MSI PRO B550-S - ATX motherboard with AMD B550 chipset and AM4 socket, compatible with Ryzen 3000 and 5000 series processors. It has four DDR4 memory slots, two M.2 slots, four SATA connectors and a Gigabit Ethernet port.
MSI PRO B550-S - ATX motherboard with AMD B550 chipset and AM4 socket, compatible with Ryzen 3000 and 5000 series processors. It has four DDR4 memory slots, two M.2 slots, four SATA connectors and a Gigabit Ethernet port.





MSI PRO B550-S - ATX motherboard with AMD B550 chipset and AM4 socket, compatible with Ryzen 3000 and 5000 series processors. It has four DDR4 memory slots, two M.2 slots, four SATA connectors and a Gigabit Ethernet port.
Guarantee
24 month
Delivery from Europe in
8 - 9
business days
The MSI PRO B550-S is an ATX motherboard featuring the AMD B550 chipset and the AM4 socket, supporting compatible Ryzen 3000 and Ryzen 5000 series processors. It features four DDR4 memory slots, two M.2 slots, four SATA connectors, and a Gigabit Ethernet port.
Product Information | |
|---|---|
| Product Type | Motherboard |
| Brand | MSI |
| Model | PRO B550-S |
| Processor Socket | AM4 |
| Compatible processor series | AMD Ryzen 3000, Ryzen 4000 G-Series, Ryzen 5000, and Ryzen 5000 G-Series |
| Memory type | DDR4-SDRAM, DIMM, dual-channel, unbuffered, non-ECC |
| Supported memory frequencies | 2,667-4,866 MHz (supported frequencies vary by configuration) |
| Audio chip | Realtek ALC897 |
| Network controller | Realtek RTL8111H |
| Wireless LAN | Not supported |
| Rear I/O connectors | 1 USB Type-C, 2 USB 3.2 Gen 1 Type-A, 4 USB 2.0, 1 HDMI, and 1 RJ-45 Ethernet port |
| Internal connectors | CPU fan, front panel, intrusion detection, TPM, RGB LED, 24-pin ATX power, front panel audio connectors, 3 USB 3.2 Gen 1 headers and 4 USB 2.0 headers |
| Expansion slots | 2 PCIe x16 and 1 PCIe x1 |
| Supported RAID levels | 0, 1, 10 |
| Cable included | SATA |
| 304.8 × 243.8 mm (width × depth) | |
| Safety Warning | Install and use the motherboard only for its intended purpose. Disconnect power before installing or touching the motherboard and follow the instructions of the component and chassis manufacturers. |
| Height | 100 mm |
| Length | 500 mm |
| Weight | 1500 g |
| Width | 400 mm |