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Does the 7501's TB3 port support multiple DP streams?
I recently purchased an Inspiron 7501, which i believe has TB3 as part of the USB-C port.
I plan on buying a hub to connect my peripherals, and two monitors. However, i've read that some TB3 ports only support one displayport stream. Does anyone know if the 7501 TB3 port supports two streams? I guess the alternative is to use the USB-C port for one monitor and the HDMI port for the other.
Also, if the TB3 port is limited to one displayport stream, am i right in assuming that means i cant daisy-chain multiple monitors using a USB-C hub monitor?
Many thanks
jphughan
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September 13th, 2020 19:00
@DG1983 To the best of my knowledge, every Dell model that has a Thunderbolt 3 interface has two DP outputs wired to it. Although it's true that TB3 allows the option of only having a single DP interface, I don't think Dell has ever used that design. But in terms of your daisy chain question, you're not quite right, for a few reasons:
jphughan
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September 13th, 2020 21:00
@DG1983 Yes, the CalDigit USB-C Pro Dock supports TB3 if the attached system offers it, and yes you'd be able to run two independent displays. On a Windows system, you'd be able to do that even if your TB3 interface only had a single DisplayPort interface wired to it because you'd be able to use MST (macOS still doesn't support MST), although your display setups would be more limited in that case due to the reduced bandwidth. But with a TB3 interface that has two DisplayPort interfaces, you'd be able to run dual displays up to 4K 60 Hz each. This is explained on CalDigit's product page for that dock.
DG1983
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September 13th, 2020 19:00
Thanks very much.
So can i clarify, if I were to just connect the USB-C/TB3 port to say a Caldigit USB-C Pro hub (which i think also has TB3), then connect to two separate monitors using the displayports in the hub, i would be able to use as two independent external monitors?
Thanks again!
DG1983
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September 14th, 2020 00:00
Fantastic. Thank you very much for the help!