Dell XPS 16 9640 Owner's Manual page 7

Supports USB4, DisplayPort 2.1, 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: Use the supplied USB Type-C to USB Type A and DisplayPort dongle to connect to 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. Headphone and speaker port
Connect headphones, a headset (headphone and microphone combo), or speakers.
For computers shipped with NVIDIA GeForce RTX 4070 GPUs:
1. microSD-card slot v6.0
The microSD-card slot reads from and writes to the microSD card. The computer supports the following card types:
● Micro Secure Digital (microSD)
● Micro Secure Digital High Capacity (microSDHC)
● Micro Secure Digital Extended Capacity (microSDXC)
2. USB 3.2 Gen 2 (Type-C) port with DisplayPort
Connect devices such as external storage devices, printers, and external displays. Provides data transfer rate of up to 10
Gbps.
Supports DisplayPort 1.4 and also enables you to connect an external display using a display adapter.
NOTE: Use the supplied USB Type-C to USB Type-A and DisplayPort dongle to connect a DisplayPort device.
3. Headphone and speaker port
Connect headphones, a headset (headphone and microphone combo), or speakers.
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