ASROCK B550D4M User Manual page 14

No. Description
Front VGA Header (FRNT_VGA1)*
1
System Fan Connector (FAN1)
2
ATX 12V Power Connector (ATX12V1)
3
2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1, Blue)**
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
System Fan Connector (FAN2)
9
SATA3 Connectors (SATA_2)(Upper), (SATA_1)(Lower)
10
SATA3 Connectors (SATA_4)(Upper), (SATA_3)(Lower)
11
System Fan Connector (FAN3)
12
System Fan Connector (FAN5)
13
ATX 4-Pin Power Connector (ATX12V2)
14
System Fan Connector (FAN6)
15
System Fan Connector (FAN4)
16
USB 3.2 Gen1 Header (USB3_5_6)
17
System Panel Header (PANEL1)
18
Auxiliary Panel Header (AUX_PANEL1)
19
USB 2.0 Header (USB_1_2)
20
Vertical Type A USB 3.2 Gen1 (USB3_7)
21
SATA3 Connector (SATA_6)
22
SATA3 Connector (SATA_5)
23
TPM Header (TPM1)
24
Clear CMOS Pad (CLRCMOS1)
25
Intelligent Platform Management Bus Header (IPMB1)
26
BMC SMBus Header (BMC_SMB1)
27
Speaker Header (SPEAKER1)
28
COM Port Header (COM2)
29
M.2 Socket (M2_2) (Type 2242 / 2280 / 22110)
30
Thermal Sensor Header (TR1)
31
PCI Express 4.0(Vermeer/Matisse) / 3.0(Cezanne/Renoir) x8 Slot
32
(PCIE4)
8