This Anker 4 Port USB 3 Hub is connected to one of the computer’s rear USB 3’s jacks. It does just what it is supposed to do, i.e. providing convenient accessibility for my USB 2 and 3 peripherals. It can also charge devices such as cell phones, although I don’t use it for such.
https://www.amazon.com/Anker-Unibody-Aluminum-Portable-Notebook/dp/B00O0KISQE