ASROCK Z270 Killer SLI/ac User Manual page 4

No. Description
1 ATX 12V Power Connector (ATX12V1)
2 2 x 288-pin DDR4 DIMM Slots (DDR4_A1, DDR4_B1)
3 2 x 288-pin DDR4 DIMM Slots (DDR4_A2, DDR4_B2)
4 CPU Fan Connector (CPU_FAN1)
5 ATX Power Connector (ATXPWR1)
6 USB 3.0 Header (USB3_5_6)
7 SATA3 Connectors (SATA_4_5)
8 SATA3 Connectors (SATA_2_3)
9 SATA3 Connectors (SATA_0_1)
10 System Panel Header (PANEL1)
11 Power LED and Speaker Header (SPK_PLED1)
12 Chassis Fan / Waterpump Fan Connector (CHA_FAN3/W_PUMP)
13 Chassis Fan Connector (CHA_FAN1)
14 USB 2.0 Header (USB_1_2)
15 USB 2.0 Header (USB_3_4)
16 Chassis Intrusion Header (CI1)
17 USB 2.0 Header (USB_5)
18 AURA RGB LED Header (RGB_LED)
19 Clear CMOS Jumper (CLRMOS1)
20 Thunderbolt AIC Connector (TB2)
21 TPM Header (TPMS1)
22 COM Port Header (COM1)
23 Front Panel Audio Header (HD_AUDIO1)
24 Thunderbolt AIC Connector (TB1)
25 Chassis Fan Connector (CHA_FAN2)
* The Wireless LAN is supported on Z270 Killer SLI/ac only.
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