An email we got from Blackmagic support last week:
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Hi Paulo
We have recently removed the HP Envy 15” notebook from our recommendations, as the model that we tested and certified is now end of life and no longer available. I must be honest in saying it would be very difficult to find one of these systems, and so we decided to remove this from our recommendations.
The other Envy notebooks in the range, as well as the replacement model for the HP Envy 15” are of different specifications and we have not found these suitable for our USB 3.0 products. We are constantly testing newer laptop systems for our USB 3.0 products, and as soon as suitable systems become available we will be posting these online.
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So you see, maybe they should stop selling the box until they have a working solution. For us, all there is to do is play the waiting game.