MSI PRO B550M-P WiFi6E AM4 4XDDR4 mATX Motherboard

Chipset

AMD B550

CPU

Supports AMD Ryzen™ 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen™ 5 3400G & Ryzen™ 3 3200G) and AMD Ryzen™ 4000 G-Series desktop processors
Socket AM4

Memory

4x DDR4, Maximum Memory Capacity 128GB
Memory Support DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733/ 3866/ 4000/ 4133/ 4266/ 4400+ MHz by A-XMP OC MODE
Max. overclocking:
• 1DPC 1R Max speed up to 4400+ MT/s
• 1DPC 2R Max speed up to 3733+ MT/s
• 2DPC 1R Max speed up to 3866+ MT/s
• 2DPC 2R Max speed up to 3466+ MT/s

Supports JEDEC Speed
Supports Dual-Channel mode
Supports non-ECC, un-buffered memory
Supports Memory Overclocking by A-XMP OC mode

The DIMM slots on this motherboard have double-sided latches.
Memory compatibility and supported speeds can vary depending on the CPU and memory configuration. For detailed information, please refer to the Memory Compatibility List available on the product’s Support page or visit MSI Support.

Onboard Graphics

1x HDMI™
Support HDMI™ 2.1, maximum resolution of 4K 60Hz*
1x DisplayPort
Supports DP 1.4, maximum resolution of 4K 60Hz*
1x VGA
Support VGA, maximum resolution of 2048x1536 50Hz, 1920x1200 60Hz*
Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.

Slot

1x PCI-E x16 slot
2x PCI-E x1 slot
PCI_E1 Gen PCIe 4.0 supports up to x16 (From CPU)
PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset)
PCI_E3 Gen PCIe 3.0 supports up to x1 (From Chipset)
The supported specification depends on installed processor.

Audio

Realtek® ALC897 Codec
7.1-Channel High Definition Audio

Storage

2x M.2
M.2_1 Source (From CPU) supports up to PCIe 4.0 x4 / SATA mode, supports 2280/2260/2242 devices
M.2_2 Source (From Chipset) supports up to PCIe 3.0 x4, supports 2280/2260/2242 devices
4x SATA 6G
The supported specification depends on installed processor.

RAID

Supports RAID 0, RAID 1, and RAID 10 for SATA storage devices
Supports RAID 0 and RAID 1 for M.2 NVMe storage devices

USB

2x USB 2.0 (Rear)
4x USB 2.0 (Front)
4x USB 5Gbps Type A (Rear)
2x USB 5Gbps Type A (Front)
1x USB 5Gbps Type C (Front)

LAN

Realtek® RTL8111H 1Gbps LAN

Internal IO

1x Power Connector (ATX_PWR)
1x Power Connector (CPU_PWR)
1x CPU Fan
2x System Fan
2x Front Panel (JFP)
1x Chassis Intrusion (JCI)
1x Front Audio (JAUD)
1x Com Port (JCOM)
2x Addressable V2 RGB LED connector (JARGB_V2)
2x RGB LED connector (JRGB)
1x TPM pin header (Support TPM 2.0)
4x USB 2.0 ports
2x USB 5Gbps Type A ports
1x USB 5Gbps Type C ports

WIRELESS LAN & BLUETOOTH

Wi-Fi 6E
The Wireless module is pre-installed in the M.2 (Key-E) slot
Dual-band 1T1R mode
Supports MU-MIMO RX
Supports 2.4GHz/ 5GHz/ 6GHz* frequency band
Supports 802.11 a/b/g/n/ac/ax

Supports Bluetooth® 5.3**

The usage of Wi-Fi 6GHz band relies on Windows 11 support and depends on every country’s regulations.
*The Bluetooth version may be updated; please refer to the Wi-Fi chipset vendor’s website for details.

LED FEATURE

4x EZ Debug LED

BACK PANEL PORTS

1. USB 5Gbps Type-A
2. Keyboard / Mouse
3. LAN Port
4. Wi-Fi / Bluetooth
5. Audio connectors
6. DisplayPort
7. HDMI™
8. USB 2.0
9. USB 5Gbps Type-A

OPERATING SYSTEM

Support for Windows® 11 64-bit, Windows® 10 64-bit