MSI B550M-A PRO Manuel D'instructions page 7

Overview of Components
SYS_FAN1
PCI_E1
JTPM1
M2_1
PCI_E2
JAUD1
* Distance from the center of the CPU to the nearest DIMM slot.
Processor Socket
CPU_PWR1
JCOM1
JCI1
JUSB1
JUSB2
CPU_FAN1
50.89mm*
SATA2
SATA1
JUSB3
JBAT1
DIMMA1
DIMMB1
ATX_PWR1
SATA4
SATA3
JFP2
JFP1
Overview of Components
7