R, 5100+ MT/s OC); 1 x PCIe 4.0 x16 slot (64GB/s) with Steel Armor supports the graphics cards
- Dual M.2 CONNECTORS - Storage options include 1 x M.2 Gen4 x4 64Gbps slot with M.2 Shield Frozr to prevent thermal throttling, 1 x M.2 Gen3 x4 32Gbps slot
- CONNECTIVITY - Network hardware includes Wi-Fi 6E module with Bluetooth 5.3 & 2.5Gbps LAN; Rear ports include USB 10Gbps Type-C and 7.1 HD Audio with Audio Boost
- Processor Socket: Socket AM4
- Compatible Devices: Personal Computer
- RAM Memory Technology: DDR4
- Compatible Processors: Supports AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series desktop processors
- Chipset Type: AMD B550
- Memory Clock Speed: 5100 MHz
- Platform: Windows 11
- Memory Storage Capacity: 128 GB
- Ram Memory Maximum Size: 128 GB
- Memory Slots Available: 2
- Number of Ports: 7
- System Bus Standard Supported: Serial ATA/600
- Total SATA Ports: 4
- Total Usb Ports: 6
- Number of Ethernet Ports: 1
- Total Number of HDMI Ports: 1
- Total PCIe Ports: 4
- Chipset Family: AMD
- Brand: msi
- Model Name: MAG
- Model Number: B550 TOMAHAWK WIFI
- Item Highlight: AMD Ryzen 5000 / 4000 / 3000 CPU, DDR4 up to 5100+MT/s OC, PCIe 4.0 x16, M.2 Gen4, Wi-Fi 6E, 2.5G LAN
- Manufacturer: MSI
- Number of Items: 1
- UPC: 824142475904
- Number of Packs: 1
- Item Weight: 3.4 pounds
- Mfr Part Number: B550TOMMWIFI
- Warranty Description: 3 Years
- Item Dimensions L x W x H: 13.6"L x 10.7"W x 3.5"H
MAG B550 TOMAHAWK WIFI: Stable Foundation, Durably Built Designed for gaming and performance on the AMD B550 chipset (Ryzen 5000 series supported, AM4), the MSI MAG B550 TOMAHAWK WIFI motherboard includes premium GPU support with a PCIe 4.0 x16 slot, improved DDR4 memory support (5100+ MT/s, OC), and M.2 Gen4 storage options (with M.2 Shield Frozr). To power Ryzen 5000 processors, the MAG B550 TOMAHAWK WIFI is equipped with a 8 Duet Rail Power System (DrMOS 50A) VRM for the CPU and a 8-pin CPU power connectors, augmented with multiple passive cooling features. MSI gaming motherboards feature durable PCBs with 2oz of thickened copper and PCIe Steel Armor to support the primary graphic card slot. Connectivity includes Wi-Fi 6E and Bluetooth 5.3 technology, Realtek 2.5G LAN, USB 10Gbps Type-C, 4K/30Hz display support, and 7.1 HD audio. For gamers looking for an efficient AMD Ryzen 5000 platform that unites PCIe 4.0 x16 graphics card architecture, improved DDR4 support, and M.2 Gen4 storage options into one elegant design, the MSI MAG B550 TOMAHAWK WIFI gaming motherboard is the perfect choice.
