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Latitude 5540 Owner's Manual

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  1. Thunderbolt 4.0 port with Power Delivery and DisplayPort

    Supports USB4, DisplayPort 1.4, Thunderbolt 4 and also enables you to connect to an external display using a display adapter. Provides data transfer rates of up to 40 Gbps for USB4 and Thunderbolt 4.

    NOTE:You can connect a Dell Docking Station to the Thunderbolt 4 ports. For more information, search in the Knowledge Base Resource at www.dell.com/support.
    NOTE: A USB Type-C to DisplayPort adapter (sold separately) is required to connect a DisplayPort device.
    NOTE: USB4 is backward compatible with USB 3.2, USB 2.0, and Thunderbolt 3.
    NOTE: Thunderbolt 4 supports two 4K displays or one 8K display.
  2. Thunderbolt 4.0 port with Power Delivery and DisplayPort

    Supports USB4, DisplayPort 1.4, Thunderbolt 4 and also enables you to connect to an external display using a display adapter. Provides data transfer rates of up to 40 Gbps for USB4 and Thunderbolt 4.

    NOTE:You can connect a Dell Docking Station to the Thunderbolt 4 ports. For more information, search in the Knowledge Base Resource at www.dell.com/support.
    NOTE: A USB Type-C to DisplayPort adapter (sold separately) is required to connect a DisplayPort device.
    NOTE: USB4 is backward compatible with USB 3.2, USB 2.0, and Thunderbolt 3.
    NOTE: Thunderbolt 4 supports two 4K displays or one 8K display.

  3. Battery-status light

    Indicates the battery-charge status.

    Solid yellow—Battery charge is low.

    Blinking yellow—Battery charge is critical.

  4. Smart-card reader slot (optional)

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