ASROCK H310M-STX Manual page 5

No. Description
1 CPU Fan Connector (CPU_FAN2)
2 2 x 260-pin DDR4 SO-DIMM Slots (DDR4_A1, DDR4_B1)
3 CPU Fan Connector (CPU_FAN1)
4 MONO Speaker Header (SPEAKER1)
5 USB 2.0 Header (USB_5_6)
6 COM Port Header (COM1) (for H310M-STX/COM only)
7 System Panel Header (PANEL1)
8 Audio Header (AUDIO3)
9 Chassis Intrusion Header (CI1)
10 SATA3 Connector (SATA1)
11 SATA3 Connector (SATA2)
12 Clear CMOS Pad
13 SD Card Slot
H310M-STX / H310M-STX/COM
3