I am looking for a cheap way to utilize USB 3.0 speeds for my external peripherals. The latest Pi 3 model B still has USB 2.0 ports and from what I have read, until USB 3.0 prices fall, it will be a long time until it is natively built into a Pi.
That said, is there a HAT that supports USB 3.0? I understand for traditional motherboards, the motherboard either needs to support USB 3.0, or you need a spare PCI-e slot and a USB 3.0 card.
I do not know much about the GPIO pins or the architecture of the Pi in general. If the Pi is not capable of USB 3.0 speeds, I am open to other cheap alternatives including other single board computers or even other products that have USB 3.0 and can run a basic (command line/ssh) version of Linux.