-550x550.png "MSI B550M-A PRO DDR4 AMD AM4 Micro ATX Motherboard")
-550x550.png "MSI B550M-A PRO DDR4 AMD AM4 Micro ATX Motherboard")
-550x550.png "MSI B550M-A PRO DDR4 AMD AM4 Micro ATX Motherboard")
-550x550.png "MSI B550M-A PRO DDR4 AMD AM4 Micro ATX Motherboard")
-550x550.png "MSI B550M-A PRO DDR4 AMD AM4 Micro ATX Motherboard")
-80x80.png "MSI B550M-A PRO DDR4 AMD AM4 Micro ATX Motherboard")
-80x80.png "MSI B550M-A PRO DDR4 AMD AM4 Micro ATX Motherboard")
-80x80.png "MSI B550M-A PRO DDR4 AMD AM4 Micro ATX Motherboard")
-80x80.png "MSI B550M-A PRO DDR4 AMD AM4 Micro ATX Motherboard")
-80x80.png "MSI B550M-A PRO DDR4 AMD AM4 Micro ATX Motherboard")
| Basic Information | |
| Chipset | AMD B550 Chipset |
| Supported CPU | Supports AMD Ryzen 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen 5 3400G & Ryzen 3 3200G) and AMD Ryzen 4000 G-Series desktop processors |
| Audio | Realtek ALC892/ALC897 Codec |
| Expansion Slots | |
| M.2 Socket | 1 x M.2 Socket |
| PCI | PCI-E X16 x 1 PCI-E (Gen4 / Gen3) |
| Memory | |
| Slots | 1x PCIe 3.0 x1 slot 1 1x PCIe 4.0/3.0 x16 slot The supported specification depends on the installed processor. |
| Supported Memory | 2x DDR4 memory slots, support up to 64GB 1 Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC Supports DDR4 2667/ 2800 /2933 /3000 /3066 /3200 /3466 /3600/ 3733 /3866 /4000 /4133 /4266 /4400/ 4600+ MHz by A-XMP OC MODE 1DPC 1R max speed 4600 MHz 1DPC 2R max speed 3866 MHz Dual-channel memory architecture Supports non-ECC UDIMM memory Supports ECC UDIMM memory (non-ECC mode) Supports un-buffered memory |
| Type | DDR4 |
| Maximum Memory | 64GB |
| Connector & Ports | |
| Audio | 7.1-Channel High Definition Audio |
| HDMI | 1 x HDMI |
| Internal I/O Ports | 1x 24-pin ATX main power connector 1x 4-pin ATX 12V power connector 4x SATA 6Gb/s connectors 1x M.2 slots (M-Key) 1x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports) 2x USB 2.0 connectors (supports additional 4 USB 2.0 ports) 1x 4-pin CPU fan connector 1x 4-pin system fan connectors 1x Front panel audio connector 2x System panel connectors 1x Chassis Intrusion connector 1x Clear CMOS jumper |
| LAN Port (s) | 1x Realtek RTL8111H Gigabit LAN |
| Supported Storage | AMD B550 Chipset 4x SATA 6Gb/s ports 1x M.2 slot (Key M) (from AMD Processor) Supports PCIe 4.0/ 3.0 Supports SATA 6Gb/s Supports 2242/ 2260/ 2280 storage devices The supported specification depends on the installed processor. Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices Supports RAID 0 and RAID 1 for M.2 NVMe storage devices |
| TPM (Trusted Platform Module ) | 1 x TPM module connector |
| USB (s) | AMD B550 Chipset 2x USB 3.2 Gen 1 5Gbps ports are available through the internal USB 3.2 Gen 1 5Gbps connector 6x USB 2.0 ports (2 Type-A ports on the back panel, 4 ports through the internal USB 2.0 connectors) AMD Processor 4x USB 3.2 Gen 1 5Gbps Type-A ports on the back panel |
| Warranty Details | |
| Warranty | 3 Years Warranty |
MSI B550M-A PRO DDR4 AMD AM4 Micro ATX Motherboard
The MSI B550M-A PRO DDR4 AMD AM4 Micro ATX Motherboard is designed to deliver durability, stability, and high-speed performance for your AMD system build. It supports AMD Ryzen 3000, 4000, and 5000 series processors, making it a versatile choice for both productivity and gaming setups.
With dual-channel DDR4 memory support up to 128GB and speeds up to 4400+ MHz (OC), this board ensures smooth multitasking and enhanced performance. Its PCIe 4.0 slot provides next-gen graphics card and storage compatibility, while M.2 slots with PCIe 4.0 and 3.0 ensure ultra-fast NVMe SSD performance.
The B550M-A PRO comes with Core Boost technology, premium thermal design with extended heatsinks, and multiple fan headers for improved cooling. Connectivity options include USB 3.2 Gen1, HDMI, DVI-D, and Gigabit LAN, offering flexible and fast connections for modern devices.
Built with MSI’s PRO Series reliability, this Micro ATX motherboard also features Audio Boost for enhanced sound quality, making it suitable for both work and entertainment.
Buy The MSI B550M-A PRO DDR4 AMD AM4 Micro ATX Motherboard from Tech Heaven IT
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