Right

1. Smart-card slot*	Use smart cards for authentication, data storage, and application processing. Within large organizations, you might also use smart cards for strong security authentication of single sign-on (SSO). See Use a microSD card or smart card.
2. Always On USB 3.1 connector Gen 1	With the Always On USB feature enabled, the Always On USB 3.1 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.
3. 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.
4. Security-lock slot	Lock your computer to a desk, table, or other fixtures through a compatible security cable lock. See Lock the computer.

* for selected models