MSI PRO B550M-P WiFi 6E Micro-ATX Motherboard (AM4, B550, DDR4)
MPN PRO-B550M-P-WIFI6E · Brand MSI · mATX
MSI PRO B550M-P WiFi 6E is a Micro-ATX AM4 motherboard with AMD B550 chipset, PCIe 4.0, DDR4 up to 128 GB at 4400+ MT/s (OC), Wi-Fi 6E, and Bluetooth 5.3 — compatible with AMD Ryzen 5000/4000G/3000 series processors
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Overview
The MSI PRO B550M-P WiFi 6E is a Micro-ATX motherboard built on AMD's B550 chipset for the AM4 socket, supporting AMD Ryzen 5000 Series, Ryzen 5000 G-Series, Ryzen 4000 G-Series, and Ryzen 3000 Series processors. Designed for professional workstations and capable home builds alike, it combines reliable platform connectivity with modern wireless standards to suit a wide range of use cases. At the heart of its connectivity offering is an integrated Wi-Fi 6E solution paired with Bluetooth 5.3, enabling high-speed wireless networking and data transmission with improved band capacity compared to earlier Wi-Fi generations. A single PCIe 4.0 x16 slot (from the CPU) provides fast GPU bandwidth, while a Lightning Gen4 x4 M.2 slot delivers rapid NVMe storage throughput. Two additional PCIe 3.0 x1 slots from the chipset extend expansion options for add-in cards. Memory is handled by four DDR4 DIMM slots supporting dual-channel configurations with a maximum capacity of 128 GB. Supported native and overclocked speeds range from DDR4-2667 up to 4400+ MT/s via A-XMP OC mode, with configuration-dependent maximums: 1DPC 1R up to 4400+ MT/s, 1DPC 2R up to 3733+ MT/s, 2DPC 1R up to 3866+ MT/s, and 2DPC 2R up to 3466+ MT/s. Only non-ECC, unbuffered memory is supported. Display outputs on the rear panel include one HDMI port and one VGA port for integrated graphics use. USB connectivity includes USB 2.0, USB 5 Gbps Type-A, and network is served by a dedicated LAN port alongside the Wi-Fi antenna connectors. Internal headers encompass front-panel USB 2.0 and USB 5 Gbps Type-A and Type-C ports, RGB and Addressable RGB V2 headers for lighting customisation, a TPM 2.0 pin header, chassis intrusion connector, COM port, and multiple fan headers. MSI Center software integrates system monitoring and tuning utilities. The board carries a 3-year manufacturer warranty. Verifiable Specifications: - Socket: AM4 - Chipset: AMD B550 - Form Factor: Micro-ATX - CPU Support: Ryzen 5000, Ryzen 5000-G, Ryzen 4000-G, Ryzen 3000, Ryzen 3000-G (AM4) - Memory: 4x DDR4 DIMM, dual-channel, max 128 GB, up to 4400+ MT/s (A-XMP OC) - Expansion: 1x PCIe 4.0 x16 (CPU), 2x PCIe 3.0 x1 (Chipset) - Storage: Lightning Gen4 x4 M.2 slot - Wireless: Wi-Fi 6E + Bluetooth 5.3 - Display Out: 1x HDMI, 1x VGA - Warranty: 3 Years
Datasheet
| Memory Type | DDR4 |
|---|---|
| Warranty | 3 Years |
| Form Factor | mATX |
| Chipset | B550 |
| Socket | AM4 |
| CPU Type | Ryzen 5000, Ryzen 5000-G, Ryzen 4000-G, Ryzen 3000,Ryzen 3000-G |
| Max Memory | 128 GB |
| Memory Speed | up to 4400+ |
| Platform | AMD |
| Graphics Port | 1x HDMI,1x VGA |
| Memory Feature | 4x DDR4, Maximum Memory Capacity 128GBMemory Support DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733/ 3866/ 4000/ 4133/ 4266/ 4400+ MHz by A-XMP OC MODEMax. overclocking frequency: • 1DPC 1R Max speed up to 4400+ MT/s • 1DPC 2R Max speed up to 3733+ MT/s • 2DPC 1R Max speed up to 3866+ MT/s • 2DPC 2R Max speed up to 3466+ MT/sSupports JEDEC Speed Supports Dual-Channel mode Supports non-ECC, un-buffered memory Supports Memory Overclocking by A-XMP OC mode • The DIMM slots on this motherboard have double-sided latches. • Memory compatibility and supported speeds can vary depending on the CPU and memory configuration. For detailed information visit MSI official website |
| Expansion Slots | 1x PCI-E x16 slot2x PCI-E x1 slotPCI_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 x1 (From Chipset) *The supported specification depends on installed processor |
| Channel Supported | Dual Channel |
| Wireless Networking | Wi-Fi 6E,Bluetooth 5.3 |
| Back Panel I/O Ports | VGA Keyboard / Mouse Wi-Fi / Bluetooth DisplayPort USB 2.0 USB 5Gbps Type-A LAN port Audio connectors HDMI |
| Internal I/O Connector | 1x Power Connector(ATX_PWR)1x Power Connector(CPU_PWR)1x CPU Fan2x System Fan2x Front Panel (JFP)1x Chassis Intrusion (JCI)1x Front Audio (JAUD)1x Com Port (JCOM)2x Addressable V2 RGB LED connector (JARGB_V2)2x RGB LED connector(JRGB)1x TPM pin header(Support TPM 2.0)4x USB 2.0 ports2x USB 5Gbps Type A ports1x USB 5Gbps Type C ports1x Front Audio (JAUD) 1x Com Port (JCOM) 1x Tuning Controller connector(JDASH) 2x Addressable V2 RGB LED connector (JARGB_V2) 1x RGB LED connector(JRGB) 1x TPM pin header(Support TPM 2.0) 4x USB 2.0 ports 4x USB 5Gbps Type A ports 1x USB 10Gbps Type C ports |




