P2720DC, USB Type-C, Daisy Chain resolution, #2

[ivans88]

Hi @heimbe,

I'm also looking for the same setup (P2720DC + P2720D), but didn't get a confirmation if this combo will work. 

The idea is to connect Lenovo Thinkpad T490s (or the upcoming T14s) via USB-C -> USB-C cable to P2720DC and to chain the P2720D via DisplayPort. Also, it would be nice to power the laptop via the same USB-C, but that is not mandatory.

If you figured out something in a meanwhile, I would be very appreciate if you share your findings.

Kind regards,
Ivan

[DELL-Chris M · Accepted solution]

It is confirmed that if the Laptop only requires 45 W or 65 W power, you can do this setup =

Laptop TB/USB Type-C out port --> P2720DC USB Type-C to C cable --> P2720DC USB Type-C in port (Menu- Display- MST On)
P2720DC DP out port --> P2720DC DP to DP cable --> Second monitor DP in port

[Ron Posting]

Hi Chris,

Thanks for the feedback. If the laptop requires > 65W, will the daisy chain setup above still work (with display and USB data connection for keyboard/mouse etc), except the power delivery to the laptop? Or the whole setup will NOT work? Thanks.

[DELL-Chris M]

In that case you would need to also plug the AC power adapter into the Laptop.

[jphughan]

@ivans88  and @Ron Posting  yes a daisy chain setup with these displays will work, but you might want to take a look at the post I just wrote about this setup in this very similar thread.