ASROCK B550M Pro4 - I;O Panel

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8
No. Description
1 8 pin 12V Power Connector (ATX12V1)
2 CPU Fan Connector (CPU_FAN1)
3 CPU/Water Pump Fan Connector (CPU_FAN2/WP)
4 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1)
5 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2)
6 RGB LED Header (RGB_LED1)
7 Addressable LED Header (ADDR_LED1)
8 ATX Power Connector (ATXPWR1)
9 USB 3.2 Gen1 Header (F_USB3_1_2)
10 SATA3 Connector (SATA3_2)
11 SATA3 Connector (SATA3_1)
12 SATA3 Connector (SATA3_4)
13 SATA3 Connector (SATA3_3)
14 SATA3 Connector (SATA3_5)
15 SATA3 Connector (SATA3_6)
16 System Panel Header (PANEL1)
17 Power LED and Speaker Header (SPK_PLED1)
18 USB 3.2 Gen1 Header (F_USB3_3_4)
19 Chassis/Water Pump Fan Connector (CHA_FAN4/WP)
20 Post Status Checker (PSC)
21 SPI TPM Header (SPI_TPM_J1)
22 USB 2.0 Header (USB_3_4)
23 USB 2.0 Header (USB_5_6)
24 Chassis/Water Pump Fan Connector (CHA_FAN2/WP)
25 Chassis/Water Pump Fan Connector (CHA_FAN3/WP)
26 Clear CMOS Jumper (CLRCMOS1)
27 COM Port Header (COM1)
28 Addressable LED Header (ADDR_LED2)
29 RGB LED Header (RGB_LED2)
30 Front Panel Audio Header (HD_AUDIO1)
31 Chassis/Water Pump Fan Connector (CHA_FAN1/WP)