Features
Platform Supported:
Windows
AMD
Windows
Brand Compatibility:
AMD
Specs
| Physical Characteristics | |
| Form Factor | ATX |
| Width | 12" |
| Depth | 9.6" |
| I/O Expansions | |
| Number of PCI Express x1 Slots | 2 |
| PCI Express Standard |
|
| Number of PCI Express x16 Slots | 2 |
| Total Number of PCI Express Slots | 4 |
| Memory | |
| Memory Technology | DDR4 SDRAM |
| Number of Memory Slots | 4 |
| Memory Speed Supported |
|
| Memory Form Factor |
|
| Maximum Memory Supported | 128 GB |
| Error Checking | ECC |
| General Information | |
| Brand Name | MSI |
| Manufacturer Website Address | http://www.msi.com |
| Marketing Information | MAG B550M GAMING PLUS MAX WIFI The MAG B550 TOMAHAWK WIFI is crafted to offer extensive connectivity, versatile tools, and Wi-Fi solution for gamers seeking a comprehensive experience. Featuring an 2.5G LAN, Wi-Fi6E and PCIe 4.0 solution, it is ready for 24/7 non-stop gaming optimized for AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series processors. MSI's mainstream MAG series epitomizes stability and durability and is built to withstand the most intense gaming sessions. The entire lineup features robust construction with metallic-like hardness and excellent heat dissipation, ensuring stability for all critical gaming components. EZ GPU INSTALLATION The enlarged PCI-E clip helps you swap or remove your devices easier. Keep the PCI-E slot stronger and safer. Pre-Installed I/O Shield The Pre-Installed I/O Shield offers a streamlined and hassle-free installation experience by eliminating the need to manually fit the I/O shield during motherboard setup. With its built-in design, it ensures proper alignment and a secure fit, providing both protection and convenience while enhancing the overall durability of your build. EZ MOUNTING MSI motherboards circuitry ensure the case standoff keep out zones are pure and clean. Moreover, the protective paint is printed around each screw hole to prevent parts from being scratched or damaged to the motherboard. DRIVER UTILITY INSTALLER Once connected to the internet, MSI Driver Utility Installer will detect and present suitable drivers and utilities automatically, you can download and install with just a few clicks. EZ OPTIMIZATION A host of features inject artificial intelligence into key aspects of your computing experience to make smarter, real-time optimizations. The MSI Center offers a clean, minimal interface to customize and manage your PC settings. The AI Engine, for example, automatically adjusts settings based on the applications you're using, ensuring seamless performance. CORE BOOST Core Boost technology combines MSI's premium layout and optimized power design which allows for faster and undistorted current delivery to the CPU at pin-point precision. Not only supporting multi-core CPU, also creating the perfect conditions for your CPU overclocking. DDR4 Exclusive MSI Memory Boost technology utilizes an optimized and isolated DDR4 circuit design to ensure pure and undisturbed signals, significantly enhancing performance and efficiency. TVS Transient Voltage Suppressors (TVS) are safety devices used to protect against excessive voltage. All motherboard models of MSI are equipped with TVS. When the voltage abnormally rises, the TVS switches from a high-resistance state to a low-resistance state, diverting the excessive voltage to ground. This helps prevent circuit damage caused by high voltage. SOILID PIN DESIGN The 8-pin, 8-pin, and 24-pin power connectors of MSI motherboards are all designed with solid pins. The solid pin design allows for a more stable transmission of 12V power to the CPU, even when handling high current loads. Advantages of Solid Pin Power connector Improved stability : Larger contact area enhances stability during power delivery. Low impedance : Solid pins offer low impedance, enabling efficient power flow. |
| Product Type | Gaming Desktop Motherboard |
| Product Name | MAG B550 TOMAHAWK WIFI Gaming Desktop Motherboard |
| Manufacturer | MSI |
| Manufacturer Part Number | B550TOMMWIFI |
| Product Model | B550 TOMAHAWK WIFI |
| Product Line | MAG |
| Processor & Chipset | |
| Chipset Manufacturer | AMD |
| Processor Supported |
|
| Total Processor Supported | 1 |
| Processor Socket | Socket AM4 |
| Chipset Model | B550 |
| Technical Information | |
| AI-powered | Yes |
| Onboard Interfaces | |
| Number of SATA Interfaces | 4 |
| Total Number of Onboard USB Ports | 7 |
| Number of M.2 Interfaces | 2 |
| Number of Onboard USB 2.0 Ports | 4 |
| Interfaces/Ports | |
| HDMI Version | <p>HDMI 2.1</p> |
| DisplayPort | Yes |
| HDMI | Yes |
| Number of USB 2.0 Ports | 2 |
| Total Number of USB Ports | 6 |
| Number of Network (RJ-45) Ports | 1 |
| I/O Controller | |
| RAID Supported | Yes |
| Controller Type | Serial ATA/600 |
| RAID Levels |
|
| Video | |
| Onboard Video | CPU Dependent Video |
| Network & Communication | |
| Wireless LAN | Yes |
| Wireless LAN Standard | IEEE 802.11 a/b/g/n/ac/ax |
| Bluetooth | Yes |
| Bluetooth Standard | Bluetooth 5.3 |
| 2.5Gigabit Ethernet | Yes |
| Gigabit Ethernet | Yes |
| Audio | |
| Audio Channels | 7.1 |
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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MSI MAG B550 TOMAHAWK WIFI Gaming Desktop Motherboard - AMD B550 Chipset - Socket AM4 - ATX (b550tommwifi)
$166.39