ASROCK B450M-HDV R4.0 User Manual page 12

No. Description
1 ATX 12V Power Connector (ATX12V1)
2 CPU Fan Connector (CPU_FAN1)
3 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1)
4 ATX Power Connector (ATXPWR1)
5 USB 3.1 Gen1 Header (USB3_5_6)
6 USB 2.0 Header (USB_3_4)
7 USB 2.0 Header (USB_5_6)
8 SATA3 Connector (SATA3_3)
9 SATA3 Connector (SATA3_4)
10 SATA3 Connector (SATA3_1)
11 SATA3 Connector (SATA3_2)
12 System Panel Header (PANEL1)
13 Chassis Intrusion and Speaker Header (SPK_CI1)
14 COM Port Header (COM1)
15 TPM Header (TPMS1)
16 Chassis Fan Connector (CHA_FAN2)
17 Clear CMOS Jumper (CLRCMOS1)
18 Front Panel Audio Header (HD_AUDIO1)
19 Chassis Fan Connector (CHA_FAN1)
B450M-HDV R4.0
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