

MSI B550-A PRO
Key Features
- Socket
- AM4
- Chipset
- AMD B550
- Form Factor
- ATX
- Memory Type
- DDR4
- M.2 Slots
- 2 x M.2
Price comparison • £94.99 to £108.35 • See more in Motherboards
Price History
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Product Description
The MSI B550-A PRO includes 1 GbE ethernet, supporting standard wired network speeds for everyday gaming or productivity. This board features the AM4 socket, ensuring compatibility with a wide range of AMD Ryzen processors. Its AMD B550 chipset provides PCIe 4.0 support and a solid foundation for current-generation components. Read More...
You'll find an ATX form factor here, offering ample room for expansion and multiple add-in cards. The two M.2 slots support one Gen4 and one Gen3 drive, allowing both high-speed NVMe storage and broader SSD compatibility. Four DIMM slots support up to 128 GB of DDR4 memory, giving demanding users plenty of headroom for multitasking and content creation.
Product Information
| Product Name | MSI B550-A PRO |
|---|---|
| Brand | MSI |
| Model Number | B550-A PRO |
Product Features
| Socket | AM4 |
|---|---|
| Chipset | AMD B550 |
| Form Factor | ATX |
| Memory Type | DDR4 |
| Max Memory | 128 GB |
| Memory Slots | 4 x DIMM |
| Memory Speed Support | DDR4-4400 (OC) / DDR4-3200 (JEDEC) |
| M.2 Slots | 2 x M.2 |
| M.2 Support | 1 x Gen4; 1 x Gen3 |
| SATA Ports | 6 x SATA |
| PCIE x16 Slots | 2 x PCIe x16 |
| Primary Pcie Version | PCIe 4.0 |
| Ethernet | 1 GbE |
| Rear USB | 1 x USB‑C 10 Gbps; 1 x USB‑A 10 Gbps; 2 x USB‑A 5 Gbps; 4 x USB‑A 480 Mbps |
| Internal USB Headers | 1 x USB‑C header; 2 x USB 3.2 Gen 1 headers; 2 x USB 2.0 headers |
| CPU Power | 1 x 8‑pin EPS |
| RGB Headers | 1 x RGB; 2 x ARGB |

