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July 25th, 2021 07:00
XPS 15 9510, optimal TB4 docking station?
I would like to know if there is a docking station for Thunderbolt 4 as to work with Dell XPS 15 9510? I appreciate an answer. Note that Docking Stations WD 19 TB or WD 19 TBS are designed for Thunderbolt 3.
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jphughan
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July 25th, 2021 09:00
@TonyMarrone Dell doesn't have a TB4 docking station as of this writing, and if your XPS 15 was configured with an NVIDIA GPU, it will be designed for a 130W power source. That is more than the 100W max of the current USB PD spec for devices actually on the market. A recent revision raised the max to 240W, but it will take a while for that to arrive. Dell did something proprietary on some of their systems and docks to run 130W over USB-C/TB, but you won't find that implemented on third-party products. If you use a dock that can't supply 130W, then you'd either need to keep the system's power adapter also connected or else put up with reduced charging speeds and possibly performance throttling as the system attempts to work with an undersized power source. So if you want a dock that is optimal for a 130W-based XPS 15 system and supports TB4, you'll need to wait for Dell to release a TB4 dock.
Out of curiosity, what specific features of TB4 are you trying to obtain?