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 3.2 Gen1 Header (USB3_5_6)
6
SATA3 Connector (SATA3_3) (Upper), SATA3 Connector (SATA3_4) (Lower)
7
SATA3 Connector (SATA3_4) (Upper), SATA3 Connector (SATA3_2) (Lower)
8
System Panel Header (PANEL1)
9
Chassis Intrusion and Speaker Header (SPK_CI1)
10
Chassis Fan Connector (CHA_FAN2)
11
USB 2.0 Header (USB_3_4)
12
USB 2.0 Header (USB_5_6)
13
COM Port Header (COM1)
14
Clear CMOS Jumper (CLRCMOS1)
15
Front Panel Audio Header (HD_AUDIO1)
16
SPI TPM Header (SPI_TPM_J1)
17
Chassis Fan Connector (CHA_FAN1)
A520M-HDV
A520M-HVS
3