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| SPECIFICATIONS | |
| Brand | MSI |
| Series | AMD Motherboards |
| Model | B550M-A PRO |
| 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 |
| Memory | 2x DDR4 Memory Slots, Support Up to 64GB |
| 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 | |
| Expansion Slots | 1x PCIe 3.0 x1 Slot *1 |
| 1x PCIe 4.0/3.0 x16 Slot | |
| On-Board Graphics | 1x HDMI 1.4 Port, Supports a Maximum Resolution of 4096x2160 @60Hz *2, *3 |
| Support for HDMI 1.4 Version, HDCP 1.4 & 2.3 | |
| 1x DVI-D Port, Supports a Maximum Resolution of 1920x1200@60Hz *2 | |
| Maximum Shared Memory of 16 GB | |
| Storage | AMD B550 Chipset |
| 4x SATA 6Gb/s Ports | |
| 1x M.2 Slot (Key M) (from AMD Processor) | |
| Supports PCIe 4.0/ 3.0 *1 | |
| Supports SATA 6Gb/s | |
| Supports 2242/ 2260/ 2280 Storage Devices | |
| RAID | Supports RAID 0, RAID 1 and RAID 10 for SATA Storage Devices |
| Supports RAID 0 and RAID 1 for M.2 NVMe Storage Devices | |
| USB | 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 | |
| Audio | Realtek ALC892/ALC897 Codec |
| 7.1-Channel High Definition Audio | |
| LAN | 1x Realtek RTL8111H Gigabit LAN Controller |
| Internal Connectors | 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 | |
| 1xTPM Module Connector | |
| 1x Clear CMOS Jumper | |
| Back Panel Ports | LAN Port |
| 1x HDMI | |
| 1x DVI-D | |
| Keyboard / Mouse | |
| 4x USB 3.2 Type-A Gen 1 5Gbps | |
| 2x USB 2.0 Type-A Ports | |
| 3x Audio Connectors | |
| Mounting | 8 Mounting Holes |
| Dimensions | Micro-ATX Form Factor |
| 9.3 in. x 7.9 in. (23.6 cm x 20 cm) | |
| Notes | *1 The supported specification depends on installed processor. |
| *2 Available for the processor with integrated graphics. | |
| *3 Graphics specifications may vary depending on the CPU installed. | |
| Warranty Information | |
| Warranty | 3 Year Warranty |
| Manufacturer's Site | Visit the manufacturer's website |
|---|---|
| Product Link | Visit the manufacturer's page for this product |
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