Dell Precision 3490 Technical Manualbook page 6
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Also See for Precision 3490:
- Owner's manual (99 pages) ,
- Service manual (96 pages) ,
- Setup and specifications manual (30 pages)
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1. Network port
Connect an Ethernet (RJ45) cable from a router or a broadband modem for network or Internet access, with a transfer rate
of 10/100/1000 Mbps.
2. USB 3.2 Gen 1 port
Connect devices such as external storage devices and printers. Provides data transfer speeds up to 5 Gbps.
3. Thunderbolt 4.0 with DisplayPort Alt Mode/USB Type-C/USB4/Power Delivery
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:
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.
4. Thunderbolt 4.0 with DisplayPort Alt Mode/USB Type-C/USB4/Power Delivery
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:
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.
5. Power and battery-status light
Indicates the power state and battery state of the computer.
Solid white—Power adapter is connected and the battery is charging.
Solid amber—Battery charge is low or critical.
Off—Battery is fully charged.
NOTE:
On certain computer models, the power and battery-status light are also used for diagnostics. For more
information, see the Troubleshooting section in your computer's Service Manual.
6. nano-SIM slot (optional)
Insert a nano-SIM card to connect to a mobile broadband network.
7. Smart-card reader slot (optional)
Using smart card provides authentication in corporate networks.
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