ASROCK B550D4-4L User Manual page 13

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