Description
MSI PRO B550M-B AMD DDR4 Motherboard
The PRO Series is tailored to professionals from all walks of life. The lineup features impressive performance and high quality, while aiming to provide users incredible experience. Users who care about productivity and efficiency can definitely count on the MSI PRO Series to assist you with multitasking and increasing efficiency.
| Chipset | AMD B550 |
| CPU Support | Supports AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series, and 3000 G-Series Desktop Processors |
| Socket | AM4 |
| Memory | 2 × DDR4 DIMM Slots Maximum Capacity: 64GB Supports DDR4 2667 / 2800 / 2933 / 3000 / 3066 / 3200 / 3466 / 3600 / 3733 / 3866 / 4000 / 4133 / 4266 / 4400 / 4600+ MHz (A-XMP OC Mode) Maximum Overclocking Frequency • 1DPC 1R: Up to 4600+ MHz • 1DPC 2R: Up to 3866+ MHz Supports JEDEC Speed Supports Dual-Channel Mode Supports Non-ECC, Unbuffered Memory Supports Memory Overclocking via A-XMP OC Mode |
| Onboard Graphics | 1 × HDMI™ (HDMI 2.1, up to 4K @ 60Hz)* 1 × DisplayPort (DP 1.2, up to 4K @ 60Hz)* *Available only with processors featuring integrated graphics. |
| Expansion Slot | 1 × PCIe x16 Slot PCI_E1: PCIe 4.0 x16 (From CPU) *Supported specification depends on the installed processor. |
| Audio | Realtek® ALC897 Codec 7.1-Channel High Definition Audio |
| Storage | 2 × M.2 Slots • M.2_1 (CPU): PCIe 4.0 x4 / SATA, supports 2242 / 2260 / 2280 • M.2_2 (Chipset): PCIe 3.0 x4, supports 22110 / 2280 4 × SATA 6Gb/s Ports *Supported specification depends on the installed processor. |
| RAID Support | SATA: RAID 0, RAID 1, RAID 5, RAID 10 M.2 NVMe: RAID 0, RAID 1, RAID 10 |
| USB | Rear: • 2 × USB 2.0 • 4 × USB 5Gbps Type-A Front: • 4 × USB 2.0 • 2 × USB 5Gbps Type-A • 1 × USB 5Gbps Type-C |
| LAN | Realtek® RTL8111H 1Gbps LAN |
| Internal I/O | 1 × 24-pin ATX Power Connector 1 × 8-pin CPU Power Connector 1 × CPU Fan Header 1 × System Fan Header 2 × Front Panel Headers (JFP) 1 × Chassis Intrusion Header (JCI) 1 × Front Audio Header (JAUD) 1 × COM Port Header (JCOM) 3 × Addressable RGB Gen2 Headers (JARGB_V2) 1 × RGB LED Header (JRGB) 1 × TPM 2.0 Header 4 × USB 2.0 Ports (Internal) 2 × USB 5Gbps Type-A Ports (Internal) 1 × USB 5Gbps Type-C Port (Internal) |
| LED Features | 4 × EZ Debug LEDs |
| Back Panel Ports | HDMI™ DisplayPort PS/2 Keyboard/Mouse Port USB 5Gbps Type-A Ports LAN Port Audio Connectors USB 2.0 Ports |
| Operating System | Windows® 11 64-bit Windows® 10 64-bit |
