Description
The MSI PRO B550M-B AM4 DDR4 Micro-ATX Motherboard is an AMD B550 motherboard for compatible Socket AM4 Ryzen processors. It provides DDR4 memory, PCIe 4.0 graphics support with compatible CPUs, dual M.2 storage, Gigabit LAN and HDMI plus DisplayPort outputs in a micro-ATX format.
MSI PRO B550M-B AM4 DDR4 Micro-ATX Motherboard Specifications and Features
Key Features
- AMD B550 Platform – Supports compatible Ryzen 5000, 5000 G, 4000 G, 3000 and 3000 G Series processors.
- DDR4 Memory – Two DIMM slots support up to 64GB with dual-channel operation and A-XMP.
- PCIe 4.0 Graphics – The primary x16 slot supports PCIe 4.0 with compatible processors.
- Dual M.2 Storage – Two M.2 slots are provided, including PCIe 4.0 capability on the CPU-connected slot with compatible processors.
- Gigabit LAN – Realtek RTL8111H Gigabit LAN provides wired connectivity.
- EZ Debug LED – Four EZ Debug LEDs provide basic component status indication.
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | MSI PRO B550M-B |
| CPU Socket | AMD Socket AM4 |
| Supported Processors | Ryzen 5000 / 5000 G / 4000 G / 3000 / 3000 G Series |
| Chipset | AMD B550 |
| Memory | 2 x DDR4 DIMM, up to 64GB |
| Memory Profile | A-XMP |
| Primary Expansion | PCIe 4.0 x16 with compatible processors |
| M.2 Storage | 2 x M.2 slots |
| SATA | 4 x SATA 6Gb/s |
| Ethernet | Realtek RTL8111H Gigabit LAN |
| Display Outputs | HDMI 2.1 and DisplayPort 1.2 |
| Audio | Realtek ALC897, 7.1-channel High Definition Audio |
| USB | Rear USB 5Gbps Type-A plus USB 2.0; front USB Type-C support |
| Debug Feature | 4 x EZ Debug LED |
| Form Factor | Micro-ATX |
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