Asus Z270-WS, Manual, Page: 59 / 112

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2.3 Motherboard rear and audio connections
2.3.1 Rear I/O connection
Rear panel connectors
1.
DisplayPort 7. HDMI port
2.
USB 2.0 ports 7-10 8. USB 3.1 Type-C port EC2
3. USB BIOS Flashback button 9. USB 3.0 ports 3 and 4
4. USB 3.1 Type-A port EA2 10. USB 3.0 ports 5 and 6
5.
Intel ® LAN port 1* 11. Optical S/PDIF Out port
6.
Intel ® LAN port 2* 12. Audio I/O ports**
* and ** : Refer to the tables on the next page for LAN port LEDs and audio port definitions.
USB 3.1/3.0 devices can only be used as data storage only.
We strongly recommend that you connect your devices to ports with matching data
transfer rate. Please connect your USB 3.0 devices to USB 3.0 ports and your USB
3.1 devices to USB 3.1 ports for faster and better performance for your devices.