- Stock: In Stock
- Brand: MSI
- Model: MSI PRO B550M-B AMD AM4 mATX Motherboard
Key Features
- Chipset AMD B550
- Form Factor mATX 220mmx243.84mm
- Supported CPU Supports AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series and 3000 G-Series desktop...
- Audio Realtek ALC897 Codec 7.1-Channel High Definition Audio
- M.2 Socket 2x M.2 M.2_1 Source (From CPU) supports up to PCIe 4.0 x4 / SATA mode, supports...
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| Basic Information | |
| Chipset | AMD B550 |
| Form Factor | mATX 220mmx243.84mm |
| Supported CPU | Supports AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series and 3000 G-Series desktop processors Socket AM4 |
| Audio | Realtek ALC897 Codec 7.1-Channel High Definition Audio |
| Expansion Slots | |
| M.2 Socket | 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 22110/2280 devices |
| PCI | 1x PCI-E x16 slot PCI_E1 Gen PCIe 4.0 supports up to x16 (From CPU) |
| Graphics | |
| Graphics | 1x HDMI Support HDMITM 2.1, maximum resolution of 4K 60Hz* 1x DisplayPort Supports DP 1.2, maximum resolution of 4K 60Hz* *Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed. |
| Memory | |
| Slots | 2x DDR4 |
| Supported Memory | Memory Support DDR4 2667/ 2800 /2933 /3000 /3066 /3200 /3466 /3600/ 3733 /3866 /4000 /4133 /4266 /4400/ 4600+ MHz by A-XMP OC MODE Max. overclocking frequency: • 1DPC 1R Max speed up to 4600+ MHz • 1DPC 2R Max speed up to 3866+ MHz |
| Maximum Memory | up to 64GB |
| Connector & Ports | |
| Audio | 1x Front Audio (JAUD) |
| HDMI | 1x HDMI 2.1 port |
| Internal I/O Ports | 1x Power Connector(ATX_PWR) 1x Power Connector(CPU_PWR) 1x CPU Fan 1x System Fan 2x Front Panel (JFP) 1x Chassis Intrusion (JCI) 1x Front Audio (JAUD) 1x Com Port (JCOM) 3x 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 2x USB 5Gbps Type A ports 1x USB 5Gbps Type C ports |
| LAN Port (s) | 1 x Realtek RTL8111H 1Gbps LAN |
| Supported 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 22110/2280 devices 4x SATA 6G |
| TPM (Trusted Platform Module ) | 1x TPM module connector |
| USB (s) | 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) |
| Display Ports (s) | 1x DisplayPort 1.2 |
| Other Features | |
| Special Features | 4x EZ Debug LED |
| Warranty Details | |
| Manufacturing Warranty | 3 Years |
MSI PRO B550M-B AMD AM4 mATX Motherboard
The MSI PRO B550M-B Motherboard is a dependable and efficient MSI AMD Motherboard designed for mainstream PC builders who want stability, performance, and essential features at a great value. Built on the AMD B550 chipset with support for the AM4 socket, it is fully compatible with a wide range of AMD Ryzen 3000, 4000, and 5000 series processors, making it a versatile choice for gaming and productivity. With support for DDR4 memory up to 128GB and speeds reaching 4400+ MHz (OC), this MSI 550 Motherboard ensures smooth multitasking and fast responsiveness. It features PCIe 4.0 support for next-gen graphics cards and NVMe SSDs, delivering ultra-fast data transfer speeds and future-proof expansion. Storage options include M.2 slots with PCIe 4.0/3.0 support and multiple SATA ports, giving flexibility for both high-speed SSDs and traditional drives. Connectivity is practical with USB 3.2 Gen1 ports, HDMI and DVI-D outputs, and Gigabit LAN, ensuring stable networking and versatile display options. Enhanced with Core Boost technology, Audio Boost, and premium thermal solutions, the MSI PRO B550M-B provides reliable power delivery, improved sound quality, and efficient cooling for long-term durability. Compact in micro-ATX form factor, it fits easily into smaller cases while still offering robust functionality. Whether you’re building a budget-friendly gaming rig or a productivity workstation, the MSI PRO B550M-B Motherboard delivers dependable performance, essential features, and MSI’s trusted quality.
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