Motherboard - MSI PRO B550-S ATX AM4 Motherboard
Product reference: 14-4711377471282

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.

Motherboard - MSI PRO B550-S ATX AM4 Motherboard

Product reference: 14-4711377471282

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.

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171,80 €
Product in warehouse

Guarantee
24 month

Delivery from Europe in
8 - 9
business days

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MSI PRO B550-S ATX AM4 Motherboard


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.


  • An ATX motherboard featuring the AMD B550 chipset for compatible AMD Ryzen processors.
  • Four DDR4 memory slots support up to 128 GB of dual-channel memory.
  • Two M.2 slots and four SATA ports provide support for SSDs and hard drives.
  • Gigabit Ethernet, USB Type-C, and 7.1-channel audio provide the connectivity and audio features you need for everyday use.

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
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