it cuts down on the cords needed to be connected to the device itself. And this one in particular is also rather thin. They’re smaller than a regular sized one. has a comprehensive list of what’s tested and works.
Since the entire OS runs off of it, get a fast one.
You don’t need a 2.4Amp one, but I wouldn’t go below 2Amps. The Raspberry Pi 3 needs a hefty power supply to run.Mini 2.4G Wireless Keyboard & Mouse Combo ( eBay).8GB Sandisk Ultra Class 10 MicroSDHC card ( Amazon).Raspberry Pi 3 - Model B - ARMv8 with 1GB of RAM ( Adafruit).You can buy them wherever you buy your daily dose of electronics. I list them because that’s where I got the parts from. Note: I have no affiliation with the listed vendors. I will however link each post back into this one in the correct order, so you’d be able to just click on the link and jump straight to that specific post. I will try to keep things in order but that’s no guarantee. What will follow this post will be a series of steps to go from taking a brand new raspberry Pi 3 out of the box to having MagicMirror² up and running.