Summary: Latitude 5175, 5179, 5280, 5480 (U/H UMA), 5580 (U/H UMA), 5285 & 5289 portable systems with USB Type-C ports that lack a Thunderbolt 3 controller.
You may encounter an issue where a Dell Latitude system with a USB Type-C port will not support a connection to a Thunderbolt 3 device (such as a Dell Thunderbolt Dock (TB16). This is a result of either:
Non-Thunderbolt systems should utilize USB Type-C capable docks such as the Dell Business Dock (WD15) or Dell USB Type-C dock (D6000)
While many Dell systems are equipped with a USB Type-C port, many of these systems do not have the optional Thunderbolt 3 controller. These systems will have the USB Type-C port which can be used with Thunderbolt 3 on systems that are so equipped, but USB Type-C is the default port (Without Thunderbolt) for several systems.
Types of USB Type-C ports:
These systems have USB Type-C but DO NOT HAVE Thunderbolt 3 capability:
Here is an example of a USB Type-C system order SKU: 338-BKXK Intel HD Graphics 620 with Displayport over USB Type-C with Core i5 vPro
These systems are compatible with the Dell USB Type-C Dock (WD15)
Systems that have optional Thunderbolt 3 capability will have a USB/Thunderbolt configuration option listed in the BIOS regardless of having a Thunderbolt 3 option installed.
If the system DOES NOT have Thunderbolt 3 capability, the thunderbolt options will be grayed out and cannot be selected in the BIOS. (See figure 1.)
Figure 1. - No Thunderbolt 3 Capability displayed in BIOS
These systems can be configured at the time of purchase with optional Thunderbolt 3 capability:
Thunderbolt 3 is standard on the following systems:
Article ID: SLN305150
Last Date Modified: 11/27/2017 12:05 PM