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Hey guys, I have a Dell Latitude E7450 running on Sierra 10.12.5. First off, I have a question performance wise: I using macOS on it for over a year now and I'm very very happy with the permanence. I can edit video, everything. But lately its feeling kind off slow on some basic tasks like webbrowsing - it is not as snappy as it was. Is that a normal think because the hardware gets older or is it software related? The machine runs on a i7-5600U and 12GB of RAM. The next question is related to docking: Is it possible to use the Computer with the WiGig Docking Station from Dell? The WLD15 for example? Or if not: I have a standard port replicator station at home but monitor (DVI, DISPLAYPORT) does not work. Is there a way to fix that ? Then, and that is the most important one: Is there a way to use LTE? I use this machine for web design and now I have to hotspot to it from my iPhone all the time when I'm showing clients websites. Before I installed macOS is came with a LTE-Card installed and it worked fine in Windows 7. After installing macOS I sold that card because it was not compatible anymore. Now I read on the board that there are people who have a LTE card in their laptops with macOS. What card should I buy to get the latest 4G LTE compatibility on macOS Sierra on my E7450? Thanks so far...