B550D4-4L
6
7
English
No.
Description
1
Front VGA Header (FRNT_VGA1)*
2
2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1, Blue)**
3
System Fan Connector (FAN1)
4
PSU SMBus (PSU_SMB1)
5
ATX Power Connector (ATXPWR1)
6
2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2, White)**
7
AM4 PGA 1331 Socket
8
ATX 12V Power Connector (ATX12V1)
9
System Fan Connector (FAN2)
10
SATA3 Connector (SATA1)
11
SATA3 Connector (SATA2)
12
SATA3 Connector (SATA3)
13
SATA3 Connector (SATA4)
14
System Fan Connector (FAN3)
15
System Fan Connector (FAN5)
16
ATX 4-Pin Power Connector (ATX12V2)
17
System Fan Connector (FAN6)
18
System Fan Connector (FAN4)
19
USB 3.2 Gen1 Header (USB3_5_6)
20
System Panel Header (PANEL1)
21
Auxiliary Panel Header (AUX_PANEL1)
22
USB 2.0 Header (USB_1_2)
23
Vertical Type A USB 3.2 Gen1 (USB3_7)
24
Front LAN LED Connector (LED_LAN_3_4)
25
SATA3 Connector (SATA6)
26
SATA3 Connector (SATA5)
27
TPM Header (TPM1)
28
Intelligent Platform Management Bus Header (IPMB_1)
29
Speaker Header (SPEAKER1)
30
BMC SMBus Header (BMC_SMB_1)
31
COM Port Header (COM2)
32
M.2 Socket (M2_1) (Type 2242 / 2280 / 22110)
