ASROCK A320M Pro4 Manual page 4

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 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2)
5 RGB LED Header (RGB_HEADER1)
6 AMD Fan LED Header (AMD_FAN_LED1)
7 ATX Power Connector (ATXPWR1)
8 USB 3.0 Header (USB3_3_4)
9 AMD LED Fan USB Header (USB_5)
10 SATA3 Connector (SATA3_3)
11 SATA3 Connector (SATA3_4)
12 SATA3 Connector (SATA3_2)
13 SATA3 Connector (SATA3_1)
14 System Panel Header (PANEL1)
15 Power LED and Speaker Header (SPK_PLED1)
16 Chassis Fan Connector (CHA_FAN2)
17 USB 2.0 Header (USB_2_3)
18 USB 2.0 Header (USB_2_4)
19 Clear CMOS Jumper (CLRCMOS1)
20 COM Port Header (COM1)
21 TPM Header (TPMS1)
22 Front Panel Audio Header (HD_AUDIO1)
23 Chassis Fan Connector (CHA_FAN1)
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