MSI MAG B550 Tomahawk WiFi ATX AM4 DDR4 Gaming Motherboard
| Specification Group | MSI AMD B550 Motherboard Details |
|---|---|
| General & Platform | Chipset: AMD B550 CPU Socket: Socket AM4 (Supports AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series desktop processors) Form Factor & PCB Size: ATX, 243.84 mm x 304.8 mm Operating System: Support for Windows® 11 64-bit |
| Memory Support | DIMM Slots: 4x DDR4, Maximum Memory Capacity 128GB Memory Speeds: 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 Max Overclocking Frequency Breakdown: – 1DPC 1R: Max speed up to 5100+ MHz – 1DPC 2R: Max speed up to 3866+ MHz – 2DPC 1R: Max speed up to 4000+ MHz – 2DPC 2R: Max speed up to 3600+ MHz Features & Design: DIMM slots with single-sided latches, Dual channel memory architecture, Supports non-ECC UDIMM memory, Supports ECC UDIMM memory (non-ECC mode), Supports un-buffered memory, Supports AMD EXPO |
| Graphics & Display | HDMI™: 1x HDMI™ port (Supports HDMI™ 2.1, max resolution 4K 60Hz) DisplayPort: 1x DisplayPort (Supports DisplayPort 1.4, max resolution 4K 60Hz) *Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed. |
| Expansion Slots | Total Slots: 2x PCI-E x16 slots, 2x PCI-E x1 slots – PCI_E1: Gen PCIe 4.0 supports up to x16 (From CPU) – PCI_E2: Gen PCIe 3.0 supports up to x1 (From Chipset) – PCI_E3: Gen PCIe 3.0 supports up to x4 (From Chipset) – PCI_E4: Gen PCIe 3.0 supports up to x1 (From Chipset) *Supported specification depends on installed processor. **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. |
| Storage & RAID | M.2 Slots (Total 2): – M.2_1: From CPU, supports up to PCIe 4.0 x4 / SATA mode (supports 22110/2280/2260/2242 devices) – M.2_2: From Chipset, supports up to PCIe 3.0 x4 (supports 2280/2260/2242 devices) SATA Ports: 4x SATA 6G RAID Support: Supports RAID 0, RAID 1, and RAID 10 for SATA storage devices; Supports RAID 0 and RAID 1 for M.2 NVMe storage devices |
| Networking | Ethernet (LAN): Realtek® 8125B 2.5G LAN Wireless & Bluetooth: Wi-Fi 6E Solution (pre-installed in M.2 Key-E slot) – Supports MU-MIMO TX/RX, 2.4GHz / 5GHz / 6GHz (160MHz) up to 2.4Gbps – Supports 802.11 a/b/g/n/ac/ax, Bluetooth® 5.3 |
| USB Connectivity | Rear USB Ports: 2x USB 2.0, 2x USB 5Gbps Type-A, 1x USB 10Gbps Type-A, 1x USB 10Gbps Type-C Front USB Ports / Connectors: 4x USB 2.0, 2x USB 5Gbps Type-A, 1x USB 5Gbps Type-C |
| Audio System | Codec: Realtek® ALC897 Channels: 7.1-Channel High Definition Audio |
| Internal I/O Connectors | – Power Connectors: 1x ATX_PWR, 1x CPU_PWR – Cooling: 1x CPU Fan, 2x Pump Fan, 4x System Fan – Headers & Panels: 2x Front Panel (JFP), 1x Chassis Intrusion (JCI), 1x Front Audio (JAUD) – RGB & TPM: 2x Addressable V2 RGB LED connectors (JARGB_V2), 2x RGB LED connectors (JRGB), 1x TPM pin header (Supports TPM 2.0) – Internal USB Headers: 4x USB 2.0 ports, 2x USB 5Gbps Type-A ports, 1x USB 5Gbps Type-C ports |
| Back Panel & LED | LED Features: 4x EZ Debug LED Back Panel Ports: Keyboard / Mouse, DisplayPort, 2.5G LAN, Wi-Fi / Bluetooth connectors, Audio Connectors, Flash BIOS Button, USB 2.0, HDMI™, USB 5Gbps (Type-A), USB 10Gbps (Type-C), USB 10Gbps (Type-A) |





