1. First of all, I am virtually unfamiliar with Mac systems and generally am loathe to provide any suggestion/comment with respect to that system because of my ignorance re that system.
2. But I can confirm that RetiredChief's comments are right on the mark insofar as they pertain to any perceived advantage re speed using a Type-C USB connector.
3. The Samsung T3 device is nothing more than a USB external drive that in practical terms should be designated as a USB 3.0 device. It is, however, designated as a USB 3.1 Gen 1 device. Note the "Gen 1" designation; it's equivalent to what we formerly designated as a USB 3.0 device.
The simple truth is that the nomenclature promulgated for these "USB 3.1" external drives is a disgrace; it...