The MSI B550M-A PRO AM4 ATX Motherboard supports all the latest storage standards, which allows users to connect any ultra-fast storage device. It features enhanced audio, advanced LAN networking capabilities, Lightning Gen 4 M.2 and PCIe 4.0 support as well as support for the latest AMD RYZEN™ Processors to turn any gaming experience into an immerse one.

SKU: B550M-A PRO Category: Tag:


Support 3rd Gen AMD Ryzen™ Desktop Processors and AMD Ryzen™ 4000 G-Series Desktop Processors
Supports DDR4 Memory, up to 4600(OC) MHz
Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2
Core Boost: With premium layout and digital power design to support more cores and provide better performance
DDR4 Boost: Advanced technology to deliver pure data signals for the best performance and stability
2oz Thickened Copper PCB: An enhanced PCB design improves heat dissipation and performance reliability
Audio Boost: Reward your ears with studio grade sound quality
Dragon Center: A brand new software which integrates all MSI exclusive tools with user friendly user interface.
Socket: AMD Socket AM4
CPU (Max Support): Support 3rd Gen AMD Ryzen™ Desktop Processors and AMD Ryzen™4000 G-Series Desktop Processors
Chipset: AMD® B550 Chipset
DDR4 Memory: Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC / Supports DDR4 2667/ 2800 /2933 /3000 /3066 /3200 /3466 /3600/ 3733 /3866 /4000 /4133 /4266 /4400/ 4600+ MHz by A-XMP OC Mode
Memory Channel: Dual
DIMM Slots: 2
Max Memory (GB): 64
PCI-E x16: 1
PCI-E Gen: Gen4 / Gen3
PCI-E x1: 1
M.2 Slot: 1
RAID: 0/1/10
TPM (header): 1
LAN: 1x Realtek® RTL8111H Gigabit LAN
USB 3.2 ports (Front): 2(Gen 1, Type A)
USB 3.2 ports (Rear): 4(Gen 1, Type A)
USB 2.0 ports (Front): 4
USB 2.0 ports (Rear): 2
Audio ports (Rear): 3 HD audio connectors
DVI-D: 1
DirectX: 12
Form Factor: MATX
Operating System: Support for Windows® 10 64-bit
MSI B550M-A PRO AM4 ATX Motherboard – Black x1
SATA cables x2
I/O Shield x1
Driver DVD x1
Quick Install Guide x1

Additional information

Weight 2 kg
Dimensions 20 × 20 × 20 cm