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| Basic Information | ||
| 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 | |
| Chipset | AMD B550 Chipset | |
| Audio | Realtek ALC892/ALC897 Codec | |
| Type | DDR4 | |
| Memory Specifications | ||
| Maximum Memory | 64GB | |
| Slots | 1x PCIe 3.0 x1 slot 1<br> 1x PCIe 4.0/3.0 x16 slot<br> The supported specification depends on the installed processor. | |
| Supported Memory | 2x DDR4 memory slots, support up to 64GB 1<br> Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC<br> 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<br> 1DPC 2R max speed 3866 MHz<br> Dual-channel memory architecture<br> Supports non-ECC UDIMM memory<br> Supports ECC UDIMM memory (non-ECC mode) Supports un-buffered memory | |
| Expansion Slots | ||
| PCI | PCI-E X16 x 1<br> PCI-E (Gen4 / Gen3)<br> | |
| Motherboard | ||
| Supported Storage | AMD B550 Chipset<br> 4x SATA 6Gb/s ports<br> 1x M.2 slot (Key M) (from AMD Processor)<br> Supports PCIe 4.0/ 3.0<br> Supports SATA 6Gb/s<br> Supports 2242/ 2260/ 2280 storage devices<br> The supported specification depends on the installed processor.<br> <br> Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices<br> Supports RAID 0 and RAID 1 for M.2 NVMe storage devices | |
| Graphics | ||
| Max Shared Memory | 16 GB | |
| Graphics | 1x HDMI 2.1 port, supports a maximum resolution of 4096x2160 @60Hz<br> 1x DVI-D port, supports a maximum resolution of 1920x1200@60Hz<br> Available for the processor with integrated graphics.<br> Graphics specifications may vary depending on the CPU installed. | |
| Connector & Ports | ||
| HDMI | 1 x HDMI | |
| USB (s) | AMD B550 Chipset<br> 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)<br> AMD Processor<br> 4x USB 3.2 Gen 1 5Gbps Type-A ports on the back panel | |
| LAN Port (s) | 1x Realtek RTL8111H Gigabit LAN | |
| Audio | 7.1-Channel High Definition Audio | |
| Internal I/O Ports | 1x 24-pin ATX main power connector<br> 1x 4-pin ATX 12V power connector<br> 4x SATA 6Gb/s connectors<br> 1x M.2 slots (M-Key)<br> 1x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)<br> 2x USB 2.0 connectors (supports additional 4 USB 2.0 ports)<br> 1x 4-pin CPU fan connector<br> 1x 4-pin system fan connectors<br> 1x Front panel audio connector<br> 2x System panel connectors<br> 1x Chassis Intrusion connector<br> 1x Clear CMOS jumper | |
| TPM (Trusted Platform Module ) | 1 x TPM module connector | |
| Warranty Information | ||
| Manufacturing Warranty | 3 Years Warranty | |
The MSI B550M-A PRO motherboard is a reliable and well-rounded Micro-ATX platform designed for builders seeking stability, performance, and future-ready compatibility. Built on the AMD B550 chipset, it supports AMD Ryzen 5000 and 3000 Series processors, as well as Ryzen 4000 G-Series APUs, making it an excellent foundation for modern gaming, productivity, and everyday computing. With support for AMD’s PCIe 4.0 interface—when paired with a compatible Ryzen processor—the board provides enhanced bandwidth for next-generation graphics cards and ultra-fast NVMe SSDs. The board includes two DDR4 DIMM slots, supporting up to 64GB of dual-channel memory with speeds ranging from JEDEC-standard frequencies to 4600+ MHz via MSI’s A-XMP overclocking profiles. This ensures smooth multitasking capabilities and optimized system responsiveness for both mainstream and enthusiast use. For expansion, the B550M-A PRO features a PCIe 4.0/3.0 x16 slot for graphics cards and an additional PCIe 3.0 x1 slot for add-on cards. Storage options include four SATA 6Gb/s ports and a PCIe 4.0/3.0 M.2 slot supporting NVMe and SATA SSDs, allowing users to build fast and flexible storage solutions. RAID support for both SATA and NVMe devices further enhances data performance and reliability. Connectivity is robust, with four USB 3.2 Gen 1 Type-A ports on the rear panel, additional USB ports via onboard headers, and Realtek RTL8111H Gigabit LAN for stable wired networking. Integrated display options include HDMI 2.1 and DVI-D, enabling high-resolution output for processors with integrated graphics. The Realtek ALC892/897 audio codec delivers clear 7.1-channel high-definition sound for immersive entertainment. The MSI B550M-A PRO also includes essential internal connectors, such as fan headers, TPM support, front-panel audio, chassis intrusion detection, and a convenient Clear CMOS jumper. Backed by a 3-year manufacturing warranty, this motherboard offers durability, performance, and wide compatibility—making it an excellent choice for builders seeking a dependable and efficient Micro-ATX solution.
The latest price of MSI B550M-A PRO Motherboard in Bangladesh is 10,900৳ You can buy the MSI B550M-A PRO Motherboard at best price from our Website or visit any of our showrooms.
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