| Specification | Details |
|---|---|
| Processor Socket | AM4 |
| Chipset | AMD B550 |
| Form Factor | ATX |
| Expansion Slots | Dual |
| PCIe x16 | 4 |
| Maximum Memory | 128 GB |
| SATA III Ports | 4 |
| M.2 Slots | 2 |
| PCIe 4.0/3.0 | 8 |
| SATA RAID Support | 0/1/10 |
| USB 3.2 Gen 1 Ports | 1 (Type C), 2 (Type A) |
| USB 3.2 Gen 2 Ports | 1 (Type C), 1 (Type A), 2 (Type A) |
| USB 2.0 Ports | 4 |
| Ethernet Ports | 4 |
| Audio Codec | Realtek ALC892/ALC897 |
| HDMI Ports | 1 |
| DisplayPort | 1 |
| Maximum Display Support | 4 |
| BIOS Flash Button | Yes |
| Supported OS | Windows 10 64-bit |
Motherboard 
MSI B550-A PRO (CEC)
MSI B550-A PRO (CEC) for distributors! This motherboard supports a wide range of AMD Ryzen™ processors for exceptional performance. Experience lightning-fast speeds with PCIe 4.0 and Lightning Gen4 M.2. Enjoy premium thermal management and studio-grade audio. Plus, unleash your creativity with MSI Center software. Upgrade now for unstoppable productivity!
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