This mini Computer is Raspberry pi 3 and is great beacuse he supports more than 30 Operating system like Linux, Ubunut, Android , ...
You can do everything with that like play some small games, make it as you game server for like Minecraft or Websites, ...
But this not only the one, there are many that cost similar and have more power like 2GB of Ram, 4GB of Ram, or A better CPU
like 8x 2GHz CPU.
Here is the ODORID XU4 :
Ther Odorid Xu4 has 2Gbyte LPDDR3 RAM PoP stacked and Samsung Exynos5422 Cortex™-A15 2Ghz and Cortex™-A7 Octa core CPUs (8x 2Ghz). But this Mini Computer supports less than 30 Operaysting System as the Raspberry pi 3.