MSI B550M-A PRO Motherboard, Micro-ATX - Supports AMD Ryzen 5000/3000 Series Processors, AM4 Socket, DDR4 Memory Boost 4600 OC, PCIe 4.0 x16, 1 x M.2 Slot, USB 3.2 Gen1, HDMI, Components
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- Powered by 3rd generation AMD Ryzen 9, Ryzen7, Ryzen 5 AM4 to maximize connectivity and speed with lightning M.2, PCIe 4.0, USB 3.2 Gen1 and up to 64GB of DDR4 (4600MHz).
- Core Boost technology combines optimized power circuit layouts and digital power design which allows for precise and steady current delivery to the CPU.
- AUDIO BOOST which rewards your ears with studio grade sound quality for the most immersive gaming experience.
- High level PCB design with a 2oz thickened copper ensure stable power supply, better durability and reliability for high-end CPU.
- Dragon Center: A brand new software which integrates all MSI exclusive tools with user friendly user interface.
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MSI is the most trusted name in gaming and eSports. We’ve dedicated countless hours and committed numerous resources to support the world’s most aspiring and best gamers and use their knowledge and expertise in our products in return. MSI integrated all gamer’s inspirational functions in its gaming rigs and pushing the performance beyond limits.
B550M-A PRO Motherboard
Advancing Ascension
Experience the new generation of the B550M-A PRO motherboard powered by AMD 5000 & 3000 series (not compatible with AMD Ryzen 5 3400G & Ryzen 3 3200G) and 4000 G-Series Desktop Processors. Outperform your system's capacity with Lightning Gen 4 solution. Exclusive DDR4 Boost and Core Boost are created to keep you one step ahead of your competition. 2oz thickened copper help your PC remain cool, high performing and reliable.
Supports Ryzen 5000 series processors
Designed for AMD Ryzen processors with Lightning Gen 4 M.2, PCIe 4.0
High level PCB design with a 2oz thickened copper ensure stable power supply, better durability and reliability for high-end CPU.
Core Boost technology combines premium layout and a digital power design which allows for faster and undistorted current delivery to the CPU at pin-point precision.
Reliability and Connectivity
Core Boost
Core Boost technology combines MSI’s premium layout and digital power design which allows for faster and undistorted current delivery to the CPU at pin-point precision. This creates the perfect conditions for multi-core CPU while doing overclocking.
PCB with 2OZ Thickened Copper
An enhanced PCB design with 2oz thickened copper increases conductivity, improving heat dissipation and performance reliability especially during overclocking.
Lightning Gen4 Solution
The latest Gen4 PCI-E and M.2 solution with up to 64GB/s bandwidth for maximum transfer speed. PCIe 4.0 maintains both backward and forward compatibility with older and newer specifications.
EZ Debug LED
Run into trouble? Onboard LEDs for key components will indicate the source of the problem so you know exactly where to look to get up and running again.
Product details






| Main Specification | |
|---|---|
| 制造商 | MSI, Micro-Star INT'L CO., LTD. No.69, Lide St., Zhonghe Dist., New Taipei City 235, Taiwan http://www.msi.com. |
| 单位数 | 1.0 计数 |
| 项目维度L x W x H | 23.6L x 20W x 5H Centimeters |
| 港口数量 | 18 |
| 品牌 | Msi |
| 项目数 | 页:1 |
| CPU Socket | Socket AM4 |
| 内存技术 | DDR4 |
| Compatible Processors | AMD 3rd Generation Ryzen |
| Chipset Type | AMD B550 |
| Memory Clock Speed | 2133 MHz |
| Platform | Windows 10 |
| 型号名称 | B550M-A PRO |
| 最大存储大小 | 64 GB |
| 兼容设备 | 个人计算机 |
| 全球贸易识别号码 | 04719072752613 |
| Product information | |
| USB 港口共计 | 9 |
| Technical Details | |
| 制造商部分编号 | B550M-A PRO |
| 主电源连接器类型 | 24-Pin |
| Item details | |
| 型号 | 7C96-008 |
| 项目类型名称 | Motherboard |
| Others | |
| 包装联系人信息 | Micro-Star INT'L CO. or LTD. No.69 or Lide St. or Zhonghe Dist. or New Taipei City 235 or Taiwan http://www.msi.com. |
| 导入者联系人信息 | Acro Engineering Company or C-87 DDA Sheds or Okhla Industrial Area or Phase-1 or New Delhi 110020 |
| 产品类型 | Motherboard |
| 制造商联系信息 | Micro-Star INT'L CO., LTD. No.69, Lide St., Zhonghe Dist., New Taipei City 235, Taiwan http://www.msi.com. |
| 图形卡接口 | PCI Express |
| 驱动记忆存储能力 | 64 GB |
| 处理器套装 | Socket AM4 |
| HDMI 港口共计 | 页:1 |
| 可用的内存槽 | 2 |
| System Bus Standard Supported | SATA 3 |
| Total SATA Ports | 4 |
| Number of Ethernet Ports | 1 |
| Total PCIe Ports | 1 |
| SPDIF Connector Type | Optical |
| USB 20 | 2 |
| S/PDIF Connector Type | Optical |
| USB 2.0 | 2 |






