There's plenty of things to know before buying your first Raspberry Pi, between what model to buy and the equipment you need ...

Because of the demands of a supercomputer – namely the amount of RAM and pure processing speed – Raspberry Pis and BeagleBones were out of the question. This supercomputer just needed more speed.

But as always there are plenty of would-be competitors snapping at their heels, so [Jeff Geerling] has posed the question of what it takes to make a Raspberry Pi killer. He’s in a good position ...