| Brand |
MSI |
| Model |
PRO B550M-P-WIFI6E DDR4 |
| CPU Support |
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 |
| CPU Brand |
AMD |
| Socket |
AM4 |
| Chipset |
AMD B550 |
| Memory Support |
4 x 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 frequency:
• 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 https://www.msi.com/support/. |
| Maximum Memory Bus |
4400 |
| Graphics |
1x HDMI™
Support HDMITM 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. |
| Multi Graphic Support |
None |
| Audio |
Realtek® ALC897 Codec
7.1-Channel High Definition Audio |
| Expansion Slots |
1 x PCI-E x16 slot
2 x 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. |
| Maximum PCIe Version |
PCIe 4.0 |
| Storage |
2 x 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
4 x SATA 6G
*The supported specification depends on installed processor.
Supports RAID 0, RAID 1, and RAID 10 for SATA storage devices
Supports RAID 0 and RAID 1 for M.2 NVMe storage devices |
| M.2 Storage Type Support |
NVMe, SATA |
| M.2 Slot |
2 |
| USB |
2 x USB 2.0 (Rear)
4 x USB 2.0 (Front)
4 x USB 5Gbps Type A (Rear)
2 x USB 5Gbps Type A (Front)
1 x USB 5Gbps Type C (Front) |
| Internal I/O Connectors |
1 x Power Connector(ATX_PWR)
1 x Power Connector(CPU_PWR)
1 x CPU Fan
2 x System Fan
2 x Front Panel (JFP)
1 x Chassis Intrusion (JCI)
1 x Front Audio (JAUD)
1 x Com Port (JCOM)
2 x Addressable V2 RGB LED connector (JARGB_V2)
2 x RGB LED connector(JRGB)
1 x TPM pin header(Support TPM 2.0)
4 x USB 2.0 ports
2 x USB 5Gbps Type A ports
1 x USB 5Gbps Type C ports |
| Back Panel Connectors |
1 x Keyboard / Mouse
2 x USB 2.0
4 x USB 5Gbps Type-A
1 x VGA
1 x HDMI™
1 x DisplayPort
1 x LAN Port
Wi-Fi / Bluetooth
Audio connectors |
| LAN |
Realtek® RTL8111H 1Gbps LAN |
| Wireless Data Network |
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. |
| Form Factor |
Micro ATX |
| H/W Monitoring |
N/A |
| BIOS |
N/A |
| Special Features |
LED FEATURE : 4x EZ Debug LED |
| Software Features |
N/A |
| Operating System Support |
Support for Windows® 11 64-bit, Windows® 10 64-bit |
| Package Contents |
N/A |