HPE ProLiant DL20 Gen10 User Manual page 19

Item Item Description Description
18 Fan connector 3
19 Controller backup power connector for slot 2
20 TPM connector
21 Smart Array modular controller connector (AROC)
22 Internal USB 3.0 connector
1
For more information on the supported riser board slots, see
PCIe riser slot definitions
.
System board components 19