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- HP elitebook 8770w on Advanced Docking Station upgrade to DP...

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03-21-2022 08:04 PM - edited 03-21-2022 08:08 PM
hello, I am using this HP Advanced Docking Station ( product nr. A7E36AA ) with the elitebook workstation 8770w mainly because it supports Displayport outputs with MST, Multi Stream Transport technology, which enables me to use 4 monitors (up to 5 max according to the manual) via only the 2 DP 1.2 outputs on the dock ( i have MST adapters for the 2 extra extended monitors on those ports). According to this HP 8770w manual, eyefinity support with full DP 1.2 ( which is MST inclusive ) is only supported by the AMD firepro m5950 graphicscard in the 8770w. The nvidia cards only support DP 1.1 and thus do not support MST on the advanced docking station.
Now my question is, if i upgrade to the best available firepro M series card available for the 8770w, which is the firepro m6100 ( see list here: https://www.notebookcheck.net/AMD-FirePro-M5950.51673.0.html ), will the advanced docking station still support MST on the displayports, meaning my 4 extended monitors stay working? One can argue the technology compatibility is linked to the amd firepro m series basic infrastructure and so the better m series cards should function the same and support this via the docking station, however i would like if a HP technician knowable on this technical matter could confirm this.
I understand this might not be solvable easily on here, but maybe someone from HP can forward this to a relevant technician who can answer this?
Thanks very much for the help with this!