No. Description
1 ATX 12V Power Connector (ATX12V1)
2 CPU Fan Connector (CPU_FAN1)
3 2 x 240-pin DDR3 DIMM Slots (DDR3_A1, DDR3_B1)
4 TPM Header (TPMS1)
5 ATX Power Connector (ATXPWR1)
6 USB 3.0 Header (USB_11_12)
7 SATA3 Connector (SATA_2)
8 SATA3 Connector (SATA_4)
9 SATA3 Connector (SATA_3)
10 SATA3 Connector (SATA_1)
11 Chassis Speaker Header (SPEAKER1)
12 System Panel Header (PANEL1)
13 USB 2.0 Header (USB_9_10)
14 USB 2.0 Header (USB_7_8)
15 Chassis Fan Connector (CHA_FAN1)
16 Clear CMOS Jumper (CLRCMOS1)
17 Print Port Header (LPT1)
18 COM Port Header (COM1)
19 Chassis Intrusion Header (CI1)
20 Front Panel Audio Header (HD_AUDIO1)
21 Power Fan Connector (PWR_FAN1)