MSI MPG B550 User Manual

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Contents
Contents
Safety Information ................................................................................................. 3
Specifications ......................................................................................................... 4
Package contents ................................................................................................ 10
Rear I/O Panel ..................................................................................................... 11
LAN Port LED Status Table .................................................................................. 11
Audio Ports Configuration .................................................................................... 11
Realtek Audio Console ......................................................................................... 12
Overview of Components .................................................................................... 15
Processor Socket ................................................................................................. 16
DIMM Slots ............................................................................................................ 17
PCI_E1~5: PCIe Expansion Slots .......................................................................... 18
SATA1~6: SATA 6Gb/s Connectors ....................................................................... 19
M2_1~2: M.2 Slots (Key M) ................................................................................... 19
JFP1, JFP2: Front Panel Connectors ................................................................... 21
JAUD1: Front Audio Connector ............................................................................ 21
CPU_PWR1~2, ATX_PWR1: Power Connectors ................................................... 22
JUSB4: USB 3.2 Gen 1 5Gbps Type-C Connector ................................................. 23
JUSB3: USB 3.2 Gen 1 5Gbps Connector ............................................................. 23
JUSB1~2: USB 2.0 Connectors ............................................................................. 24
JTPM1: TPM Module Connector ........................................................................... 24
CPU_FAN1, PUMP_FAN1, SYS_FAN1~6: Fan Connectors .................................. 25
JCI1: Chassis Intrusion Connector ....................................................................... 26
T_SEN1: Thermal Sensor Connectors ................................................................. 26
JBAT1: Clear CMOS (Reset BIOS) Jumper ........................................................... 27
CLR_COMS1: Clear CMOS (Reset BIOS) Button .................................................. 27
JRGB1: RGB LED connectors ............................................................................... 28
JCORSAIR1: CORSAIR Connector ........................................................................ 29
JRAINBOW1~2: Addressable RGB LED connectors ............................................ 30
EZ Debug LED ....................................................................................................... 31
LED_SW1: EZ LED Control ................................................................................... 31
JPWRLED1: LED power input ............................................................................... 31

MSI MPG B550 Specifications

General

Form Factor	ATX
Chipset	AMD B550
Max Memory	128GB
Memory Type	DDR4
M.2 Slots	2
SATA Ports	6
Socket	AM4
Memory Slots	4
Memory Speed	4400MHz (OC)
Network	2.5G LAN
Wi-Fi	Wi-Fi 6 (802.11ax)
Bluetooth	Bluetooth 5.1
RGB Support	Mystic Light