I had the original Pro (not the best), Pro4 and now Pro6. If you have a Pro 4 it's probably not worth upgrading as USB-C hasn't been added YET, although the 6 has a newer processor and a few minor upgrades. I only did that because I gave my Pro4 to my wife. I use them for presentations and they are great for trips abroad and transfers. The stand is good and they are strong enough to do more than basic functions. Keep in mind that these are full PCs so obviously they don't get tablet battery life, but a boost of 6 is nice.
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HP Pavilion Gaming Desktop Computer, Ryzen 5 3500 Processor, NVIDIA GTX 1650 4 GB, 8 GB RAM, 512 GB SSD, Windows 10 Home (TG01-0030, Black)
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Notebook DELL G7 17 7790 (1920x1080, Intel Core i5 2.4 GHz, RAM 8 GB, SSD 256 GB, HDD 1000 GB, GeForce GTX 1660 Ti, Win10 Home)
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