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1. Audio connector	Connect headphones with a 3.5-mm (0.14-inch) and 4-pole plug to listen to the sound from the computer. Connect a headset with a 3.5-mm (0.14-inch) and 4-pole plug to listen to the sound from the computer or talk with others. Note: This connector does not support standalone external microphones.
2. SD-card slot	Supported cards: Secure Digital (SD) card Secure Digital eXtended-Capacity (SDXC) UHS-1 card Secure Digital High-Capacity (SDHC) UHS-1 card Note: Your computer does not support the content protection for recordable media (CPRM) feature for the SD card. See Use an SD card or a smart card (for selected models).
3. HDMI™ connector	Connect to a compatible digital audio device or video monitor, such as an HDTV.
4. USB 3.2 connector Gen 1	Connect a USB-compatible device, such as a USB keyboard, USB mouse, USB storage device, or USB printer.
5. Always On USB 3.2 connector Gen 1	With the Always On USB feature enabled, the Always On USB 3.2 connector Gen 1 can charge a USB-compatible device when the computer is on, off, in sleep mode, or in hibernation mode. Note: By default, Always On USB is enabled and Charge in Battery Mode is disabled in UEFI BIOS. When the computer is off or in hibernation mode, and Charge in Battery Mode is disabled in UEFI BIOS, ensure that you have connected the computer to ac power. To enable the Always On USB feature, do the following: Enter the UEFI BIOS menu. See Enter the UEFI BIOS menu. Click Config > USB > Always On USB to enable the Always On USB feature.
6. Ethernet connector	Connect to a local area network (LAN). When the green indicator is on, the computer is connected to a LAN. When the yellow indicator blinks, data is being transmitted.
7. Security-lock slot	Lock your computer to a desk, table, or other fixtures through a compatible security cable lock. See Lock the computer.