- Model:PRO B550M-P
- AMD B550 chipset, Socket AM4, mATX
- Supports Ryzen 5000/4000/3000 series
- DDR4 up to 4400+ MT/s, PCIe 4.0 M.2
- Front USB Type-C, Audio Boost, Frozr AI
- 3 Years Warranty from MSI
Overview
The MSI PRO B550M-P is a micro-ATX motherboard engineered for AMD Ryzen 5000, 4000, and 3000 series processors on the AM4 socket. It features the AMD B550 chipset with PCIe 4.0 support, delivering fast storage performance through its Lightning Gen 4 M.2 slot with 64 Gbps bandwidth.
Built for professionals and productivity-focused users, the PRO B550M-P combines robust performance with user-friendly features. It supports DDR4 memory up to 4400+ MT/s in overclocking mode, with four DIMM slots for up to 128GB capacity. The board includes Frozr AI Cooling technology for intelligent thermal management, Audio Boost for high-definition audio, and comprehensive EZ DIY features including EZ Debug LED and EZ Mounting for hassle-free installation.
Connectivity options include USB 5Gbps ports, front USB Type-C support, and Realtek RTL8111H 1Gbps LAN. The motherboard integrates MSI Center software for unified control of system features, Mystic Light RGB synchronization, and advanced BIOS options through Click BIOS 5.
- AMD B550 chipset with Socket AM4 support
- Supports AMD Ryzen 5000, 5000G, 4000G, 3000, and 3000G series processors
- 4x DDR4 DIMM slots, up to 128GB, speeds to 4400+ MT/s (OC)
- 1x PCIe 4.0 x16 slot, 2x PCIe 3.0 x1 slots
- 1x M.2 PCIe 4.0 (CPU), 1x M.2 PCIe 3.0 (Chipset)
- 4x SATA 6G ports with RAID support
- Realtek ALC897 7.1-channel audio with Audio Boost
- Realtek RTL8111H 1Gbps LAN
- USB 5Gbps Type-A and Type-C front connectors
- Frozr AI Cooling with auto fan detection
- EZ Debug LED and EZ Mounting features
- Mystic Light RGB with ARGB V2 support
- Click BIOS 5 with A-XMP profiles
- MSI Center software suite included
- Micro-ATX form factor (243.84 x 243.84mm)
- Supports Windows 11/10 64-bit
Specifications
- Chipset
- AMD B550
- CPU
- Supports AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series and 3000 G-Series desktop processors Socket AM4
- Memory
- 4x DDR4, Maximum Memory Capacity 128GB Memory Support DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733/ 3866/ 4000/ 4133/ 4266/ 4400+ MHz by A-XMP OC MODE Max. overclocking: • 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/s Supports 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, please refer to the Memory Compatibility List available on the product’s Support page or visit https://www.msi.com/support/.
- Onboard Graphics
- 1x HDMI™ Support HDMITM 2.1, maximum resolution of 4K 60Hz* 1x DisplayPort Supports DP 1.4, maximum resolution of 4K 60Hz* 1x VGA Support VGA, maximum resolution of 2048x1536 50Hz, 1920x1200 60Hz* *Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.
- Slot
- 1x PCI-E x16 slot 2x PCI-E x1 slot 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 x1 (From Chipset) *The supported specification depends on installed processor.
- Audio
- Realtek® ALC897 Codec 7.1-Channel High Definition Audio
- Storage
- 2x M.2 M.2_1 Source (From CPU) supports up to PCIe 4.0 x4 / SATA mode, supports 2280/2260/2242 devices M.2_2 Source (From Chipset) supports up to PCIe 3.0 x4 , supports 2280/2260/2242 devices 4x SATA 6G *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
- 2x USB 2.0 (Rear) 4x USB 2.0 (Front) 4x USB 5Gbps Type A (Rear) 2x USB 5Gbps Type A (Front) 1x USB 5Gbps Type C (Front)
- LAN
- Realtek® RTL8111H 1Gbps LAN
- Internal IO
- 1x Power Connector(ATX_PWR) 1x Power Connector(CPU_PWR) 1x CPU Fan 2x System Fan 2x 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 ports 2x USB 5Gbps Type A ports 1x USB 5Gbps Type C ports
- LED FEATURE
- 4x EZ Debug LED
- BACK PANEL PORTS
- 1. VGA 2. USB 5Gbps Type-A 3. Keyboard / Mouse 4. LAN Port 5. Audio connectors 6. DisplayPort 7. HDMI™ 8. USB 2.0 9. USB 5Gbps Type-A
- OPERATING SYSTEM
- Support for Windows® 11 64-bit, Windows® 10 64-bit
- PCB Info
- mATX 243.84mmx243.84mm
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.