






🚀 Power your professional edge with ASUS Prime B550M-A/CSM — where speed meets stability.
The ASUS Prime B550M-A/CSM is a microATX commercial motherboard designed for 3rd Gen AMD Ryzen processors, featuring PCIe 4.0 for ultra-fast data transfer, robust 5X Protection III for system durability, and enterprise-grade management with ASUS Control Center Express. It supports up to 128GB DDR4 RAM, offers versatile connectivity including 1Gb LAN and USB 3.2 Gen 2 ports, and delivers stunning 4K visuals via HDMI 2.1, making it an ideal foundation for professional-grade computing.








| Brand | ASUS |
| Manufacturer | Asus |
| Model | PRIME B550M-A/CSM |
| Model Name | PRIME B550M-A/CSM |
| Model Year | 2020 |
| Product Dimensions | 26.29 x 5.16 x 27 cm; 594.21 g |
| Item model number | PRIME B550M-A/CSM |
| Memory Storage Capacity | 128 GB |
| Memory Slots Available | 4 |
| Ram Memory Installed Size | 128 GB |
| RAM memory maximum size | 128 GB |
| Ram Memory Technology | DDR4 |
| Processor Type | Others |
| Processor Socket | Socket AM4 |
| Compatible Processor Types | AMD 3rd Generation Ryzen |
| Processor model number | 3rd Gen AMD Ryzen™ Processors |
| Graphics Card Interface | PCI Express 4.0 |
| Compatible Devices | Personal Computer |
| Chipset Type | AMD AM4 |
| Number of items | 1 |
| Batteries Included | No |
| Batteries Required | No |
| Number of Ports | 14 |
| Total USB ports | 4 |
| Form Factor | Micro ATX |
| Does it contain liquid? | No |
| Manufacturer | Asus |
| Item Weight | 594 g |
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