MSI PRO B550M-B Micro-ATX Motherboard AM4 AMD B550 DDR4 PCIe 4.0 Dual M.2 HDMI DisplayPort 1GbE
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MSI
MSI PRO B550M-B Micro-ATX Motherboard AM4 AMD B550 DDR4 PCIe 4.0 Dual M.2 HDMI DisplayPort 1GbE
€111.96 inc. VAT
7D14-023R
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Singular Selected
MSI PRO B550M-B Micro-ATX Motherboard
A reliable, budget-friendly AMD B550 micro-ATX board for AM4 Ryzen builds with PCIe 4.0 and Gen4 M.2.
AM4 · AMD B5502x DDR4 up to 64GBPCIe 4.0 · Gen4 M.2Micro-ATX
The MSI PRO B550M-B is a compact micro-ATX motherboard built on AMD's B550 chipset for Socket AM4 Ryzen 5000, 5000 G, 4000 G, 3000 and 3000 G series processors. It pairs a PCIe 4.0 x16 graphics slot and a CPU-connected PCIe 4.0 (Gen4) M.2 slot with a second M.2 and four SATA ports, plus two DDR4 DIMM slots supporting up to 64GB at DDR4-4600+ MHz (A-XMP OC). With HDMI 2.1, DisplayPort, USB-C 5Gbps and 1GbE LAN, it is a clean, dependable foundation for an everyday or value gaming PC.
Compatibility Note: This board uses the AMD AM4 socket and supports Ryzen 5000 / 5000G / 4000G / 3000 / 3000G series processors (a BIOS update may be required for some CPUs) — it does not support AM5 (Ryzen 7000 and newer). It accepts DDR4 memory only (not DDR5) across two DIMM slots, and has no onboard Wi-Fi. Please confirm your CPU and memory before purchase.
Best For
✓ Budget AM4 Ryzen builds
✓ Everyday & office PCs
✓ Value gaming systems
✓ Gen4 NVMe SSD setups
✓ Compact micro-ATX cases
✓ Ryzen 5000 upgrades
Key Features
AMD Ryzen on AM4
AMD B550 chipset and Socket AM4 support Ryzen 5000, 5000G, 4000G, 3000 and 3000G series processors for flexible, affordable builds.
PCIe 4.0 & Gen4 M.2
A PCIe 4.0 x16 graphics slot and a CPU-connected PCIe 4.0 (Gen4) M.2 slot deliver fast graphics and next-gen SSD speeds.
Dual M.2 + 4x SATA
Two M.2 slots plus four SATA 6G ports with RAID give plenty of flexible storage for an entry-level board.
Practical Connectivity
HDMI 2.1 and DisplayPort outputs, a front USB-C 5Gbps header and 1GbE LAN cover everyday connectivity needs.
Technical Specifications
Frequently Asked Questions
Singular Expert Insight
Choose the PRO B550M-B for an affordable AM4 Ryzen 5000 build where you want PCIe 4.0 and a Gen4 SSD without spending much. Note it has only two DIMM slots (64GB max) and no onboard Wi-Fi — if you need four DIMM slots or built-in Wi-Fi, step up to an MSI B550M PRO-VDH WIFI; for DDR5 and the newest CPUs, look at an AM5 B650/B850 board instead.
Buyer's Guide
Buy it if
You are building an affordable AM4 Ryzen 5000 PC and want PCIe 4.0 with a Gen4 SSD on a compact micro-ATX board.
Skip it if
You need four DIMM slots (more than 64GB), onboard Wi-Fi, or DDR5/AM5 — choose a higher-tier or AM5 board.
Also consider
MSI B550M PRO-VDH WIFI for 4 DIMM slots + Wi-Fi, or an AM5 B650/B850 board for DDR5 and newer Ryzen CPUs.
Χαρακτηριστικά
Product Code
04:593510
EAN Code
4711377428927
Manufacturer
MSI