I’ve given the NDU thingy a go, and can report that there’s no change whatsoever. Now, to answer the question on metered network, I have a 1.2 GBPS non-metered connection.
Specs are:
i9-9900k
RTX2080 Ti FTW3 Ultra
64 GB 3600MHz
And here are some screenshots:
Just after takeoff:
1 hour before TOD (7h 30mins already gone by):
Task Manager (1 hour before TOD):